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Conducted in April 1932 at the [[University of Cambridge]]'s [[Cavendish Laboratory]] in England,  the physicists Cockroft and Walton successfully split [[lithium]] atom [[nucleus|nuclei]] by colliding them with artificially accelerated protons. This experiment is general hailed as being the first [[transmutation]] of an element using artificially accelerated particles, for which they were honored with the [[Nobel Prize]] in 1951.<ref>[http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/  ''The Nobel Prize in Physics 1951''], Nobelprize.org, 23 Jan 2013</ref>
 
Conducted in April 1932 at the [[University of Cambridge]]'s [[Cavendish Laboratory]] in England,  the physicists Cockroft and Walton successfully split [[lithium]] atom [[nucleus|nuclei]] by colliding them with artificially accelerated protons. This experiment is general hailed as being the first [[transmutation]] of an element using artificially accelerated particles, for which they were honored with the [[Nobel Prize]] in 1951.<ref>[http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/  ''The Nobel Prize in Physics 1951''], Nobelprize.org, 23 Jan 2013</ref>
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Critics maintain that such verification is impossible due to the utter lack of any logical justification for that science fiction formula.
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Critics maintain that such verification is impossible, due to a misunderstanding about the nature of the universe.
    
Cockcroft and Walton "''did not see their experiments as a ''test'' of Einstein's mass-energy relationship; rather, they simply used that relationship in their analysis, assuming it to be valid ''"<ref>Roger H. Stuewer: ''Mass-Energy'' in ''Einstein in Context'', Cambridge University Press</ref> The first to stress this aspect of the experiment was the eminent physicist Kenneth Bainbridge in 1933:
 
Cockcroft and Walton "''did not see their experiments as a ''test'' of Einstein's mass-energy relationship; rather, they simply used that relationship in their analysis, assuming it to be valid ''"<ref>Roger H. Stuewer: ''Mass-Energy'' in ''Einstein in Context'', Cambridge University Press</ref> The first to stress this aspect of the experiment was the eminent physicist Kenneth Bainbridge in 1933:
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