If the zombies come, you’ll be thankful for using hand-cranked gadgets for two reason. First, you’ll have electrical power wherever you go, even if you’re running from one of those faster zombies. More importantly, it strengthens your hatchet-hurling hand and club swingers to make you more effective at zombie hunting. For those who aren’t as concerned about zombies as they are about having emergency backup power for their various devices, here are a handful of cool ones that can keep you going in case of disaster or simply when traveling in places without convenient outlets.   The Hand…

Hammacher Schlemmer, America’s longest running catalog, has just introduced a camera that’s fit for Derek Zoolander. Being no bigger than a fingertip, it probably won’t be winning any awards for its functionality, but it’s said to be the world’s smallest camera. The aptly named “World’s Smallest Camera” measures just over one inch in all dimensions and weighs only half an ounce. It’s just big enough for a human finer to snap a picture with a touch of the miniscule shutter button. “Although The World’s Smallest Camera is only slightly larger than a marble, it takes still images and…