As ocean temperatures rise, coral reefs worldwide are experiencing bleaching. But what exactly is a coral reef, and why should we care what happens to them?
The second and final part of our series on LIGO explores how the interferometer at LIGO works and how we can use it to listen in on the universe. http://www.youtube.com/watch?v=vMKPOJxHpcY Written by Jessica Karch Animated and Illustrated by Maxine Nelson Narrated by Ciara McGovern Special thanks to Brian Dawes Music Credit: "New Sound" from Bensound.com
