Calculate the number 1371
[6691] Calculate the number 1371 - NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 9 - The first user who solved this task is Nasrin 24 T
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Calculate the number 1371

NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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New Hearing Aids

An elderly gentleman had serious hearing problems for a number of years.
He finally went to a doctor, and was fitted with excellent new hearing aids.
He returned a month later for a checkup, and the doctor said, “Your hearing is perfect! Your family must be really pleased that you can hear again.”

The gentleman replied, “Oh, I haven't told my family just yet. I still sit around quietly; but, now I listen to the conversations. I've changed my will three times already.

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Donald B. Keck

Born 2 Jan 1941.American research physicist, who with his colleagues at Corning Glass, Dr. Robert Maurer and Dr. Peter Schultz, invented fused silica optical waveguide - optical fiber. This was a breakthrough creating a revolution in telecommunications, capable of carrying 65,000 times more information than conventional copper wire. In 1970, Maurer, Keck, and Schultz solved a problem that had previously stumped scientists around the world. They designed and produced the first optical fiber with optical losses low enough for wide use in telecommunications. The light loss was limited to 20 decibels per kilometer (at least one percent of the light entering a fiber remains after traveling one kilometer).
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