Man Out of Time

[mishalak]

The BBC reports on using long lived resonance as a way to power wireless devices. Tesla is mentioned as the usual suspect in wireless power. I don't know how much he actually was experimenting with this sort of long lived resonance or if he had some other idea based upon electromagnetic broadcasts, but this is pretty interesting. I had no idea that it was even theoretically possible to have wireless power without silly losses. I hope to come across this again in a year and check up on how far building a working system has gotten.

Comments

[inqueery.livejournal.com]

Pretty cool. This basic principle has been taught in analog/RF EE classes for moons - although there will certainly be lossy inefficiencies as the EM flux field "tails" can't radiate infinitely. However the application in consumer electronics is pretty cool admittedly.

Although I'm curious how this will affect their human "wearers/carriers". We know the body is susceptible to EM fields, and high levels can cause DNA disruption. Substantial wireless EM power transmission might definitely cross the lines of safety in close proximity. [eg laptop in lap drawing power wirelessly for example]

Definitely worth tracking...

[mishalak.livejournal.com]

I wondered about that myself. Or even if it isn't deadly might not there be bleed over effects that make it impractical to use with other devices? But, hey, fun with physics.