Neil deGrasse Tyson Explains How Ion Drives Work

How do Ion Drives work? Find out, as astrophysicist Neil deGrasse Tyson answers a fan's Cosmic Query and explains what ion propulsion is, and how ion drives function differently than chemical rockets. Neil discusses the benefits and drawbacks of each, prompting comic co-host Eugene Mirman to wonder if ion drives can be weaponized? If you love StarTalk Radio, don't miss out on any StarTalk news. Sign up for our free newsletter: http://www.startalkradio.net/newslett... Catch up with StarTalk Radio around the web: iTunes - http://bit.ly/SOHDg6 SoundCloud -   / startalk   Stitcher - http://www.stitcher.com/podcast/startalk Twitter - https://twitter.com/#!/StarTalkRadio Facebook -   / startalkradio   Google+ - http://goo.gl/ZP59S Pinterest -   / startalk   Tumblr -   / startalkradio   Instagram -   / startalkradio