It seems like nifty new apps for your smart phone appear every day. How about one that helps you see in the dark? Today, on Engineering Works!
If you like war movies or just keep track of the news from Iraq and Afghanistan, you know something about night vision devices. They’re goggles, mated to a set of lenses and electronic gear that allow soldiers to see in the dark. They work pretty well, but they’re bulky, heavy and expensive.