What does it mean to be ‘quantum’? A physicist explains the basics behind Einstein’s spooky actions at a distance
Rescuing satellites is harder than it looks – a growing space junk problem will make doing so more important
Read More 5 minute read Space Space rocks and asteroid dust are pricey, but these aren’t the most expensive materials used in science Meteorites can get pricey, but they’re not the most expensive material. AP Photo/Thibault Camus Chris Impey, University of… byChris ImpeyNovember 9, 2023