The question is: Which way is up? In this hypnotic animated version of Dutch artist M.C. Escherās lithograph print, āRelativityā, made in 1953. It imagines a surreal architecture in which the normal tenets of gravity donāt seem to apply. š½: pixel8studio
NASA's Perseverance rover continuously explores Mars, sending back incredibly detailed images of the rocks, terrain, and landscape of a world located millions of miles away from Earth
1st-century automatic temple doors operated by a hidden fire-powered hydraulic system designed by Hero of Alexandria. Proof that automation existed 2,000 years ago: how ancient engineers built pneumatic automatic doors using fire and hydraulics