what did einstein invent?
Einstein refrigerator
entailment
 In 1907 , Einstein was still eight years away from completing the general theory of relativity . Nonetheless , he was able to make a number of novel , testable predictions that were based on his starting point for developing his new theory : the equivalence principle . 

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 Einstein was a figurehead leader in helping establish the Hebrew University of Jerusalem , which opened in 1925 , and was among its first Board of Governors . Earlier , in 1921 , he was asked by the biochemist and president of the World Zionist Organization , Chaim Weizmann , to help raise funds for the planned university . He also submitted various suggestions as to its initial programs . 

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 Einstein 's " Zur Elektrodynamik bewegter Körper " ( " On the Electrodynamics of Moving Bodies " ) was received on 30 June 1905 and published 26 September of that same year . It reconciles Maxwell 's equations for electricity and magnetism with the laws of mechanics , by introducing major changes to mechanics close to the speed of light . This later became known as Einstein 's special theory of relativity . 

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 In a letter to The New York Times , Albert Einstein wrote : 

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 Einstein conducted other investigations that were unsuccessful and abandoned . These pertain to force , superconductivity , gravitational waves , and other research . 
