Wednesday, February 15, 2006

Tabletop nuclear fusion device developed





The device is essentially a tabletop particle accelerator. At its heart are two opposing "pyroelectric" crystals that create a strong electric field when heated or cooled. The device is filled with deuterium gas -- a more massive cousin of hydrogen with an extra neutron in its nucleus. The electric field rips electrons from the gas, creating deuterium ions and accelerating them into a deuterium target on one of the crystals. When the particles smash into the target, neutrons are emitted, which is the telltale sign that nuclear fusion has occurred, according to Danon.

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