
1) American invention
Found on
https://www.crosswordclues.com/clue/fusor

A fusor is a device that uses an electric field to heat ions to conditions suitable for nuclear fusion. The machine has a voltage between two metal cages inside a vacuum. Positive ions fall down this voltage drop, building up speed. If they collide in the center, they can fuse. This is a type of Inertial electrostatic confinement device. A Farnswo...
Found on
http://en.wikipedia.org/wiki/Fusor
[astronomy] A fusor is a term proposed to the IAU by Gibor Basri, Professor of Astronomy at the University of California, Berkeley, to help clarify the nomenclature of celestial bodies. Under his definition a fusor would be `an object that achieves core fusion during its lifetime.` This definition included any form of nuclear fusion so the ...
Found on
http://en.wikipedia.org/wiki/Fusor_(astronomy)
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