Prepping isn’t just a hobby for Tim Ralston, he’s launching a business with his survival inventions. One of his inventions, the Crovel, is 13 survival tools in one and has been dubbed the "Swiss Army knife of shovels." Mr. Ralston is featured in the new National Geographic Channel 10-part series, Doomsday Preppers that delves into the lives of otherwise ordinary Americans who are preparing for the end of the world as we know it.
Astronomer Seth Shostak discussed his continued work in the Search for Extraterrestrial Intelligence (SETI), the nature of possible alien life forms, and various astronomy topics. First hour guest, Tim Ralston, who's featured in the new TV series, Doomsday Preppers, talked about possible scenarios in which parts of the US could get knocked off the grid ... More »Host: George Noory