Computers and power tools that charge as soon as you set them down
By Mark ByrnePosted 12.09.2009 at 5:16 pm 1 Comment
A table that automatically charges any laptop, gadget or even jigsaw that you place on it—that's the promise of wireless power, and it just got one step closer. Magnetic induction systems, which transmit electricity without jacks and ports, have finally gone beyond the electric toothbrush into big, high-wattage gear. The new Dell Latitude Z laptop and a prototype Bosch drill power up while resting on specialized docks, which plug into the wall. The docks generate an electromagnetic field, which is picked up by a coil in the device, charging the battery.