[LINK] Some shocking news about wireless electricity

[Adam Todd]

At 08:40 AM 11/06/2007, rchirgwin at ozemail.com.au wrote:
>that I ditched V1 of this message. Trying to correct something 
>written by a victim of brain-sucking aliens is just a frustrating 
>waste of time.

Aliens?

>contactless chargers work). So the researchers tune the coils to 
>improve the distant performance.
>
>Back to the MIT article (here: 
>http://www.technologyreview.com/Energy/18836/ ). "Efficient" in the 
>article has a specific meaning: "they showed that the scheme can 
>transfer power with an efficiency of 45 percent."

But that's what both Glenn and I said - although I specifically 
indicated that we didn't know the numbers, of which you in your 
usually brilliance have found :)

Now, I'm going to go throw up!  Because 45% is pretty worthless and 
my CB radio can light fluro tubes with less loss!

>That's not a New Age of Wireless Charging for consumer devices. 
>That's wasting more than half the input power.

Well it helps the Government run energy companies sell 55% more power :)


>So I'll say it for MIT: something which wastes 55% of the input 
>power is not even remotely useful as a consumer product.

(smile)

Agreed :)