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[–] • 3 pts

I really appreciate all these posts of yours reminding us about these incredible White people inventions.

[–] • 2 pts

My pleasure. I'm going to head back over there when it's not so crowded and do shots of their major exhibits. Will post when I do.

[–] • 2 pts

It's a good thing electronics replaced mechanics for TV on both ends. Imagine what a "widescreen" high resolution TV and camera would look like if we stayed on the mechanical system. The pinhole disc would be huge and it would spin at dangerous speeds. Your TV could destroy your home if it went a little off-balance and the disc wobbled violently. That would be quite a sight to see!

[–] • 2 pts

Like a flywheel on a dragster, cuts through the wall and the car and into the neighbors house.

[–] • 1 pt

Read about these monstrosities in the book "Wunder der Wellen" (Miracles of Waves) by Eduard Rhein, when I was but a wee lad. The scanning disks were called "Nipkow-Scheibe".

https://en.wikipedia.org/wiki/Nipkow_disk