👤 whose
Whose discovery showed that superconductivity appears at extremely low temperatures?
PhysicsMaterials
Quick Answer
Heike Kamerlingh Onnes’s discovery of superconductivity in 1911. He found that mercury’s electrical resistance drops to zero near 4.2 kelvin.
The Full Story
Heike Kamerlingh Onnes, a Dutch physicist, discovered superconductivity in 1911 while studying materials at very low temperatures. In mercury, he observed that electrical resistance suddenly vanished below about 4.2 K. This remarkable state of matter has since been found in many materials and is essential for technologies such as MRI magnets and particle accelerators. Onnes received the 1913 Nobel Prize in Physics for his low-temperature research.
Key Facts
1.Discovered in 1911
2.Mercury superconducts near 4.2 K
3.Won the 1913 Nobel Prize in Physics
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"The weird state where electricity can flow with no resistance at all."