Travel gadgets are perfect for anyone planning on making a trip. Travel gadgets range from solar-powered backpacks to global cell phones. Check out these great travel gadgets at HowStuffWorks.
How WiFi Detectors Work
WiFi access has become so prevalent that it's turned many people into laptop-toting, Internet hunters on the prowl for a signal everywhere they travel. What if there were a gadget that made it easier to find a signal?