Earth’s magnetic field has long been framed as a planetary force field, a protective bubble that keeps the worst of the Sun’s radiation at bay. Increasingly, though, scientists are finding that this ...

"...a personal field ... as portrayed in many science fiction movies and comic books, that is invisible to the naked eye—that will take some doing." Reading time 5 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The best armor, if it could be devised, would weigh absolutely ...