StarTram Generation 2 launching a spacecraft, a megastructure with an elevated launch tube 22 kilometers above sea level.June 21, 2024
A vision of a 1975 car appeared in the June 1940 issue of Popular Science, predicting autonomous vehicles nearly 80 years before they became reality. The idea of atomic-powered cars was less accurate, but drawing power from a road-based grid is now being explored.June 11, 2024
