The RCA Airnergy harvests ambient WiFi energy to charge your gadgets (Photo: OhGizmo)
Move over solar chargers. Step aside kinetic chargers. If RCA is to be believed, there’s a new way to scavenge power from the environment using an energy source that’s all around us: WiFi. If you are reading this article, the chances are very good that you are in range of at least one wireless network. RCA says its Airnergy Charger scavenges stray WiFi signals and converts them to DC battery power that you can use to charge your cell phone, music player, or other electronic devices.