This floating light bulb completely exceeded expectations with a mesmerizing levitation effect that looks almost impossible.

Levitation has long been a staple of magic tricks and movies. But in the lab, it's no trick. Scientists can levitate droplets of liquid, though mixing them and observing the reactions has been ...

Levitating droplets of acidic and basic solutions (left) merge into a larger droplet (right), in which carbon dioxide bubbles form as a product of the reaction. Image may only be used with appropriate ...