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21 YoYo Powered iPhone Charger? Hank Green 18248
22 Self-Powered Light Switch Has No Wires Hank Green 41342
23 2 Million New Jobs by 2010 with Green Investment Jaymi Heimbuch 17905
24 Green Competition is a Good Thing Jaymi Heimbuch 15942
25 Cool Revolving Door Concept for Powering Up Jaymi Heimbuch 16609
26 Terasen Trying to Power Homes with Human Poo Peg Fong 19088
27 Capturing the Power of viagra low price Trillions of Footfalls Raegan Payne 65698
28 Strap-on Kinetic Charger Dances Away Dead Batteries Jaymi Heimbuch 29006
29 Running America on Liposuctioned Fat Hank Green 16870
30 Spinnaker’s Steps May Generate Power from Your Footfall Jaymi Heimbuch 18143
31 Old-Fashioned Hand Crank Powers New-Fangled Gadgets Jaymi Heimbuch 24823
32 Bike Trees Save Space and Keep Bikes Safe Hank Green 18063
33 Cheap Electric Bike Saves Cash...But at What Cost Peg Fong 29985
34 Electro-SeeSaw Harnesses World's Most Energetic Thing Zach Yakush and Hank Green 23842
35 Solar Bicycle Boat Built for Four Hank Green 22867
36 50 Miles Per Burrito: Is the Body the Most Efficient Vehicle? Hank Green 48010
37 Carectomy Week in Review Joshua Liberles 18445
38 Carectomy Week in Review Joshua Liberles 17404
39 Gravia Floor Lamp: Human Powered, Never Burns Out Hank Green 24366
40 Revolution Door Captures Human Power Hank Green 22314
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