A new Popular Science/InnoCentive challenge is live, and if you can divine a better way to test the toughness of hermetically sealed, sterile containers, the "Seeker" for this challenge is willing to pay up to $7,000 for it. To sweeten the deal, the Seeker--the people looking for the answer to this question--will consider further collaboration with the winner. If you think you've got an idea, the deadline is August 20. Read more about it here.
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.