And just as useful, a USB Pet Rock.
Saturday, 29 January 2011
Useful USB Devices
A USB charger that is a Perpetual Motion Machine of the First Kind
And just as useful, a USB Pet Rock.
And just as useful, a USB Pet Rock.
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2 comments:
An evil voice in my head keeps whispering to me that I should set up a local franchise for selling these.
This reminds me of the Airnergy cell phone chargers that would presumably run off of Wi-Fi RF signals.
http://www.computerworld.com/s/article/9146638/Airnergy_s_Wi_Fi_power_harvester_Is_it_real_or_not_
The question they ask, "Is it real or not", is a good one.
Dave Jones out of Sidney, I think has the best answer, though he takes a convoluted path to get there.
http://www.eevblog.com/2010/01/17/eevblog-55-rca-airnergy-wifi-hotspot-energy-harvesting-marketing-bs/
In the end, it's all great fun. I'll have to confess I never heard of the USB prt rock. Just when I thought I'd seen USB powered everything.
Sarah
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