What are UFOs? What are the chances that aliens have visited the Earth? Why should we bother talking about it? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTub ...Show more
AaS! 282: What Happens When You Shine a Light on Nothing?
How does the vacuum interact with light? Is it possible to use light to create something from nothing? And is "birefringence" a real word? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskA ...Show more
The moon race is back! Countries — and billionaires — are lining up to take a crack at returning to the moon. But why are we really going? Some say this is a lunar gold rush, that countries want to mine the moon for resources. Others are saying the real reason to go to the moon t ...Show more