How can light be used to cool atoms and molecules ? Lasers are known to burn things, fix eyes, and dance on powerpoint presentations. But they can also be used to cool objects to some of the coldest temperatures in the universe.
Creator: Dianna Cowern
Animations: Kyle Norby
In August 2006, the crew of the yacht Maiken, sailing out of the Vava’u island group, encountered a remarkable “stone sea.” The phenomena they spotted were a series of pumice rafts resulting from a nearby eruption, one that was forming a new volcanic island in Tonga. Read more…
This video is part of an excellent series of videos produced by the DO-IT program at the University of Washington to make science more accessible for students with disabilities. Check out some of their other video resources at