100 Years of General Relativity
On 4 November 1915 Einstein wrote to his elder son Hans Albert Einstein, “In the last days I completed one of the finest papers of my life; when you are older I’ll tell you about it” (1). He referred to the first out of four papers Einstein wrote in November 1915 where he finally developed his General Theory of Relativity. Today, November 25th, marks the 100th anniversary of the presentation of the Einstein field equations on the Prussian Academy of Sciences, which is one of the anniversaries celebrated during the International Year of Light and Light-based Technologies 2015 (IYL 2015).
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