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A real Bobby Dazzlah from Dayun Undah! This 16mm film may have lost its color, but remains a document of a much more hands-on time for science. When was the last time you built a wave tank with a car battery and a spot light? Yea, been a while for me too... But it sure does look like fun! This reel was transferred from my own 16mm archive print using my Eiki Telecine. The Eiki projects a 24fps print at 30 frames per second for a flickerless NTSC transfer. A special diffusion plate eliminates the 'hot spot' of the projector, and the sound is pulled right from the optical track.
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13 thoughts on “Transverse waves 1969”
  1. Avataaar/Circle Created with python_avatars xjet says:

    Funny you should ask but I built and used a wave-tank about 15 years ago when refining some of my pulsejet engine designs. Very handy things indeed when you're studying wave propagation.

  2. Avataaar/Circle Created with python_avatars Chris Hince says:

    My dad was a civil engineer. I used to play with wave tanks and other cool stuff in his Uni based Lab. Thanks for the memory.

  3. Avataaar/Circle Created with python_avatars Tamashii M. H. says:

    Wait, wait… I'm LOOOVING the sticker (or card) in the film box: "Inspected by the latest electronic equipment but I still make all necessary decisions. If either I or the machine goofed, and this film wasn't satisfactory, please yell." Kinda signed by "D."
    Wow, that is incredible. "Please yell"? Amazing.

  4. Avataaar/Circle Created with python_avatars Krap Art says:

    This is freaking rad. I love everything about this. Thank you so much for posting. I know its quite the process.

  5. Avataaar/Circle Created with python_avatars John Donovan says:

    It feels like the first 10 minutes of a brainwashing film the CIA would use as part of MKUltra. I'll be hearing v equals n lambda in my sleep!

  6. Avataaar/Circle Created with python_avatars Ian Hilpus says:

    Exactly the same principles apply to air which is invisible unless you add say smoke but in acoustic settings, we hear it! Don't you just love science? Nice video. next!

  7. Avataaar/Circle Created with python_avatars Lethgar Smith says:

    " Look at these waves and think of their pow -eh "
    "Notice the disturbance moves across the surface of the wat -eh"

  8. Avataaar/Circle Created with python_avatars John Anon says:

    So in a few hours no more Dislikes!
    Or at least dislikes won't shown publicly just so YouTube can help scammers, jerks, and their own hidden agendas to try to pull the wool over the eyes of enemy #1 the general public.

  9. Avataaar/Circle Created with python_avatars Truths33ker22 says:

    Lovin' the science Fran and the nostalgia is heartfelt 🙂 I remember those days back when it was more fun to go outside than to sit inside because the world was at your fingertips and as real as it gets. It makes me sad that the majority of youth today have not experienced this and the mind opening freedom it brings with it.

  10. Avataaar/Circle Created with python_avatars Gron Arthur says:

    The viewer needs to read too much into what is happening. A nice vintage video. Good use of simple tech. But, needs to walk the viewer through the action more.

  11. Avataaar/Circle Created with python_avatars Dave Post says:

    Seeing a Fran video show up on my YouTube page reminds me of being in school and walking in to see a projector set up. Thanks!

  12. Avataaar/Circle Created with python_avatars asn413 says:

    say fran? do you know of any resources for school filmstrips? I have a major bucket list item to finish one i was never able to finish (not enough time in weekly school library visit.)

  13. Avataaar/Circle Created with python_avatars Stanley Denning says:

    It's all just basic physics. Interesting though. Do you know the publication date? I'm guessing the late 50s.

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