Comments by "vangrails" (@vangrails) on "Mathologer" channel.

  1. A lot of people know roman numerals and are therefore 'aware' that a number can be written in different ways.
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  2. I am not convinced. The value of 1 + 1/2 + 1/4 + 1/8 + 1/16... also changes with each addition but in the end the result = 2, a rational number.
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  3. If you multiply pi by e you get e*pi, not pi*e !
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  4. Superfluid helium almost behaves like that; it can leak through glass and it climbs walls too.
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  5. The Cauchy condensation test to determine the convergence of series is a very interesting part of calculus.
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  6. That is indeed a very long way but I still think that it can open the mind a bit.
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  7. Afaik: British people say maths, Americans say math and Germans say mathe. Dutch people say wiskunde.
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  8. Feel free to do some reading about geometric series and maybe the Cauchy condensation test.
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  9. Same for me, I had to relearn how to do algabraic manipulations after two decades of ignoring math.
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