Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
PROF. BOYS' letter on p. 439 (March 12), reminds me that I have never seen stated a very simple approximate relation between centimetres and inches, viz. 33 to 13, which is correct to one part in 1700 ...
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