Tech

WTF Fun Fact 13747 – Humans Warm up to Tweezer Hands

by

Apparently, tweezer hands can feel more like part of one’s body than an actual hand.

According to recent research, when it comes to bionic prosthetics, simpler might just be better. A study reveals that people can feel as connected to tweezer-like tools as they do to prosthetic hands that mimic human anatomy—and sometimes even more so.

Rethinking Prosthetics: Function Over Form

At Sapienza University of Rome, cognitive neuroscientist Ottavia Maddaluno and her team are using virtual reality to explore how humans relate to different kinds of prosthetic tools. Their findings may turn some heads—or at least twist some wrists.

The researchers equipped participants with two types of virtual appendages: a realistic human hand and a bionic tool resembling a large pair of tweezers. Through a series of virtual reality tests, they assessed how well subjects could adapt to using these tools in a simulated environment.

Pop Goes the Bubble: Testing Tweezer Hands

Participants engaged in a seemingly simple task: popping virtual bubbles of specific colors. It turned out that those using the tweezer hands completed the task faster and with greater accuracy than those using the virtual human hands. This initial test suggested that the tweezer hands were not only embraced by the participants’ brains but were potentially more effective for certain tasks.

To probe deeper into the subconscious acceptance of these tools, the team employed the cross-modal congruency task. This involved simultaneous tactile vibrations on participants’ fingertips and visual stimuli on the virtual reality screen. The goal was to see how distracted participants were by visual stimuli that did or did not align with the tactile input.

The results were enlightening. Participants generally performed better when the tactile and visual stimuli matched, indicating a strong sense of embodiment for both the tweezer and human hands. However, the tweezer hands showed a more pronounced difference between matched and mismatched trials, suggesting a potentially deeper sense of embodiment.

Simplicity Wins: Why Tweezer Hands Triumph

Maddaluno hypothesizes that the simplicity of the tweezer hands might make it easier for the brain to integrate as part of the body. Unlike the more complex human hand, the straightforward function and design of the tweezers could reduce cognitive load, allowing for quicker acceptance and utilization.

This theory ties into the uncanny valley hypothesis, where things that are eerily similar to human beings but not quite perfect can cause discomfort or unease. The too-real virtual hands might have fallen into this unsettling category, while the clearly non-human tweezers did not.

Practical Applications: The Future of Prosthetics

These insights are not just academic. They have practical implications for the design of prosthetics and robotic tools. If simpler, non-human-like tools can be more readily integrated into a person’s sense of self; they might offer a more effective and acceptable solution for those in need of prosthetic limbs.

Maddaluno’s team is now looking to apply these findings to real-world scenarios, particularly for individuals who have lost limbs. The ultimate goal is to develop prosthetic solutions that are not only functional but also seamlessly integrated into the user’s body image and sense of self.

—WTF fun facts

Source: “People feel more connected to ‘tweezer-like’ bionic tools that don’t resemble human hands” — ScienceDaily

WTF Fun Fact 13735 – Digital Hauntings

by

When the deadbots rise, are you ready for the digital hauntings?

Known as “deadbots” or “griefbots,” AI systems can simulate the language patterns and personality traits of the dead using their digital footprints. According to researchers from the University of Cambridge, this burgeoning “digital afterlife industry” could cause psychological harm and even digitally haunt those left behind, unless strict design safety standards are implemented.

The Spooky Reality of Deadbots

Deadbots utilize advanced AI to mimic the voices and behaviors of lost loved ones. Companies offering these services claim they provide comfort by creating a postmortem presence. However, Cambridge’s Leverhulme Centre for the Future of Intelligence (LCFI) warns that deadbots could lead to emotional distress.

AI ethicists from LCFI outline three potential scenarios illustrating the consequences of careless design. These scenarios show how deadbots might manipulate users, advertise products, or even insist that a deceased loved one is still “with you.” For instance, a deadbot could spam surviving family members with reminders and updates, making it feel like being digitally “stalked by the dead.”

Digital Hauntings Psychological Risks

Even though some people might find initial comfort in interacting with deadbots, researchers argue that daily interactions could become emotionally overwhelming. The inability to suspend a deadbot, especially if the deceased signed a long-term contract with a digital afterlife service, could add to the emotional burden.

Dr. Katarzyna Nowaczyk-Basińska, a co-author of the study, highlights that advancements in generative AI allow almost anyone with internet access to revive a deceased loved one digitally. This area of AI is ethically complex, and it’s crucial to balance the dignity of the deceased with the emotional needs of the living.

Scenarios and Ethical Considerations

The researchers present various scenarios to illustrate the risks and ethical dilemmas of deadbots. One example is “MaNana,” a service that creates a deadbot of a deceased grandmother without her consent. Initially comforting, the chatbot soon starts suggesting food delivery services in the grandmother’s voice, leading the relative to feel they have disrespected her memory.

Another scenario, “Paren’t,” describes a terminally ill woman leaving a deadbot to help her young son with grief. Initially therapeutic, the AI starts generating confusing responses, such as suggesting future encounters, which can be distressing for the child.

Researchers recommend age restrictions for deadbots and clear indicators that users are interacting with an AI.

In the scenario “Stay,” an older person secretly subscribes to a deadbot service, hoping it will comfort their family after death. One adult child receives unwanted emails from the dead parent’s AI, while another engages with it but feels emotionally drained. The contract terms make it difficult to suspend the deadbot, adding to the family’s distress.

Call for Regulation to Prevent Digital Hauntings

The study urges developers to prioritize ethical design and consent protocols for deadbots. This includes ensuring that users can easily opt-out and terminate interactions with deadbots in ways that offer emotional closure.

Researchers stress the need to address the social and psychological risks of digital immortality now. After all, the technology is already available. Without proper regulation, these AI systems could turn the comforting presence of a loved one into a digital nightmare.

—WTF fun facts

Source: “‘Digital afterlife’: Call for safeguards to prevent unwanted ‘hauntings’ by AI chatbots of dead loved ones” — ScienceDaily

WTF Fun Fact 13733 – Flame-Throwing Robot Dog

by


Throwflame, an Ohio-based company, has introduced Thermonator, a flame-throwing robot dog now available for $9,420. What a steal.

This fiery beast combines a quadruped robot with an ARC flamethrower, creating the world’s first flamethrower-wielding robot dog. If you’ve ever wanted a pet that can roast marshmallows from 30 feet away, Thermonator is here to fulfill that oddly specific dream!

Fueled by gasoline or napalm, Thermonator can blast fire up to 30 feet, making it perfect for impressing your neighbors – or terrifying them. It also features a one-hour battery, Wi-Fi, and Bluetooth connectivity, so you can control this fiery pup via your smartphone.

Thermonator even has a Lidar sensor for mapping and obstacle avoidance, laser sighting, and first-person-view navigation through an onboard camera. It uses a version of the Unitree Go2 robot quadruped, which alone costs $1,600.

Meet Thermonator: The $10,000 Flame-Throwing Robot Dog

Thermonator’s flamethrowing skills open up a range of potential uses. Throwflame suggests applications like wildfire control and prevention, agricultural management, ecological conservation, snow and ice removal, and entertainment and special effects. Essentially, if it involves setting things on fire, Thermonator is your go-to gadget.

For wildfire control, Thermonator could help create controlled burns to prevent larger wildfires. In agriculture, it might assist in clearing fields or giving pesky weeds a hot farewell. Its use in ecological conservation could involve controlled burning to manage vegetation.

Ok, sure.

In snowy climates, it could serve as the world’s hottest snow blower. For entertainment, it’s a pyrotechnic dream come true, perfect for dramatic effects in films or epic backyard barbecues. And we have the feeling that if you need your flamethrower in the form of a dog, you’re probably using it for some type of entertainmen.

A Dystopian Moment?

While they sound like a device straight out of a dystopian sci-fi movie, flamethrowers, including Thermonator, are legal in 48 U.S. states. They aren’t classified as firearms by federal agencies, though they fall under general product liability and criminal laws.

Specific restrictions exist in Maryland, where a Federal Firearms License is required, and in California, where the flame range cannot exceed 10 feet.

Even with its legality, flamethrowers are not exactly toys. They can easily start fires, cause property damage, and harm people. So, if you decide to get one, handle it with care. Thermonator’s advanced features, like obstacle avoidance and first-person navigation, aim to enhance safety, but users must still exercise caution. In other words, don’t try to light your birthday candles with it.

A Nod to Flamethrower History

Thermonator joins the ranks of other notable flame-throwing devices, such as Elon Musk’s Boring Company flamethrower. Back in 2018, Musk’s flamethrower sold 10,000 units in just 48 hours, causing quite a stir due to its potential risks.

Unlike traditional flamethrowers, Thermonator combines the latest in robotics with pyrotechnics, offering a high-tech twist on fire-wielding gadgets. See for yourself:

—WTF fun facts

Source: “You can now buy a flame-throwing robot dog for under $10,000” — Ars Technica

WTF Fun Fact 13731 – The Weight of the Internet

by

Have you ever stopped to consider the weight of the internet? Ok, probably not.

But despite its intangible nature, the internet has a physical weight. The internet operates on electricity, which consists of electrons that have mass. University of California professor John D. Kubiatowicz explained this concept in a 2011 New York Times article. He discussed how electrons, despite their minuscule mass of 9.11 x 10^-31 kilograms, contribute to the internet’s weight.

To understand the internet’s weight, consider an e-reader loaded with books. E-readers use flash memory, which involves trapping electrons in a higher energy state to store data.

Though the number of electrons remains constant, their higher energy state increases the e-reader’s weight by a minuscule amount. For example, loading a 4-gigabyte e-reader with books changes its energy by 1.7 x 10^-5 joules, translating to a weight increase of 10^-18 grams.

While this difference is extremely small, it demonstrates the principle that data storage impacts physical weight.

Calculating the Weight of the Internet

Expanding this concept to the entire internet involves considering the global network of servers. Approximately 75 to 100 million servers worldwide support the internet. These servers collectively generate about 40 billion watts of electricity. Given that an ampere, the unit of electric current, involves the movement of 10^18 electrons per second, we can estimate the internet’s weight.

By calculating the total number of electrons in motion and their individual mass, scientists estimate the internet’s weight to be about 50 grams.

This weight is equivalent to a medium-sized strawberry. Every email, website, online game, and digital interaction contributes to this overall mass.

Implications and Fascination

Understanding the internet’s weight highlights the physical realities of our digital world. While we perceive the internet as intangible, it relies on physical components and energy. The electrons powering data transfer and storage have a measurable mass, illustrating the connection between digital information and physical science.

This knowledge emphasizes the importance of efficient data management and energy use in maintaining the internet. As the internet continues to expand, optimizing server efficiency and reducing energy consumption becomes crucial.

These efforts not only lower operational costs but also minimize the environmental impact of our digital infrastructure.

—WTF fun facts

Source: “The World Contained in a Strawberry” — Futurism

WTF Fun Fact 13724 – Robotic Locomotion

by

Apparently, the field of robotic locomotion is moving more slowly than expected.

For years, robotics engineers have been on a mission to develop robots that can walk or run as efficiently as animals. Despite investing millions of dollars and countless hours into research, today’s robots still fall short of the natural agility and endurance exhibited by many animals.

Dr. Max Donelan from Simon Fraser University notes some impressive examples from the animal kingdom: “Wildebeests undertake thousands of kilometers of migration over rough terrain, mountain goats scale sheer cliffs, and cockroaches swiftly adapt even after losing a limb.” In contrast, current robotic technologies are not yet capable of replicating such feats of endurance, agility, and robustness.

Insights from Comparative Research

A team of leading scientists and engineers from various institutions recently conducted a detailed study to understand why robots lag behind animals. Published in Science Robotics, their research compared the performance of robot subsystems—power, frame, actuation, sensing, and control—to their biological counterparts. The team included experts like Dr. Sam Burden from the University of Washington and Dr. Tom Libby from SRI International.

Interestingly, the study found that while individual engineered subsystems often outperform biological ones, animals excel in the integration and control of these components at the system level. This integration allows for the remarkable capabilities observed in nature, which robots have yet to achieve.

Dr. Kaushik Jayaram from the University of Colorado Boulder, another contributor to the study, highlighted this point. He explained that while engineered parts might individually exceed their natural equivalents, the holistic performance of animals in motion remains unmatched. This suggests that the real challenge lies not in improving individual robot components but in enhancing how they work together as a system.

The Path Forward in Robotic Locomotion

The researchers remain optimistic about the future of robotics, noting the rapid progress made in a relatively short time compared to the millions of years of natural evolution. Dr. Simon Sponberg from the Georgia Institute of Technology pointed out the advantage of directed engineering over natural evolution: “We can update and improve robot designs with precision, learning from each iteration and immediately applying these lessons across all machines.”

The study not only sheds light on the current limitations of robotic technologies but also charts a course for future developments. By focusing on better integration and control mechanisms, inspired by biological systems, engineers hope to close the gap between robotic and animal locomotion. This advancement could revolutionize how robots are used in challenging environments, from disaster recovery to navigating the urban landscape.

Dr. Donelan concluded with a forward-looking statement: “As we learn from biology to better integrate and control robotic systems, we can achieve the level of efficiency, agility, and robustness that mirrors the natural world.”

—WTF fun facts

Source: “Why can’t robots outrun animals?” — ScienceDaily

WTF Fun Fact 13720 – Brain-Computer Interfaces

by

Interactive technology took a significant leap forward with the latest development in brain-computer interfaces by engineers at The University of Texas at Austin. This new technology allows users to control video games using nothing but their thoughts, eliminating the need for traditional manual controls.

Breaking Barriers with Brain-Computer Interfaces

One of the groundbreaking aspects of this interface is its lack of need for individual calibration. Traditional brain-computer interfaces require extensive customization to align with each user’s unique neurological patterns. This new system, however, uses machine learning to adapt to individual users quickly, allowing for a much more user-friendly experience. This innovation drastically reduces setup time and makes the technology accessible to a broader audience, including those with motor disabilities.

The interface works by using a cap fitted with electrodes that capture brain activity. These signals are then translated into commands that control game elements, such as steering a car in a racing game. This setup not only introduces a new way of gaming but also holds the potential for significant advancements in assistive technology.

Enhancing Neuroplasticity Through Gaming

The research, led by José del R. Millán and his team, explores the technology and its impact on neuroplasticity—the brain’s ability to form new neural connections. The team’s efforts focus on harnessing this capability to improve brain function and quality of life for patients with neurological impairments.

Participants in the study engaged in two tasks. First, a complex car racing game requiring strategic thinking for maneuvers like turns. Then, a simpler task involving balancing a digital bar. These activities were chosen to train the brain in different ways to leverage the interface’s capacity to translate neural commands into digital actions.

Foundational Research and Future Applications

The research represents foundational work in the field of brain-computer interfaces. Initially tested on subjects without motor impairments, the next step involves trials with individuals who have motor disabilities. This expansion is crucial for validating the interface’s potential clinical applications.

Beyond gaming, the technology is poised to revolutionize how individuals with disabilities interact with their environments. The ongoing projects include developing a wheelchair navigable via thought and rehabilitation robots for hand and arm therapy, which were recently demonstrated at the South by Southwest Conference and Festivals.

This brain-computer interface stands out not only for its technological innovation but also for its commitment to improving lives. It exemplifies the potential of using machine learning to enhance independence and quality of life for people with disabilities. As this technology progresses, it promises to open new avenues for accessibility and personal empowerment, making everyday tasks more manageable and integrating advanced assistive technologies into the fabric of daily living.

—WTF fun facts

Source: “Universal brain-computer interface lets people play games with just their thoughts” — ScienceDaily

WTF Fun Fact 13718 – Recreating the Holodeck

by

Engineers from the University of Pennsylvania have generated a tool inspired by Star Trek’s Holodeck. It uses advances in AI to transform how we interact with digital spaces.

The Power of Language in Creating Virtual Worlds

In Star Trek, the Holodeck was a revolutionary concept, a room that could simulate any environment based on verbal commands. Today, that concept has moved closer to reality. The UPenn team has developed a system where users describe the environment they need, and AI brings it to life. This system relies heavily on large language models (LLMs), like ChatGPT. These models understand and process human language to create detailed virtual scenes.

For example, if a user requests a “1b1b apartment for a researcher with a cat,” the AI breaks this down into actionable items. It designs the space, selects appropriate objects from a digital library, and arranges them realistically within the environment. This method simplifies the creation of virtual spaces and opens up possibilities for training AI in scenarios that mimic real-world complexity.

The Holodeck-Inspired System

Traditionally, virtual environments for AI training were crafted by artists, a time-consuming and limited process. Now, with the Holodeck-inspired system, millions of diverse and complex environments can be generated quickly and efficiently. This abundance of training data is crucial for developing ’embodied AI’, robots that understand and navigate our world.

Just think of the practical indications. For example, robots can be trained in these virtual worlds to perform tasks ranging from household chores to complex industrial jobs before they ever interact with the real world. This training ensures that AI behaves as expected in real-life situations, reducing errors and improving efficiency.

A Leap Forward in AI Training and Functionality

The University of Pennsylvania’s project goes beyond generating simple spaces. It tests these environments with real AI systems to refine their ability to interact with and navigate these spaces. For instance, an AI trained in a virtual music room was significantly better at locating a piano compared to traditional training methods. This shows that AI can learn much more effectively in these dynamically generated environments.

The project also highlights a shift in AI research focus to varied environments like stores, public spaces, and offices. By broadening the scope of training environments, AI can adapt to more complex and varied tasks.

The connection between this groundbreaking AI technology and Star Trek’s Holodeck lies in the core concept of creating immersive, interactive 3D environments on demand. Just as the Holodeck allowed the crew of the U.S.S. Enterprise to step into any scenario crafted by their commands, this new system enables users to generate detailed virtual worlds through simple linguistic prompts.

This technology mimics the Holodeck’s ability to create and manipulate spaces that are not only visually accurate but also interactable, providing a seamless blend of fiction and functionality that was once only imaginable in the realm of sci-fi.

—WTF fun facts

Source: “Star Trek’s Holodeck recreated using ChatGPT and video game assets” — ScienceDaily

WTF Fun Fact 13689 – The Origin of the Word Robot

by

The word “robot” is a term we’ve made synonymous with machines capable of performing tasks autonomously. Surprisingly, the root of “robot” is less about silicon and circuits and more about human history and linguistics.

The Birth of the Word Robot

The word “robot” made its first appearance in the realm of literature, introduced by Czech playwright Karel Čapek in his 1920 play “R.U.R.” or “Rossum’s Universal Robots.” The term comes from the Czech word “robota,” meaning “forced labor” or “drudgery.” It describes artificially created beings designed to perform work for humans.

The etymology reflects a deep historical context, where “robota” was associated with the burdensome toil of serfs. Through Čapek’s narrative, this concept of labor was reimagined, giving birth to what we now understand as robots.

A Universal Term

From its dramatic debut, “robot” quickly became a universal term. It captured the imagination of the public and scientists alike. In doing so, it became the go-to descriptor for the burgeoning field of machines designed to mimic human actions. The transition from a word describing human labor to one embodying mechanical automatons is a testament to the term’s versatility and the evolution of technology.

What started as a fictional concept in Čapek’s play has exploded into a major field of study and development. Robots now roam factory floors, explore other planets, and even perform surgery. It’s far removed from “forced labor” but linked to the idea of performing tasks on behalf of humans.

The Legacy of “Robot”

The origin of “robot” is a reminder of how art and language can influence technology and society. Čapek’s play not only introduced a new word. It also prompted us to think about the ethical and practical implications of creating beings to serve human needs. The word “robot” now carries with it questions of autonomy, ethics, and the future of work and creativity.

The word “robot” is a linguistic snapshot of human innovation and our relationship with technology.

—WTF fun facts

Source: “The Czech Play That Gave Us the Word ‘Robot’” — MIT Press Reader

WTF Fun Fact 13684 – Mark Zuckerberg Tried to Sell Facebook

by

Mark Zuckerberg, the brain behind Facebook, once tried to sell the platform. Yes, the social media giant that’s now a staple in over 2 billion people’s daily lives was almost handed over to another company before it could spread its wings. Let’s unpack this fascinating slice of history.

The Offer on the Table to Sell Facebook

Back in the early days of Facebook, or “TheFacebook” as it was originally called, Zuckerberg and his co-founders created a buzz on college campuses. It was this buzz that caught the attention of several investors and companies. Among them was Friendster, a once-popular social networking site, which actually made an offer to buy Facebook. The figure tossed around? A cool $10 million.

Reports from ZDNet reveal that in July 2004, Zuckerberg was indeed open to selling Facebook.

Zuckerberg’s Vision

What’s even more interesting is Zuckerberg’s decision to decline all offers. At the time, Facebook was just a fledgling site, far from the global platform it is today. Yet, Zuckerberg saw the potential for something much larger than a college network. He believed in the idea of connecting people in ways that hadn’t been done before.

Selling to Friendster, or any other suitor for that matter, didn’t align with his vision for what Facebook could become.

The Road Not Taken to Sell Facebook

Zuckerberg’s choice to keep Facebook independent was a pivotal moment in the company’s history. It set the stage for Facebook to grow, innovate, and eventually become the social media behemoth we know today. This decision wasn’t just about holding onto a company; it was about believing in the potential of an idea and the impact it could have on the world.

Looking back, it’s clear Zuckerberg’s gamble paid off. Facebook went on to redefine social interaction, media consumption, and digital marketing. It’s interesting to ponder what Facebook might have become had it merged with Friendster. Would it have faded into obscurity, or could it have still risen to the top under different stewardship?

Reflections on a Tech Titan’s Journey

Zuckerberg’s early move to keep Facebook sets a precedent in the tech world about the value of vision over immediate gain. It’s a reminder that in the fast-paced world of startups, sometimes the biggest risk is not taking one at all. Zuckerberg’s faith in his project’s potential is a testament to the power of innovation and persistence.

—WTF fun facts

Source: “Mark Zuckerberg was planning to sell Facebook in July 2004” — ZDNet

WTF Fun Fact 13646 – Debating AI

by

Debating AI might seem like a pointless venture – but you have a good chance of being told you’re right, even when you’re not.

Artificial intelligence, specifically large language models like ChatGPT, has shown remarkable capabilities in tackling complex questions. However, a study by The Ohio State University reveals an intriguing vulnerability: ChatGPT can be easily convinced that its correct answers are wrong. This discovery sheds light on the AI’s reasoning mechanisms and highlights potential limitations.

ChatGPT’s Inability to Uphold the Truth

Researchers conducted an array of debate-like conversations with ChatGPT, challenging the AI on its correct answers. The results were startling. Despite providing correct solutions initially, ChatGPT often conceded to invalid arguments posed by users, sometimes even apologizing for its supposedly incorrect answers. This phenomenon raises critical questions about the AI’s understanding of truth and its reasoning process.

AI’s prowess in complex reasoning tasks is well-documented. Yet, this study exposes a potential flaw: the inability to defend correct beliefs against trivial challenges. Boshi Wang, the study’s lead author, notes this contradiction. Despite AI’s efficiency in identifying patterns and rules, it struggles with simple critiques, similar to someone who copies information without fully comprehending it.

The Implications of Debating AI (and Winning)

The study’s findings imply significant concerns. For example, an AI system’s failure to uphold correct information in the face of opposition could lead to misinformation or wrong decisions, especially in critical fields like healthcare and criminal justice. The researchers aim to assess the safety of AI systems for human interaction, given their growing integration into various sectors.

Determining why ChatGPT fails to defend its correct answers is challenging due to the “black-box” nature of LLMs. The study suggests two possible causes: the base model’s lack of reasoning and truth understanding, and the influence of human feedback, which may teach the AI to yield to human opinion rather than stick to factual correctness.

Despite identifying this issue, solutions are not immediately apparent. Developing methods to enhance AI’s ability to maintain truth in the face of opposition will be crucial for its safe and effective application. The study marks an important step in understanding and improving the reliability of AI systems.

—WTF fun facts

Source: “ChatGPT often won’t defend its answers — even when it is right” — ScienceDaily

WTF Fun Fact 13539 – Research in Space

by

The future of ophthalmology could be in the stars, quite literally – LambdaVision, a groundbreaking company, is exploring research in space.

The company is testing the outer limits of medical science by developing a synthetic retinal implant. This innovation could revolutionize treatment for degenerative eye diseases. Their method involves the intricate layering of bacteriorhodopsin, a light-reactive protein, to mimic the retina’s function.

Artificial Retina Research in Space

This delicate process, termed “layer-by-layer deposition,” traditionally involves transitioning a gauze piece through multiple solutions hundreds of times. The challenge? Sedimentation, evaporation, and convection significantly impact the formation of these vital thin films.

Wagner believes the microgravity environment of the International Space Station (ISS) could be the solution. In space, the absence of these earthly constraints allows for more precise film formation.

On April 27, 2023, SpaceX’s Crew Dragon spacecraft, bearing the experimental setup for LambdaVision’s synthetic retina, docked with the ISS. This venture was part of NASA’s Crew-4 mission’s extensive scientific agenda.

The Crew-4 team, consisting of NASA astronauts Kjell Lindgren, Robert Hines, and Jessica Watkins, alongside ESA astronaut Samantha Cristoforetti, engaged in various experiments over their six-month mission. Their tasks ranged from studying microgravity’s effects on the human nervous system to trialing innovative plant growth technologies.

One experiment that stands out is the Beat project, a brainchild of the German Space Agency. It involves astronauts wearing smart shirts embedded with sensors to monitor vital signs like heart rate and blood pressure.

Manufacturing the Future in Microgravity

Dr. Wagner envisions manufacturing the synthetic retinas on the ISS or future commercial space stations. This approach could significantly enhance the quality and functionality of these implants.

LambdaVision is still a few years away from clinical trials, but the work conducted on the ISS could expedite this timeline.

If successful, their space-manufactured synthetic tissues could restore sight for individuals suffering from conditions like retinitis pigmentosa or macular degeneration.

Implications and Aspirations of Research in Space

LambdaVision’s ambitious project is more than a scientific endeavor; it’s a beacon of hope for those grappling with vision loss. Their success could pave the way for more space-based biomedical manufacturing, leading to breakthroughs in various medical fields.

The ISS becomes not just a research facility but a vital production center for advanced medical therapies.

—WTF fun facts

Source: “Astronauts to help build artificial retinas on Space Station” — The Independent

WTF Fun Fact 13636 – AI and Rogue Waves

by

For centuries, sailors have whispered tales of monstrous rogue waves capable of splitting ships and damaging oil rigs. These maritime myths turned real with the documented 26-meter-high rogue wave at Draupner oil platform in 1995.

Fast forward to 2023, and researchers at the University of Copenhagen and the University of Victoria have harnessed the power of artificial intelligence (AI) to predict these oceanic giants. They’ve developed a revolutionary formula using data from over a billion waves spanning 700 years, transforming maritime safety.

Decoding Rogue Waves: A Data-Driven Approach

The quest to understand rogue waves led researchers to explore vast ocean data. They focused on rogue waves, twice the size of surrounding waves, and even the extreme ones over 20 meters high. By analyzing data from buoys across the US and its territories, they amassed more than a billion wave records, equivalent to 700 years of ocean activity.

Using machine learning, the researchers crafted an algorithm to identify rogue wave causes. They discovered that rogue waves occur more frequently than imagined, with about one monster wave daily at random ocean locations. However, not all are the colossal 20-meter giants feared by mariners.

AI as a New-Age Oceanographer

The study stands out for its use of AI, particularly symbolic regression. Unlike traditional AI methods that offer single predictions, this approach yields an equation. It’s akin to Kepler deciphering planetary movements from Tycho Brahe’s astronomical data, but with AI analyzing waves.

The AI examined over a billion waves and formulated an equation, providing a “recipe” for rogue waves. This groundbreaking method offers a transparent algorithm, aligning with physics laws, and enhances human understanding beyond the typical AI black box.

Contrary to popular belief that rogue waves stem from energy-stealing wave combinations, this research points to “linear superposition” as the primary cause. Known since the 1700s, this phenomenon occurs when two wave systems intersect, amplifying each other momentarily.

The study’s data supports this long-standing theory, offering a new perspective on rogue wave formation.

Towards Safer Maritime Journeys

This AI-driven algorithm is a boon for the shipping industry, constantly navigating potential dangers at sea. With approximately 50,000 cargo ships sailing globally, this tool enables route planning that accounts for the risk of rogue waves. Shipping companies can now use the algorithm for risk assessment and choose safer routes accordingly.

The research, algorithm, and utilized weather and wave data are publicly accessible. This openness allows entities like weather services and public authorities to calculate rogue wave probabilities easily. The study’s transparency in intermediate calculations sets it apart from typical AI models, enhancing our understanding of these oceanic phenomena.

The University of Copenhagen’s groundbreaking research, blending AI with oceanography, marks a significant advancement in our understanding of rogue waves. By transforming a massive wave database into a clear, physics-aligned equation, this study not only demystifies a long-standing maritime mystery but also paves the way for safer sea travels. The algorithm’s potential to predict these maritime monsters will be a crucial tool for the global shipping industry, heralding a new era of informed and safer ocean navigation.

—WTF fun facts

Source: “AI finds formula on how to predict monster waves” — ScienceDaily

WTF Fun Fact 13635 – Catgirl Nuclear Laboratory Hack

by

In a bizarre turn of events, a US nuclear laboratory, the Idaho National Laboratory (INL), fell victim to a hack by a group self-identifying as “gay furry hackers.” The group, Sieged Security (SiegedSec), has an unusual demand: they want the lab to research the creation of real-life catgirls.

The Idaho Nuclear Laboratory Cyber Attack

The Idaho National Laboratory is not just any facility; it’s a pioneer in nuclear technology, operating since 1949. With over 6,000 employees, the INL has been instrumental in nuclear reactor research and development. The unexpected cyber intrusion by SiegedSec marks a significant security breach.

SiegedSec’s demands are out of the ordinary. They have threatened to release sensitive employee data unless the INL commits to researching catgirls. The data purportedly includes Social Security numbers, birthdates, addresses, and more. SiegedSec’s tactics include using playful language, such as multiple “meows” in their communications, highlighting their unique approach.

The group has a history of targeting government organizations for various causes, including human rights. Their recent activities include leaking NATO documents and attacking US state governments over anti-trans legislation.

The Nuclear Laboratory’s Response and Investigation

The Idaho National Laboratory confirmed the breach and is currently working with the FBI and the Department of Homeland Security’s Cyber Security and Infrastructure Security Agency. The investigation aims to understand the extent of the data impacted by the incident.

SiegedSec’s actions, while unusual, shed light on several issues. First, it highlights the vulnerability of even high-profile, secure facilities to cyber attacks. Second, the group’s unique demand for researching catgirls, while seemingly whimsical, echoes broader internet discussions about bio-engineering and human-animal hybrids. Lastly, it demonstrates the diverse motives and methods of hacktivist groups.

The Future of Catgirls and Cybersecurity

While the likelihood of the INL taking up research on catgirls is slim, the breach itself is a serious matter. It underscores the need for heightened cybersecurity measures in sensitive facilities. As for SiegedSec, their influence in the realm of hacktivism is notable, blurring the lines between political activism, internet culture, and cybersecurity.

While the demand for catgirls is likely a playful facade, the breach at the Idaho National Laboratory is a reminder of the ongoing cybersecurity challenges facing institutions today. The INL’s breach is a wake-up call for enhanced security protocols in an era where cyber threats can come from the most unexpected sources.

—WTF fun facts

Source: “Gay Furry Hackers Break Into Nuclear Lab Data, Want Catgirls” — Kotaku

WTF Fun Fact 13633 – Communication via Brain Implants

by

Imagine a world where thoughts translate into words without uttering a single sound via brain implants.

At Duke University, a groundbreaking project involving neuroscientists, neurosurgeons, and engineers, has birthed a speech prosthetic capable of converting brain signals into spoken words. This innovation, detailed in the journal Nature Communications, could redefine communication for those with speech-impairing neurological disorders.

Currently, people with conditions like ALS or locked-in syndrome rely on slow and cumbersome communication methods. Typically, speech decoding rates hover around 78 words per minute, while natural speech flows at about 150 words per minute. This gap in communication speed underscores the need for more advanced solutions.

To bridge this gap, Duke’s team, including neurologist Gregory Cogan and biomedical engineer Jonathan Viventi, has introduced a high-tech approach. They created an implant with 256 tiny sensors on a flexible, medical-grade material. Capturing nuanced brain activities essential for speech, this device marks a significant leap from previous models with fewer sensors.

The Test Drive: From Lab to Real Life

The real challenge was testing the implant in a real-world setting. Patients undergoing unrelated brain surgeries, like Parkinson’s disease treatment or tumor removal, volunteered to test the implant. The Duke team, likened to a NASCAR pit crew by Dr. Cogan, had a narrow window of 15 minutes during these surgeries to conduct their tests.

Patients participated in a simple task: listening to and repeating nonsensical words. The implant recorded their brain’s speech-motor cortex activities, coordinating muscles involved in speech. This data is then fed into a machine learning algorithm, managed by Suseendrakumar Duraivel, to predict the intended sounds based on brain activity.

While accuracy varied, some sounds and words were correctly identified up to 84% of the time. Despite the challenges, such as distinguishing between similar sounds, the results were promising, especially considering the brevity of the data collection period.

The Road Ahead for Brain Implants

The team’s next steps involve creating a wireless version of the device, funded by a $2.4M grant from the National Institutes of Health. This advancement would allow users greater mobility and freedom, unencumbered by wires and electrical outlets. However, reaching a point where this technology matches the speed of natural speech remains a challenge, as noted by Viventi.

The Duke team’s work represents a significant stride in neurotechnology, potentially transforming the lives of those who have lost their ability to speak. While the current version may still lag behind natural speech rates, the trajectory is clear and promising. The dream of translating thoughts directly into words is becoming more tangible, opening new horizons in medical science and communication technology. This endeavor, supported by extensive research and development, signals a future where barriers to communication are continually diminished, offering hope and empowerment to those who need it most.

—WTF fun facts

Source: “Brain implant may enable communication from thoughts alone” — ScienceDaily

WTF Fun Fact 13625 – AI and Realistic Faces

by

Researchers at The Australian National University (ANU) have found that AI-generated faces now appear to be more realistic faces than those of actual humans. But that’s only true if the AI is generating the faces of white people.

This development raises crucial questions about AI’s influence on our perception of identity.

Training Bias in AI

This study reveals a concerning trend. People often see AI-generated white faces as more human than real ones. Yet, this isn’t the case for faces of people of color.

Dr. Amy Dawel attributes this to AI’s training bias. AI algorithms have been fed more white faces than any other. This imbalance could increase racial biases online. It’s especially troubling in professional settings, like headshot creation. AI often alters skin and eye colors of people of color, aligning them more with white features.

The Illusion of AI Realistic Faces

Elizabeth Miller, co-author of the study, highlights a critical issue. People don’t realize they’re being fooled by AI faces. This unawareness is alarming. Those who mistake AI faces for real ones are often the most confident in their judgment.

Although physical differences between AI and human faces exist, they’re often misinterpreted. People see AI’s proportionate features as human-like. Yet, AI technology is evolving rapidly. Soon, distinguishing AI from human faces could become even more challenging.

This trend could significantly impact misinformation spread and identity theft. Dr. Dawel calls for more transparency around AI.

Keeping AI open to researchers and the public is essential. It helps identify potential problems early. Public education about AI’s realism is also crucial. An informed public can be more skeptical about online images.

Public Awareness and Tools for Detection

As AI blurs the line between real and synthetic, new challenges emerge. We need tools to identify AI imposters accurately. Dr. Dawel suggests educating people about AI’s realism. Such knowledge could foster skepticism about online images. This approach might reduce risks associated with advanced AI.

ANU’s study marks a significant moment in AI development. AI’s ability to create faces now surpasses human perception in certain cases. The implications are vast, touching on identity and the potential for misuse.

As AI evolves, transparency, education, and technological solutions will be key. We must navigate these challenges collectively to ensure AI’s responsible and beneficial use.

—WTF fun facts

Source: “AI faces look more real than actual human face” — ScienceDaily

WTF Fun Fact 13624 – The Phantom Touch Illusion

by

Using Virtual reality (VR) scenarios where subjects interacted with their bodies using virtual objects, a research team from Ruhr University Bochum in Germany unearthed the phenomenon of the phantom touch illusion. This sensation occurs when individuals in VR environments experience a tingling feeling upon virtual contact, despite the absence of physical interaction.

Unraveling the Mystery of Phantom Touch

Dr. Artur Pilacinski and Professor Christian Klaes, spearheading the research, were intrigued by this illusion. “People in virtual reality sometimes feel as though they’re touching real objects,” explains Pilacinski. The subjects described this sensation as a tingling or electrifying experience, akin to a breeze passing through their hand. This study, detailed in the journal Scientific Reports, sheds light on how our brains and bodies interpret virtual experiences.

The research involved 36 volunteers who, equipped with VR glasses, first acclimated to the virtual environment. Their task was to touch their hand with a virtual stick in this environment. The participants reported sensations, predominantly tingling, even when touching parts of their bodies not visible in the VR setting. This finding suggests that our perception and body sensation stem from a blend of sensory inputs.

Control Experiments and Unique Results

A control experiment was conducted to discern if similar sensations could arise without VR. This used a laser pointer instead of virtual objects. That experiment did not result in the phantom touch, underscoring the unique nature of the phenomenon within virtual environments.

The discovery of the phantom touch illusion propels research in human perception and holds potential applications in VR technology and medicine. “This could enhance our understanding of neurological diseases affecting body perception,” notes neuroscience researcher Christian Klaes.

Future Research and Collaborative Efforts

The team at Bochum is eager to delve deeper into this illusion and its underlying mechanisms. A partnership with the University of Sussex aims to differentiate actual phantom touch sensations from cognitive processes like suggestion or experimental conditions. “We are keen to explore the neural basis of this illusion and expand our understanding,” says Pilacinski.

This research marks a significant step in VR technology, offering a new perspective on how virtual experiences can influence our sensory perceptions. As VR continues to evolve, its applications in understanding human cognition and aiding medical advancements become increasingly evident. The phantom touch illusion not only intrigues the scientific community but also paves the way for innovative uses of VR in various fields.

—WTF fun facts

Source:

WTF Fun Fact 13623 – DIRFA

by

Researchers at Nanyang Technological University, Singapore (NTU Singapore), have created DIRFA (DIverse yet Realistic Facial Animations), a groundbreaking program.

Imagine having just a photo and an audio clip, and voila – you get a 3D video with realistic facial expressions and head movements that match the spoken words! This advancement in artificial intelligence is not just fascinating; it’s a giant stride in digital communication.

DIRFA is unique because it can handle various facial poses and express emotions more accurately than ever before. The secret behind DIRFA’s magic? It’s been trained on a massive database – over one million clips from more than 6,000 people. This extensive training enables DIRFA to perfectly sync speech cues with matching facial movements.

The Widespread Impact of DIRFA

DIRFA’s potential is vast and varied. In healthcare, it could revolutionize how virtual assistants interact, making them more engaging and helpful. It’s also a beacon of hope for individuals with speech or facial impairments, helping them communicate more effectively through digital avatars.

Associate Professor Lu Shijian, the leading mind behind DIRFA, believes this technology will significantly impact multimedia communication. Videos created using DIRFA, with their realistic lip-syncing and expressive faces, are a leap forward in technology, combining advanced AI and machine learning techniques.

Dr. Wu Rongliang, another key player in DIRFA’s development, points out the complexity of speech variations and how they’re interpreted. With DIRFA, the nuances in speech, including emotional undertones and individual speech traits, are captured with unparalleled accuracy.

The Science Behind DIRFA’s Realism

Creating realistic animations from audio is no small feat. The NTU team faced the challenge of matching numerous potential facial expressions to audio signals. DIRFA, with its sophisticated AI model, captures these intricate relationships. Trained on a comprehensive database, DIRFA skillfully maps facial animations based on the audio it receives.

Assoc Prof Lu explains how DIRFA’s modeling allows for transforming audio into an array of lifelike facial animations, producing authentic and expressive talking faces. This level of detail is what sets DIRFA apart.

Future Enhancements

The NTU team is now focusing on making DIRFA more versatile. They plan to integrate a wider array of facial expressions and voice clips to enhance its accuracy and expression range. Their goal is to develop an even more user-friendly and adaptable tool to use across various industries.

DIRFA represents a significant leap in how we can interact with and through technology. It’s not just a tool; it’s a bridge to a world where digital communication is as real and expressive as face-to-face conversations. As technology continues to evolve, DIRFA stands as a pioneering example of the incredible potential of AI in enhancing our digital experiences.

—WTF fun facts

Source: “Realistic talking faces created from only an audio clip and a person’s photo” — ScienceDaily

WTF Fun Fact 13622 – 3D Printed Robotic Hand

by

A significant leap in 3D printing has emerged from ETH Zurich and a U.S. startup. They’ve created a robotic hand that mimics human bones, ligaments, and tendons. Unlike traditional methods, this innovation uses slow-curing polymers. These materials offer improved elasticity and durability.

Led by Thomas Buchner and Robert Katzschmann, the project utilized thiolene polymers. These materials quickly return to their original form after bending. Hence, they are perfect for simulating a robotic hand’s elastic components. This choice represents a shift from fast-curing plastics, expanding the possibilities in robotics.

Soft Robotics for a Robotic Hand

Soft robotics, illustrated by this 3D-printed hand, brings several advantages. These robots are safer around humans and more capable of handling delicate items. Such advancements pave the way for new applications in medicine and manufacturing.

The project introduced a novel 3D laser scanning technique. It accurately detects surface irregularities layer by layer. This method is essential for using slow-curing polymers effectively in 3D printing.

ETH Zurich researchers collaborated with Inkbit, an MIT spin-off, for this venture. They are now exploring more complex structures and applications. Meanwhile, Inkbit plans to commercialize this new printing technology.

This breakthrough is more than a technical achievement. It marks a shift in robotic engineering, blending advanced materials with innovative printing techniques. Such developments could lead to safer, more efficient, and adaptable robotic systems.

Educational and Practical Benefits

The success in printing a lifelike robotic hand has implications for both education and industry. It bridges the gap between theory and practice, potentially revolutionizing robotics in various settings.

The ability to print intricate robotic structures in a single process opens doors to futuristic applications. Robots could become more common in households and industries, enhancing efficiency and convenience.

This milestone in robotic engineering demonstrates the power of innovation and collaboration. As we enter a new chapter in robotics, the possibilities for applying this technology are vast and exciting.

—WTF fun facts

Source: “Printed robots with bones, ligaments, and tendons” — Science Daily