Free-roaming wireless power has been a dream of engineers since the days of Tesla and Edison waging their war of innovation, but a number of technical hurdles have prevented it from becoming a reality.
The folks at Disney Research have revealed that they have successfully built a method to provide full coverage of an average room and power all the devices one might need.
In a paper published in the journal Plos One, the researchers describe their methodology for delivering around 1900 watts of energy around a room with an efficiency of 40 to 95 per cent depending on the position.
Describing how this works starts with the worst drawback of the system. The room needs to be specially built to provide the wireless power. That means the walls are made of aluminium panels and there’s a big, ugly copper pipe smack in the middle going from floor-to-ceiling.
from Eve’s Feed http://www.stuff.co.nz/technology/gadgets/89720803/Disney-makes-a-room-that-wirelessly-charges-any-device
from
https://evewilki1971.wordpress.com/2017/02/23/disney-makes-a-room-that-wirelessly-charges-any-device/
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