This week's most-read articles on PopSci.com

Propeller motion charges the batteries:  John B. Carnett

Almost a dozen creative ways your digital camera can help you guard against theft, fraud, and moving violations

The first fully electric plane is silent, and impressively cheap to fly

Five Facebook games that our "Playing Around" columnist deems fantastic

Chatting with the man who wants to be your your next-door neighbor on Mars

And hey, Stuart Fox is still wondering, where are those genetically engineered flying robot butlers we were promised?

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June 2013: American Energy Independence

Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


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Kelsey D. Atherton | Email
Francie Diep | Email
Shaunacy Ferro | Email

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