What Are Gravitational Waves? — Part 2

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

The STEM Chicksmas Day Two: Expanding Universe

The STEM Chicksmas Nobel Prize 2011 Physics

For the 12 Days of “The STEM Chicksmas” Day Two, we're featuring the crazy discovery of the universe's accelerating expansion due to mysterious "dark energy" from the 2011 Nobel Prize in Physics by Saul Perlmutter, Brian Schmidt, and Adam Riess!