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Founded in 1872, Popular Science is the world’s largest science and technology magazine, with 6.7 million readers. Each month, Popular Science reports on the intersection of science and everyday life, delivering a new look at the future now. It’s the ultimate guide to what’s new and what’s next. Popular Science is one of the oldest continuously published magazines in the United States, and is published in five languages and nine countries. Its web site, popsci.com, has been readers’ first stop for up-to-the-minute science news since the site first went live in 1999.
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Tip 232: Hack an Emergency USB Charger
On the lam without your car charger? Splice some wires and be on your way.
STEP 1 Cut the USB end off the cable for your device and strip the insulation. You’ll use the black and red wires to connect to the adapter. Twist together the other two wires.
STEP 2 Cut off the end of the cigarette lighter adapter that does not plug into the cigarette lighter. Use the knife to strip the insulation to reveal the black and red wires.
STEP 3 Twist the two red wires together and the two black wires together. Wrap tape around the joints to insulate them.
STEP 4 Plug it in and charge up your phone in the car.