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Find number abc

If b87ca - 3aa48 = 3bc04 find number abc. Multiple solutions may exist.

Correct answers: 36

The first user who solved this task is Nílton Corrêa de Sousa.

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Chilling with Eskimos

Q: What do Eskimos get from sitting on a block of ice?

A. Polaroids.

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Radioisotopes exported

In 1947, radioactive isotopes produced from phosphorus-31, arrived at Canberra, Australia, being the first export of radioisotopes from the U.S. They were to be used in Australia's X-ray and medical laboratory. Oak Ridge National Laboratory in Oak Ridge, Tenn., produced the isotopes as a by-product of the chain reaction in a uranium pile. They travelled by airplane via San Francisco, California.

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