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Author Topic: Truly Wireless  (Read 1145 times)

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Offline Asia Kali Yusufzai

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Truly Wireless
« on: August 30, 2009, 01:55:36 PM »
The world of electricity will never be the same again... (probably)

http://www.ted.com/talks/eric_giler_demos_wireless_electricity.html
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"Parents always think kids are wasting their youth, and always have done [so] down through the millennia," says Tom Forsyth of RAD Game Tools. "'That Ug, always holding things. His front paws will develop in funny ways. Why can't he walk on all fours like normal proto-hominids?' And so, whatever the kids spend the most time doing, that's always what parents think is a waste of time, and what is corrupting their lives. It doesn't matter what that is. If all they did was homework, parents would be worrying that their kids aren't becoming well-rounded people. And, in fact, parents do this - enrolling math nerds in karate classes and the like. There is no way to win - parental paranoia ensures that kids are always doing the wrong thing."


Puncia's Foundraising Project

Offline Death Voices

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Re: Truly Wireless
« Reply #1 on: August 30, 2009, 02:09:04 PM »
That is pretty impressive.

It'd be interesting to see that implemented in real life.
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Offline Dessum

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Re: Truly Wireless
« Reply #2 on: August 31, 2009, 01:38:37 PM »
Wow!
It's amazing how technology can advance like this. Perhaps in 20 years time we'll all be flying (literally) around in electric cars!
This guy seems to know exactly what he's talking about, and it looks pretty amazing the way he made that phone turned on.
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Offline Blackout

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Re: Truly Wireless
« Reply #3 on: September 01, 2009, 03:09:05 AM »
I've always wondered why power wasn't wireless if a radio wave transfers energy why can't you harness it? You could even do it with sounds waves, have a speaker transmitting "the power" and a material (preferably with a resonant frequency of the transmitter) which vibrates and just hook up a generator to that.
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Offline JellyMuffins

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Re: Truly Wireless
« Reply #4 on: September 07, 2009, 06:16:36 AM »
^ err... probably 'cause you can't concentrate the waves efficiently enough to transfer the energy. And it takes a stupid amount of sound energy to get anything done. And if you're using electricity to power the speaker, which vibrates the material that runs the generator, you create a loop that goes nowhere...
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Offline Blackout

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Re: Truly Wireless
« Reply #5 on: September 09, 2009, 01:09:52 AM »
Quote from: JellyMuffins on September 07, 2009, 06:16:36 AM
^ err... probably 'cause you can't concentrate the waves efficiently enough to transfer the energy. And it takes a stupid amount of sound energy to get anything done. And if you're using electricity to power the speaker, which vibrates the material that runs the generator, you create a loop that goes nowhere...
Yes, energy loss is probably the biggest problem with that, but if you could get at least 25% efficiency it would definitely be worth it, depending on the distance.
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Offline Shadowhallow

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Re: Truly Wireless
« Reply #6 on: September 09, 2009, 12:11:42 PM »
Wow, that's awesome...


...I want one.  :3
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