In what year was Gustaf Dalén awarded the Nobel Prize?
1910
1912
1914
1916
Answer
In 1912, Gustaf Dalén, a Swedish scientist and engineer, was awarded the Nobel Prize in Physics for his inventions of automatic regulators designed to be used in conjunction with gas accumulators in lighthouses and buoys. His primary invention, the sun valve, utilized the changing intensity of sunlight to control the acetylene gas flow, regulating the light output based on ambient light conditions.
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