By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.
You have the maximum of 100 videos in My List.
We can remove the first video in the list to add this one.
Season 1 Episode 21 | 5m 27s
| Video has closed captioning.
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.
