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Thursday, 1 June 2017
Toy train chugs along with no battery thanks to infrared lasers - CNET
Your future devices could get a long-distance wireless charge.
from
https://www.cnet.com/news/this-battery-less-toy-train-chugs-along-thanks-to-infra-red-laser-beams/#ftag=CAD590a51e
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