Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Kamerlingh Onnes Heike H1

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Kamerlingh Onnes Heike H1

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Image title: 
Measurements mark the discovery of superconductivity, Kamerlingh Onnes' graph
Credit line: 
AIP Emilio Segrè Visual Archives, Physics Today Collection

Kamerlingh Onnes' Graph. 1911 plot of electrical resistance in ohms versus absolute temperature for a sample of mercury. These measurements mark the discovery of superconductivity.

Photo date: 
circa 1911
Original format: 
1 photographic print (black and white; 10 x 8 inches)
Kamerlingh Onnes, Heike, 1853-1926