'It could illuminate an area the size of a football stadium': How Russia launched a giant space mirror in 1993
The Znamya project had the potential to change the world. The BBC's Tomorrow's World reported on an experiment that was ...
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A 13-year-old built a 'death ray' using a 2,000-year-old concept from Greek inventor Archimedes
In his scaled-down model, Sener used heating lamps to represent the sun. Small concave mirrors reflected the light onto a piece of cardboard with an "X" marking the target. "It was just a smaller ...
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13-year-old has eureka moment with science project that suggests Archimedes’ invention was plausible
In Sener’s attempt at the ray, he set up a heating lamp facing four small concave mirrors, each tilted to direct light at a piece of cardboard with an X marked at the focal point. In this ...