WTF Fun Fact – Five-hundred-meter Aperture Spherical Radio Telescope
China has built the world’s largest single-dish radio observatory (FAST) at a cost of $171 million. The telescope, also known … Read More & Source
telescope
WTF Fun Fact – Viking Crystal
High quality lenses made of rock-crystal were found among Viking artifacts. They are so well-made that they could be used … Read More & Source