ALL CHARGED UP Ash particles generated lightning storms when Mount Rinjani erupted in Indonesia in 1995. Oliver Spalt/Wikimedia Commons
It’s the ultimate love-at-first-sight story: In the middle of the desert, hundreds of miles from anything else, lonely sand grains meet up in a crowd and decide to electrify each other.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
