Nicholas R. Longrich, University of Bath For the first few million years of human evolution, technologies changed slowly. Some three million years ago, our ancestors were making chipped stone flakes and crude choppers. Two million years ago, hand-axes. A million … Continue reading How a handful of prehistoric geniuses launched humanity’s technological revolution
Gail Iles, RMIT University A NASA spacecraft the size of a golf cart has been directed to smash into an asteroid, with the intention of knocking it slightly off course. The test aims to demonstrate our technological readiness in case … Continue reading Could we really deflect an asteroid heading for Earth? An expert explains NASA’s latest DART mission
A giant space rock demolished an ancient Middle Eastern city and everyone in it – possibly inspiring the Biblical story of Sodom Christopher R. Moore, University of South Carolina As the inhabitants of an ancient Middle Eastern city now called Tall el-Hammam went about their daily business one day about 3,600 years ago, they had no idea an unseen icy space rock was speeding toward them at about 38,000 mph (61,000 kph). Flashing through the atmosphere, the rock exploded in a massive fireball about 2.5 miles (4 kilometers) above the ground. The blast was around 1,000 times more powerful than the … Continue reading Giant Ice Rock Exploded Over Sodom 3,600 Years Ago
Mohammed Abbasi 