On this week's Tuesdays With Bill, Rachel, a Columbia University student, asks two questions for the price of one: What would happen if a human being went the speed of light, and why don't we just eject our trash into outer space?<br /><br />Do you want to ask Bill a question for a future "Tuesdays with Bill?" Click here to learn how to submit: (http://goo.gl/Joiqzo).<br /><br />Read more at BigThink.com: http://bigthink.com/videos/traveling-at-the-speed-of-light-and-space-trash<br /><br />Follow Big Think here:<br />YouTube: http://goo.gl/CPTsV5<br />Facebook: https://www.facebook.com/BigThinkdotcom<br />Twitter: https://twitter.com/bigthink
