New temporary tattoo makes electricity from sweat (but only makes you cool temporarily)

Like marriage, tattoos often seem like a good idea at the time. But teens often fail to realize that the cool barbed wire tattoo is going to be little more than a picket fence when they get old. Now you can get a temporary tattoo that eventually wears off (hopefully by the time you have to go out and get a job) and serves a useful purpose while you wait for it to disappear.

New temporary tattoo makes electricity from sweat (but only makes you cool temporarily)