How does drafting work? Listen as Lance Armstrong tells Neil deGrasse Tyson what the optimal conditions are for drafting in a bicycle race. If you like this StarTalk SoundBite, be sure to listen to the full Playing With Science episode "Extended Classic: The Physics of the Tour de France" at https://soundcloud.com/startalk_playing-with-science/extended-classic-the-physics-of-the-tour-de-france

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