PhysicsWe may finally know what causes will-o’-the-wisps Mysterious flashes of light seen in swamps and bogs could be caused by burning methane or other gases, ignited by sparks that fly between bubbles in water ¿ìè¶ÌÊÓÆµ
PhysicsMaking atoms self-magnify reveals their quantum wave functions Trapping ultracold atoms with laser light let researchers magnify and then image the wave functions of atoms that were previously too close together to look like anything but a blob ¿ìè¶ÌÊÓÆµ