Nobel Prize in Physics in 1920
= Nobel Prize in Physics in 1920
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Awarded to <Charles-Édouard Guillaume> for precision measurement through anomalous properties of nickel–steel <alloys>. The <Guillaume thermal expansion experiment> explains how a reference comparison reveals low <thermal expansion>.<The Nobel Prize in Physics 1920 by Nobel Prize Outreach>[Official award record: Guillaume and precision measurement with nickel–steel alloys]{ref}