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Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.

0 votes

How can I conclude that I live in a solar system?

Stellar aberration, the change in the apparent positions of more or less most of the night sky with the seasons, directly due to the velocity of the earth in its orbit. Note - aberration, which is re …
sigoldberg1's user avatar
6 votes

Demystifying complex numbers

Motivating complex analysis The physics aspect of motivation should be the strongest for engineering students. No complex numbers, no quantum mechanics, no solid state physics, no lasers, no electri …