Every kid who put a towel around their neck and pretended to be Batman in their backyard always had a trusty flashlight on the ready as their go-to “Batsignal.” And as the light from our battery ...

If you have a high regard for the Caped Crusader, then carve out a few minutes in your day, gather some copper wire, an AA battery, and a neodymium battery. The result of your efforts will be a pretty ...