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Lensing sound using different gasses in balloons (Patreon)

Published:
2018-08-09 05:41:31
Imported:
2021-10

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sound lensing

Help me make videos by donating here: https://www.patreon.com/CodysLab Follow me on Facebook: https://www.facebook.com/codydonreeder SubReddit: https://www.reddit.com/r/codyslab/

Comments

Anonymous

Might be a good idea to use an app like Decibel 10 or some other audio software to do a FFT to see how loud various frequencies of the sound are

Adric Menning

noticed that one day as a kit playing with a helium balloon.

Brian Reddeman

I've been exposed to Halon when I was 21. A fire suppression system went off by accident in a clean room. Not sure the amount I was exposed to but my eyes were burning, felt dizzy... That was it

Anonymous
>>14528531

I second the FFT, maybe get a second mic and compare the amplitudes to see how the gasses bend the various frequencies.

Anonymous

It would be cool to try this with a parametric speaker

Anonymous

Only on Cody's Lab will use a blowtorch as a sound generator. Love that nice touch. I also agree with having a meter set up on the mic to show some feedback. This is a subtle but exciting if you think about it video.

U.S. Water Rockets

You should have used a tone instead of the torch. A pure tone would be easier to hear the changes instead of the white noise of the torch.

Michael Aichlmayr

We had a halon dump in a computer room, when someone stringing a cable, kneeled on the manual release plunger to get above the suspended ceiling. As I looked around, I could see these visible streams coming out of all the nozzles, then the gas from the nozzle right above my head hit me. I was so shocked I looked up, and simultaneously took a deep breath. I really wish I had a recording of my voice when I said, "Ohhhh... noooo... we have to go!"

Michael Aichlmayr

Now if you had a chamber full of helium, or better yet, hydrogen, you could properly get the relative weights of all the gases. 😁 The trick would be moving each one to the scale.