This Smartphone Charger Doesn't Need an Outlet — Just Fire

We all want to disconnect from our mobile devices sometimes and escape outside. But during every camping trip, a sunset is begging to be posted on Instagram or a trail is too hard to navigate without GPS. But the great outdoors is devoid of outlets to recharge, leaving us with battery-zapped devices.

FlameStower harnesses fire to charge your battery. The device is comprised of a USB port, small stand, container for water and flat end to put over the fire; it uses a thermoelectric process to charge small mobile devices. The temperature difference creates energy because the higher voltage of the flame helps send electricity to the lower voltage of the water (the colder component) Read more...