nPostednon July 8, 2015
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Onnthis date in 1894, Pyotr Leonidovich Kapitsa was born in Russia. Hengrew up to become a physicist, and in 1937, he discovered that heliumnbecomes a superfluid in low temperatures.
Onnthis date in 1894, Pyotr Leonidovich Kapitsa was born in Russia. Hengrew up to become a physicist, and in 1937, he discovered that heliumnbecomes a superfluid in low temperatures.n
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nKapitsanended up winning a Nobel Prize in physics for his discovery.
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nThennext year on this date, 1895, Igor Yevgenyevich Tamm was born innRussia. He discovered, along with a man named Cherenkov, that therenis a faint blue glow emitted when a charged particle passes through anliquid (or other material) faster than light travels through thatnliquid (or other material).
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nTammnended up winning a Nobel Prize in physics for his work, too.
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nNicencoincidence, eh?
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| Superfluid helium seems to defy gravity. It climbs up the walls of its container and then drips down and out of the container. It can even create a fountain like this: |
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| As the fast-moving particle travels through a fluid, it leaves behind an expanding “cone” of disturbance in the fluid’s electromagnetic field. Of course, a disturbance in an electromagnetic field is light. |
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nAlsonon this date:
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nSCUDnDay
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nAnniversarynof Vasco de Gama setting sail
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nAnniversarynof the first ice cream sundae (maybe!)
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nCocancola inventor John Pemberton’s birthday
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nPlannahead:
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nChecknout my Pinterest boards for:
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nJulyn holidays
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nJulyn birthdays
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nHistoricaln anniversaries in July
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nAndnhere are my Pinterest boards for:
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nAugustn holidays
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nAugustn birthdays
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nHistoricaln anniversaries in August
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