Well connected: an optical clock at PTB was used in the comparison. (Courtesy: PTB) Atomic clocks in France, Germany and the UK have been used to perform the best-ever confirmation of time dilation as ...
A letter by Albert Einstein that is unusually written in Italian has fetched £49,000 at auction. The Austrian genius’s 1925 missive to Italian electrical engineer Giovanni Giorgi defends his 1915 ...
The theory of relativity describes two connected scientific theories developed by the physicist Albert Einstein: special relativity and general relativity. Collectively, relativity is the idea the ...
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