space
An Earth-Sized Space Shield to Protect Us From Solar Storms Is Less Crazy Than It Sounds

Every 100 years or so, our Sun gives off a great big belch that sends an intense wave of charged particles towards Earth. This wasn’t a problem in the past, but our high-tech civilisation is now disturbingly vulnerable to these solar storms. A new study quantifies the economic risks posed by these extreme solar storms, while also proposing a super-futuristic solution to the problem: an Earth-sized shield built in outer space. Read More >>

artificial intelligence
These 23 Principles Could Help Us Avoid an AI Apocalypse

Science fiction author Isaac Asimov famously predicted that we’ll one day have to program robots with a set of laws that protect us from our mechanical creations. But before we get there, we need rules to ensure that, at the most fundamental level, we’re developing AI responsibly and safely. At a recent gathering, a group of experts did just that, coming up with 23 principles to steer the development of AI in a positive direction—and to ensure it doesn’t destroy us. Read More >>