March 1918: Testing Einstein

This year, Nature celebrates its 150th birthday. To mark this anniversary we’re rebroadcasting episodes from our PastCast series, bringing to life key moments in the history of science.

As the First World War draws to an end, astronomer Arthur Eddington sets out on a challenging mission: to prove Einstein’s new theory of general relativity by measuring a total eclipse. The experiment became a defining example of how science should be done.

Archive: Gravitation and the Principle of Relativity

Archive: Results of the Total Solar Eclipse of May 29 and the Relativity Theory

This episode was first broadcast in March 2014.

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