Learning How A TV Works By Examining The Picture In Ultra-Extreme Slow Motion

January 22, 2018

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This is a video of Gav from The Slow Mo Guys explaining how a television works by filming an old CRT television at up to 380,000 frames per second so you can see the television creating the image by producing line after line from top to bottom, left to right at an insane rate of speed. I think I might have actually learned something. Mostly, that Gav likes to brag about his 85-inch flatscreen. Besides, I've actually known this is how televisions worked for a long time. And not just because I used to sit way too close to the TV when I was a kid and burnt my retinas out, but whenever my optometrist gives me an eye test and asks me to read the top line all I can see is the Super Mario Bros 3 title screen.

Keep going for the informative video, but skip to around 2:00 to see the slow motion getting slower and slower.

  • GeneralDisorder

    I knew conceptually how TVs work for a good long time. I used to sit real close to the TV and played with magnifying glasses and stuff.

    It's pretty amazing to see actual high speed video of old CRTs.

    I also want to see a 75Hz or 85Hz CRT monitor next to a 60Hz TV.

    I had a pretty nice flat-front CRT when I was in college and it had a maximum resolution of about 3200X2800 (which, 4K is 3840×2160 so LCD has only recently caught up to early 2000s).

    Granted, at 3200X2800 would only work at 60Hz because of limitations.

  • ntgCleaner

    *ahem* PCMASTERRACE

  • TheQiwiMan

    Very inform-taining!

  • Talon184

    Damn, I sort of understood that's how tv's work, but seeing it up close and in slo-mo really makes it easier to grasp. Good video!

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