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In March 1989, [[University of Utah]] chemists Stanley Pons and Martin Fleischmann reported the production of excess heat that could only be explained by a nuclear process ("[[cold fusion]]"). The report was astounding given the simplicity of the equipment: it was essentially an [[electrolysis]] cell containing [[heavy water]] and a [[palladium]] [[cathode]] which rapidly absorbed the [[deuterium]] produced during electrolysis. The news media reported on the experiments widely, and it was a front-page item on many newspapers around the world (see [[science by press conference]]). Over the next several months others tried to replicate the experiment, but were unsuccessful.<ref>{{cite journal|title=Physicists Debunk Claim Of a New Kind of Fusion|newspaper=New York Times|last=Browne|first=Malcolm|url=http://partners.nytimes.com/library/national/science/050399sci-cold-fusion.html|date=3 May 1989|access-date=3 February 2017}}</ref>
[[Nikola Tesla]] claimed as early as 1899 to have used a high frequency current to light gas-filled lamps from over {{convert|25|mi|km}} away [[Wireless energy transfer|without using wires]]. In 1904 he built [[Wardenclyffe Tower]] on [[Shoreham, New York|Long Island]] to demonstrate means to send and receive power without connecting wires. The facility was never fully operational and was not completed due to economic problems, so no attempt to reproduce his first result was ever carried out.<ref>[[Margaret Cheney (author)|Cheney, Margaret]] (1999), ''Tesla, Master of Lightning'', New York: Barnes & Noble Books, {{ISBN|0-7607-1005-8}}, pp. 107.; "Unable to overcome his financial burdens, he was forced to close the laboratory in 1905."</ref>
Other examples which contrary evidence has refuted the original claim:
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