[Robotgroup] Cool NASA News

[Edwin Wise]

On 19 Jun 2007, at 12:24 PM, Clendon Gibson wrote:

> Just out of curiosity, how efficient are these recharge pads  
> supposed to be? It seems to me like they would throw away some  
> percent of the energy just because of the antenna/coil shape.

A good question in our current age of trying to be efficient to  
reduce emissions by power plants...

I do note that my electric toothbrush already recharges by induction...

Edwin!