If you spend a lot of time out in the wilderness on your iPhone, then you're going to love the Turning Power Charger. This aptly named gadget-charger from designer Cindy Karimun uses kinetic energy to charge electronics and provide light.
Simply turn the Turning Power Charger and let it unwind. Repeat this step a few times and you have all the energy you need to power up any gadget with a USB port. If you're into eco-friendly gadget-chargers like the Turning Power Charger, keep clicking below to see more green gadget-chargers from the Trend Hunter archives.