TechnologyUS Air Force plane navigates by tiny changes in Earth's magnetic field The US Air Force will conduct a test flight of an aircraft outfitted with a system that uses Earth’s magnetic fields to help navigate and is more difficult to interfere with than GPS 51¶¯Âþ
TechnologyIn Silico review: The ambitious project to recreate the human brainIn Silico doesn't look slick, but it is a sharply scripted documentary about an ambitious, billion-euro project to model the intricacies of the human brain – and in just 10 years, says Simon IngsCulture