I was chatting with a nengineer friend a few months ago about the idea of charging a cell phone over the air. He poopoo'd the idea as not physically possible. Leave it to the uber geniuses at MIT to figure it out. Imagine your cell phone/pda/dustbuster/laptop charging as soon as you walk into you house. No need to plug it in and all of your devices will be charged when you leave the house! Read More.