How does laser cooling work?

Laser hair removal video: https://youtu.be/S20-1_XqVPM Veritasium: http://youtube.com/veritasium 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. Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2 Creator: Dianna Cowern Writer: Sophia Chen Animations: Kyle Norby http://physicsgirl.org/ http://twitter.com/thephysicsgirl http://facebook.com/thephysicsgirl http://instagram.com/thephysicsgirl More resources: https://www.youtube.com/watch?v=j2Bpz... Stock visuals: Pixabay.com and shutterstock.com Music: APM and YouTube Laser Cooling animation: NOVA Animations: Kyle Norby