Mulugeta Bekele is almost single-handedly responsible for having kept Ethiopian physics going in the 1970s and 1980s despite being imprisoned and tortured by the Ethiopian military. Robert P Crease ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Many philosophers and scientists ...

Morphing into other people may still be within the realms of sci-fi and mythology, but the first prototypes of certain illusion cloaks are starting to appear.