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Pyotr Leonidovich Kapitsa

Died 8 Apr 1984 at age 89 (born 8 Jul 1894). Pyotr Leonidovich Kapitsa was a Russian physicist who shared (with Arno Penzias and Robert Woodrow Wilson) the 1978 Nobel Prize for Physics for his basic strong magnetic field inventions and discoveries in the area of low-temperature physics. He discovered that helium II (the stable form of liquid helium below 2.174 K, or -270.976 C) has almost no viscosity (i.e., resistance to flow). Late in the 1940's Kapitza changed his focus, inventing high power microwave generators - planotron and nigotron (1950-1955) and discovered a new kind of continuous high pressure plasma discharge with electron temperatures over a million kelvin.Also spelled Peter Kapitza. 8 Jul 1894 (new style) is 26 Jun 1894 (old style).

Dancing duck

A circus owner walked into a bar to see everyone crowded about a table watching a little show. On the table was an upside down pot and a duck tap dancing on it. The circus owner was so impressed that he offered to buy the duck from its owner. After some wheeling and dealing, they settled for $10,000 for the duck and the pot.

Three days later the circus owner runs back to the bar in anger, "Your duck is a ripoff! I put him on the pot before a whole audience, and he didn't dance a single step!"

"So?" asked the ducks former owner, "did you remember to light the candle under the pot?"

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