Soon, Power Will Be Delivered to Your Device by Air

wsj.com

5 points·apsec112··8 comments

Paywall free link:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&c...

Tesla had wireless power transmission working over a century ago: https://en.wikipedia.org/wiki/Wireless_power#Tesla.27s_exper...

"At his Colorado Springs laboratory during 1899–1900, by using voltages of the order of 10 megavolts generated by an enormous coil, he was able to light three incandescent lamps at a distance of about one hundred feet."

This article here https://news.ycombinator.com/item?id=8542091 is why some of the technology puffery in this WSJ article may not come true: there's been some pretty damning and serious scientific feedback om their sound-energy transmission efforts.

I am guessing this will be a reality about the same time as the clean fusion reactors come online....

Posted this last week to no acclaim lol http://www.engadget.com/2015/09/30/freevolt-free-energy/

These other submissions were more lucky.

* https://news.ycombinator.com/item?id=10308708 (7 points, 8 days ago, 6 comments )

* https://news.ycombinator.com/item?id=10323565 (2 points, 5 days ago, 7 comments) (more interesting comments)

Very short version of the comments: They claim that they can harvest ~30µW, this is very little. For example, it can only blink a led a few times per minute, because a normal led use 30mW=30000µW. Read the complete comments for more details.

We're not going to subscribe to your anti-internet paywall site, WSJ, sorry. The net is free. Why aren't you.

This conversation has been had ad nauseam and these comments are no longer wanted on HN (according to https://news.ycombinator.com/item?id=10178989 )

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