A toolbox that works like a Rolodex, a saw powered like a motorcycle and more. Our friends at toolmonger.com round up the whole collection here.
Check out the previous roundups at popsci.com/toolmonger. And for all tools, all the time, head over to toolmonger.com.
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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