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See below (from msnbc.com). Anyone have additional info to share?
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... - say it
can be built to scale using off-the-shelf components and can power anything
that requires a motor. ...a prototype - roughly the size of a
dishwasher - was run for around 10 minutes using four 12-volt car batteries
as an initial power source. Emitting a steady motorized hum, the machine
kept three 100-watt light bulbs lit for the duration. A multimeter reading
of the batteries' voltage before the device started up showed a total of
48.9 volts. When it was switched off, a second reading showed 51.2 volts,
indicating that the voltage had not run down.
The machine went on to run for around two hours while photographs were
taken, with no diminution in the brightness of the light bulbs, which
remained lit during a short power cut.
"The draw on the batteries was estimated at more than 4.5 kilowatts. With
any existing technology the batteries would have been drained flat in one
and a half minutes," the inventor said.....