According to some research (quoted on
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Jupiter is 17 times too light to ignite. So, as Arthur C. Clarke's described in "2010 :Odyssey two", all we have to do is to drop a bunch of monoliths on it... Tesla is often quoted as having proposed a system for producing "free energy". He definitely knew enough about the subject to refrain doing so
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fact Tesla partnered with Westinghouse to develop AC power production and transportation against Edison who promoted DC current . Pushing this forward, Tesla discovered that microwaves could be used to transport energy, and suggested that one day, energy could be transmitted by microwaves rather than power lines. He never suggested that the energy would come from "free", but he certainly overlooked the fact that his system would also offer all the advantages of a world wide microwave oven...