Here is a model of what a commercial Polywell reactor might look like. The machine has gas puffer, electron guns, a power supply and rings. The machine could produce cheap, abundant, green energy for the world. The cost of this machine would be very low. Additionally, there has been talk about using this machine to power rocket ships, allowing interplanetary travel. You can learn more about this machine here: http://en.wikipedia.org/wiki/Polywell
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