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21 YoYo Powered iPhone Charger? Hank Green 18401
22 Self-Powered Light Switch Has No Wires Hank Green 41901
23 2 Million New Jobs by 2010 with Green Investment Jaymi Heimbuch 18004
24 Green Competition is a Good Thing Jaymi Heimbuch 16027
25 Cool Revolving Door Concept for Powering Up Jaymi Heimbuch 16729
26 Terasen Trying to Power Homes with Human Poo Peg Fong 19199
27 Capturing the Power of viagra low price Trillions of Footfalls Raegan Payne 66605
28 Strap-on Kinetic Charger Dances Away Dead Batteries Jaymi Heimbuch 29462
29 Running America on Liposuctioned Fat Hank Green 17059
30 Spinnaker’s Steps May Generate Power from Your Footfall Jaymi Heimbuch 18214
31 Old-Fashioned Hand Crank Powers New-Fangled Gadgets Jaymi Heimbuch 25193
32 Bike Trees Save Space and Keep Bikes Safe Hank Green 18137
33 Cheap Electric Bike Saves Cash...But at What Cost Peg Fong 30084
34 Electro-SeeSaw Harnesses World's Most Energetic Thing Zach Yakush and Hank Green 24019
35 Solar Bicycle Boat Built for Four Hank Green 23018
36 50 Miles Per Burrito: Is the Body the Most Efficient Vehicle? Hank Green 48306
37 Carectomy Week in Review Joshua Liberles 18533
38 Carectomy Week in Review Joshua Liberles 17490
39 Gravia Floor Lamp: Human Powered, Never Burns Out Hank Green 24541
40 Revolution Door Captures Human Power Hank Green 22425
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