Find number abc
[6748] Find number abc - If ccc99 + a120c = 1b6a04 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 20 - The first user who solved this task is Nílton Corrêa de Sousa
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Find number abc

If ccc99 + a120c = 1b6a04 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
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Ballpen in space

When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity.
To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300 C.
The Russians used a pencil.

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Arthur Milne

Died 21 Sep 1950 at age 54 (born 14 Feb 1896).Edward Arthur Milne was an English astrophysicist and cosmologist who is bestknownfor his development of kinematic relativity. Poor eyesight prevented him from active service in WWI, he did important war service in research in ballistics and sound ranging, and problems related to the atmosphere of the earth.. From 1920-29, he studied problems of radiative equilibrium and the theory of stellar atmospheres. He extended work done earlier by Schuster and by Schwarzschild, which he combined in a mathematical interesting integral equation now known as Milne's integral equation. Later, he turned to the theory of stellar structure and cosmology. After 1932, he concentrated on a new form of relativity called kinematic relativity, an alternative to Einstein's general theory.
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