Bill Nye The Science Guy
You have to use at least two pulleys to reduce a pulling force?
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Epsiode Guide


Consider the Following Videos

Check out these new videos. I made them for the Exploravision awards, a scholarship competition I’ve been involved with for 12 years or so. You sent in questions on the Toshiba USA facebook page. The crew and I did our best to answer them. Click on ‘em, and turn the sound up loud! They’re fun. Later on, check out: