15 minutes of eye candy.

Community Bar Sport
1

@ 4, 6 and 8 minutes is fun :slight_smile:

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Would have been nice to have seen this back in school days, hmmm, they didn't have monitors back then :frowning:

2

Interesting and informative. But 8 minutes too long - the woman should talk faster.

I recall seeing a mechanical machine (no electrical parts) in the Science Museum in London. There was a place to hold a sheet of paper with a printed graph of a waveform. There was a sort of stylus (linked to levers) that you would use to trace over the waveform and the machine would draw (on other pieces of paper) the first 3 (I think) harmonics of the waveform. Mechanical Fourier analysis.

...R

3

Chem majors had lsd. Same thing.

4

ChrisTenone:
Chem majors had lsd. Same thing.

lol

5

Robin2:
I recall seeing a mechanical machine (no electrical parts) in the Science Museum in London. There was a place to hold a sheet of paper with a printed graph of a waveform. There was a sort of stylus (linked to levers) that you would use to trace over the waveform and the machine would draw (on other pieces of paper) the first 3 (I think) harmonics of the waveform. Mechanical Fourier analysis.

Here's a molecular machine animation - Jordan Peterson shows you a video of DNA fixing itself