If you’ve been looking for a portable soldering iron, modPRO has a battery-operated model that might be able to handle your remote soldering chores. Although this Chinese product could be difficult to locate, its 3-AA battery power source could warm you up to the task of finding a dealer. The suggested retail price is approximately $50 USD.
(Image: modPRO)
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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