[extropy-chat] A ROOM-TEMPERATURE PALM-SIZED NUCLEAR FUSION DEVICE
dirk at neopax.com
Wed Apr 27 17:55:38 UTC 2005
John K Clark wrote:
> PHYSICS NEWS UPDATE
> The American Institute of Physics Bulletin of Physics News
> Number 729 April 27, 2005 by Phillip F. Schewe, Ben Stein
> A ROOM-TEMPERATURE, PALM-SIZED NUCLEAR FUSION DEVICE has
> been reported by a UCLA collaboration, potentially leading to new
> kinds of fusion devices and other novel applications such as
> microthrusters for MEMS spaceships. The key component of the UCLA
> device is a pyroelectric crystal, a class of materials that includes
> lithium niobate, an inexpensive solid that is used to filter signals
> in cell phones. When heated a pyroelectric crystal polarizes
> charge, segregating a significant amount of electric charge near a
> surface, leading to a very large electric field there. In turn,
> this effect can accelerate electrons to relatively high (keV)
> energies (see Update 564,
Nice, but nowhere as good as a Farnsworth fusor.
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