This battery-less toy train chugs along thanks to infra-red laser beams - CNET

This battery-less toy train chugs along thanks to infra-red laser beams - CNET

5:50 AM
This battery-less toy train chugs along thanks to infra-red laser beams - CNET
Your future devices could get a long-distance wireless charge.

from CNET News http://ift.tt/2rnGqRJ

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