Science Podcasts

Ask the Naked Scientists episode

Fri, 20th Aug 2010

GPS, Floating Bridges and Explosions in Space!

How did we measure geographic distances before GPS? And how do GPS satellites do it now? Would floating bridges help in Pakistan? We'll tackle all of these questions this week, as well as finding out if ice would melt in space and if all the alcohol evaporates if you use it in cooking. Plus, whether explosions in space just keep going...

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