[GreenKeys] RIP Carl Gauss, and happy birthday Paul Tibbets!

[Jordan Spencer Cunningham]

Now I know who to ultimately thank for the degauss buttons I used to press
to fix distortions on my heaters CRT monitors back in the day (let's face
it-- most of the time I pressed it because it was fun).

On Thu, Feb 22, 2018 at 2:37 PM, Dave Horsfall <dave at horsfall.org> wrote:

> Mathematician, astronomer, and physicist Carl Friedrich Gauss got
> demagnetised on this day in 1855; the old unit of magnetism, the Gauss (G)
> is named after him (so keep that in mind the next time you use your
> selector magnets).  Trivia: as a school-kid, his class was set the problem
> of adding up all the numbers from 1 to 100 (the teacher must've been a bit
> of a bastard).  As the rest of the class laboured away with chalk and
> board, young Carl realised that the sequence 1 + 2 + 3 + ... + 100 is the
> same as (1 + 100) + (2 + 99) ... etc, which reduces to 101 + 101 + 101 ...
> i.e. 101 * 50, and he turned in the only correct answer within minutes. He
> went on to derive the general formula for sum(1..N), which is (N*(N+1)/2).
>
> But we gained Col. Paul Tibbets K4ZVZ in 1915; he is well-known as the
> pilot of a certain B-29, the Enola Gay...
>
> --
> Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will
> suffer."
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