For most tech-savvy folks, the best seat in the house is usually the one nearest a power outlet. Making sure that every device you own is constantly powered is almost a hobby, especially if you rely on those devices for work in the field. Enterprising engineers across the country are coming up with portable means of generating the energy you need, without resorting to bulky battery packs.
The nPower PEG (stands for personal energy generator) is a 9-in. rod that gathers kinetic energy from the up-and-down movement produced by walking. The PEG comes with a power cord that fits most handheld mobile devices. Walking for a minute provides a minute of power for an iPod Nano, 11 minutes of walking will charge up a minute worth of time for an iPhone 3G.