Season 2 - Episode 6 - The Radio
Educational series presented by Tim Hunkin and Rex Garrod.
Find out more here: http://www.exploratorium.edu/ronh/SLOM/
Here:http://timhunkin.com/
And here: http://www.secretlifeofmachines.com/
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https://www.youtube.com/watch?v=cC7Hx3NUppM