Here is a link to a story about some technological advances using the best technology of all…the bicycle.
Bicyclists in Kenya Charge Their Phones by Pedaling
Written by Bryan Nelson
Published on July 28th, 2009
Two Kenyan students have invented a device that allows bicycle riders to charge their phones as they pedal.
Deemed a â€œdynamo-powered smart chargerâ€, the device should make it more economical for the 17.5 million Kenyans who use mobile phones to charge them. Even more impressive, the environmentally-friendly phone charger was originally built from scraps retrieved from a junkyard.
Read the whole story here at ecowordly.com