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"[...] a single piece of rear projection glass that's being flung back and forth in the air at 15 cycles per second [...]" So, how does that not cause huge air

by zevv 6y ago

"[...] a single piece of rear projection glass that's being flung back and forth in the air at 15 cycles per second [...]" So, how does that not cause huge air friction, turbulence and noise?

ekianjo 6y ago
It does make a bit of noise. (seen one before)
- Blammar 6y ago
  ? I assumed the globe was to maintain a vacuum. Huh.
  - andi999 6y ago
    Main purpose is not to cut of your arm.
newman8r 6y ago
Seems reminiscent of the Baird television with the mechanical Nipkow disc. Is there any tech on the horizon that can replace this in the same way tubes beat out the mechanical TV?