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21 YoYo Powered iPhone Charger? Hank Green 18273
22 Self-Powered Light Switch Has No Wires Hank Green 41449
23 2 Million New Jobs by 2010 with Green Investment Jaymi Heimbuch 17922
24 Green Competition is a Good Thing Jaymi Heimbuch 15960
25 Cool Revolving Door Concept for Powering Up Jaymi Heimbuch 16629
26 Terasen Trying to Power Homes with Human Poo Peg Fong 19114
27 Capturing the Power of viagra low price Trillions of Footfalls Raegan Payne 65882
28 Strap-on Kinetic Charger Dances Away Dead Batteries Jaymi Heimbuch 29118
29 Running America on Liposuctioned Fat Hank Green 16915
30 Spinnaker’s Steps May Generate Power from Your Footfall Jaymi Heimbuch 18161
31 Old-Fashioned Hand Crank Powers New-Fangled Gadgets Jaymi Heimbuch 24888
32 Bike Trees Save Space and Keep Bikes Safe Hank Green 18084
33 Cheap Electric Bike Saves Cash...But at What Cost Peg Fong 30006
34 Electro-SeeSaw Harnesses World's Most Energetic Thing Zach Yakush and Hank Green 23874
35 Solar Bicycle Boat Built for Four Hank Green 22893
36 50 Miles Per Burrito: Is the Body the Most Efficient Vehicle? Hank Green 48074
37 Carectomy Week in Review Joshua Liberles 18465
38 Carectomy Week in Review Joshua Liberles 17424
39 Gravia Floor Lamp: Human Powered, Never Burns Out Hank Green 24406
40 Revolution Door Captures Human Power Hank Green 22339
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