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21 YoYo Powered iPhone Charger? Hank Green 18252
22 Self-Powered Light Switch Has No Wires Hank Green 41353
23 2 Million New Jobs by 2010 with Green Investment Jaymi Heimbuch 17906
24 Green Competition is a Good Thing Jaymi Heimbuch 15944
25 Cool Revolving Door Concept for Powering Up Jaymi Heimbuch 16611
26 Terasen Trying to Power Homes with Human Poo Peg Fong 19089
27 Capturing the Power of viagra low price Trillions of Footfalls Raegan Payne 65716
28 Strap-on Kinetic Charger Dances Away Dead Batteries Jaymi Heimbuch 29019
29 Running America on Liposuctioned Fat Hank Green 16877
30 Spinnaker’s Steps May Generate Power from Your Footfall Jaymi Heimbuch 18145
31 Old-Fashioned Hand Crank Powers New-Fangled Gadgets Jaymi Heimbuch 24831
32 Bike Trees Save Space and Keep Bikes Safe Hank Green 18067
33 Cheap Electric Bike Saves Cash...But at What Cost Peg Fong 29988
34 Electro-SeeSaw Harnesses World's Most Energetic Thing Zach Yakush and Hank Green 23847
35 Solar Bicycle Boat Built for Four Hank Green 22874
36 50 Miles Per Burrito: Is the Body the Most Efficient Vehicle? Hank Green 48015
37 Carectomy Week in Review Joshua Liberles 18448
38 Carectomy Week in Review Joshua Liberles 17407
39 Gravia Floor Lamp: Human Powered, Never Burns Out Hank Green 24369
40 Revolution Door Captures Human Power Hank Green 22315
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