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Husain Massoud

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last 3 solved tasks
If a71ac - 14c30 = b223c find number abc. Multiple solutions may exist.
Identify the pattern to find the missing number.
MATH PUZZLE: Can you replace the question mark with a number?

Harold Delos Babcock

Died 8 Apr 1968 at age 86 (born 24 Jan 1882).American astronomer who with his son, Horace, invented the solar magnetograph (1951), for detailed observation of the Sun's magnetic field. With their magnetograph the Babcocks measured the distribution of magnetic fields over the solar surface to unprecedented precision and discovered magnetically variable stars. In 1959 Harold Babcock announced that the Sun reverses its magnetic polarity periodically. Babcock's precise laboratory studies of atomic spectra allowed others to identify the first "forbidden" lines in the laboratory and to discover the rare isotopes of oxygen. With C.E. St. John he greatly improved the precision of the wavelengths of some 22,000 lines in the solar spectrum, referring them to newly-determined standards.

That Darn Cat

A man who absolutely hated his wife's cat decided to get rid of him one day by driving him 20 blocks from his home and leaving him at the park.
As he was nearing home, the cat was walking up the driveway.
The next day, he decided to drive the cat 40 blocks away and try the same thing.
As we was driving back into his driveway, there was the cat! He kept taking the cat farther and farther away, but the darn cat would always beat him home.
At last, he decided to drive a few miles away, turn right, then left, past the bridge, then right again and another right and so on until he reached what he thought was a safe distance from his home and he left the cat there.
Hours later, the man calls home to his wife: "Jen, is the cat there?"
"Yes," the wife answers. "Why do you ask?"
Frustrated, the man answers: "Put that damn cat on the phone. I'm lost and I need directions!"      

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