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Goodbye Power Cords: Intel Testing Wireless Power

by Nilay Patel on August 22, 2008 at 01:12 PM

We've seen a number of wireless power systems come and go, but for all the hype-filled bombast and occasional working demo, the tech just hasn't gone anywhere -- but even with that background, Intel's demo of a wireless power system that can broadcast 60 watts of power up to three feet at IDF with 75 percent efficiency has us giddy with excitement. The system works using essentially the same magnetic induction principle as all the others, but Intel's seems the furthest along, and the company hopes to one day be able to charge laptops with it. Yeah, we'll take three.

Read - NYT article
Read - Pictures from the presentation

Tags: httpwww.nytimes.com20080821technology21intel.html_r3r, idf, idf 2008, Idf2008, intel, wireless charging, wireless power, WirelessCharging, WirelessPower

Comments

DarkLightAug 22nd 2008 3:55PM

Neutral

Goodbye power cords - hello cancer :-D

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DarkLightAug 22nd 2008 3:58PM

Highly Ranked

PS. Tesla did this more than 100 years ago.... But, sadly, most people don't even know who is Tesla (but everyone knows who is Edison... IMO, Tesla should be above Edison in the genius list)

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ChadAug 23rd 2008 10:25PM

Highly Ranked

He was working on this same principle when he was designing Wardenclyffe Tower in 1900. You are correct about no one knowing about him, AND no one knows Nikola Tesla gave us the AC power grid we now take for granted every second of the day. He also invented the radio, despite most history books giving that credit to Marconi. Unfortunately for us Tesla was WAY too far ahead of his time, however in retrospect had he been born just 5 years sooner he would have been ahead of the 'other' guys of his time that have taken credit for his work. The is absolutely no way to know what he could have given us in today's time. Edison was a sorry b*stard who tried to discredit Tesla at every turn.

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Robcas631Aug 24th 2008 12:08AM

Neutral

DarkLight, you are correct in stating that Nikolai Tesla invented this system about 100 years ago. Thanks for pointing that out.

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SeanAug 24th 2008 3:18AM

Neutral

Tesla may have come up with this 100 years ago and he may of had his critics, but, if he had it working perfectly then we wouldn't have to be doing all this research now would we? Not to mention the dangers that undoubtedly will be found in this technology will make Intel's and Tesla's research completely and utterly useless. On a side note, is it just me or does anyone else find it hilarious that the people who are going on about Tesla and his research are making the most obvious typos of anyone to post a comment?

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AndyAug 23rd 2008 8:19PM

Neutral

Darklight is right.
This is nothing new, windings in the transmitter and the Magnetic flux travels to the receiving windings.

Has anyone determined how much more power needs to be generated on the transmitting end to drive the 75 watt bulb? 100,150,200watts?

I suspect this is very inefficient.
Just plug the d** thing in and use this toy as a science experiment.

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dieterAug 24th 2008 1:29AM

Neutral

the effeciency is 75% a 75 watt bulb is powered by 100 watts with the system

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ChrisAug 23rd 2008 9:47PM

Neutral

While most people have heard of Marconi and Edison, Tesla's fame has waned in and out over the last century. Part of the reason for it, was his own arrogance, abrasive perosnality, inability to compromise and overall flamboyant claims that failed to come true significantly reduced his credibility.

You still have conspiracy theorists trying to duplicate his mythical "Tesla Turbine" to this day! The physics and math on this one, was done sixty years ago. The fact is, Tesla lied and that is why no one can duplicate his magical turbine but his underdog status has people chasing his ghost over one hundred years later.

Yes, he was an amazing genius but his glaring character flaws and repeated lies are why he is left out of most history books.

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kat61969Aug 23rd 2008 8:14PM

Highly Ranked

Tesla was brilliant. Unfortunately, most people thought he was crazy. He was just a man ahead of his time. As a rocker, I know that one person appreciated Tesla. They named their group after him.

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mitchAug 23rd 2008 8:21PM

Neutral

just what we need......more emf in the evironment

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SkyeAug 23rd 2008 8:33PM

Neutral

Don’t feel sorry for Tesla. All the world is about to know his name and they are not likely to ever forget it. Most people have seen the image of an angel in the clouds playing a harp, how ironic that they got it right they just spelled it wrong. It should have been spelled HAARP.

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jackAug 23rd 2008 8:41PM

Neutral

I guess some think 75% efficiency is good. I think it means wasted electricity in a nation that's already addicted to oil.

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jimmichigan123Aug 23rd 2008 8:43PM

Neutral

what kind of PSYCHO JERK are you!!!??? you are MARRIED with KIDS and you want to go clubbing with another girl???!!!! how about spending time with your FAMILY,,, DUH!!!!!!!

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CindyAug 23rd 2008 8:44PM

Neutral

Tesla...wasn't that a band in the 1980's?

;-P

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MattAug 23rd 2008 8:46PM

Highly Ranked

Yes this was Tesla's idea. If the government hadn't seized his papers after he died we would have had this a long time ago. Tesla was far ahead of his time. He knew all those years ago that we needed to find greener power sources to end our dependence on oil. He is a forgotten genius that everyone should learn about.

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BobAug 23rd 2008 9:17PM

Neutral

I hope it doesn/t cost as much as wind-power. my neighbor was going to order a wind-power system for his 4000 sq ft home, but after figuring total costs has decided not to bother. total costs $50,000.00. how about that boone pickens, you old sob.

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JeffAug 23rd 2008 9:18PM

Neutral

Tesla was way ahead of his time. I wish I could say the same for Edison.

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Alfred SteinertAug 23rd 2008 9:19PM

Neutral

WHAT DO U THINK RUNS ALL THOSE ALIEN SPACE SHIPS.

MAGNETISM

TO THEM IT'S A NO BRAINER!!!!

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Michael Wayne HuffAug 23rd 2008 9:39PM

Neutral

Tesla was indeed way ahead of his time but now let's get a combustion engine that does'nt need anything that causes poison exhaust! Just think about the fact that there is no thing called privacy anymore!

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RobertAug 23rd 2008 10:25PM

Neutral

I was speculating one day that explosion motors (chemical or nuclear or more powerful,[see the galactic sun in the middle of our galaxy] might always power electrical and "antigravity?" generators/motors. We're really powered by our sun and heat generated by the Earth itself I think. :-)

Wireless sending of electricity could be a good thing but 25% loss of efficiency at just three feet doesnt sound that good.

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