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21 YoYo Powered iPhone Charger? Hank Green 18649
22 Self-Powered Light Switch Has No Wires Hank Green 44321
23 2 Million New Jobs by 2010 with Green Investment Jaymi Heimbuch 18190
24 Green Competition is a Good Thing Jaymi Heimbuch 16187
25 Cool Revolving Door Concept for Powering Up Jaymi Heimbuch 16948
26 Terasen Trying to Power Homes with Human Poo Peg Fong 19412
27 Capturing the Power of viagra low price Trillions of Footfalls Raegan Payne 67871
28 Strap-on Kinetic Charger Dances Away Dead Batteries Jaymi Heimbuch 29833
29 Running America on Liposuctioned Fat Hank Green 17250
30 Spinnaker’s Steps May Generate Power from Your Footfall Jaymi Heimbuch 18372
31 Old-Fashioned Hand Crank Powers New-Fangled Gadgets Jaymi Heimbuch 25768
32 Bike Trees Save Space and Keep Bikes Safe Hank Green 18299
33 Cheap Electric Bike Saves Cash...But at What Cost Peg Fong 30283
34 Electro-SeeSaw Harnesses World's Most Energetic Thing Zach Yakush and Hank Green 24337
35 Solar Bicycle Boat Built for Four Hank Green 23316
36 50 Miles Per Burrito: Is the Body the Most Efficient Vehicle? Hank Green 49783
37 Carectomy Week in Review Joshua Liberles 18702
38 Carectomy Week in Review Joshua Liberles 17662
39 Gravia Floor Lamp: Human Powered, Never Burns Out Hank Green 24857
40 Revolution Door Captures Human Power Hank Green 22657
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