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Ok how about now? (Patreon)

Published:
2017-12-11 09:34:53
Imported:
2021-10

Content

I fixed the helium being missing and added a 2nd whistle. 

Files

dog whistle 3

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

The previous one was did feel like it covered more but them together would be perfect for a follow up with better equipment for a better frequency analysis. PS time to sleep. I did miss that this is the third one

Anonymous

Now that I have seen the nr3 I think you are missing some music knowledge. My own hypothesis is that the whistle do have several harmonics and the the strongest tones is in similar frequencies. If you want, could I test my hypothesis if you could send a lossless recording.

Anonymous

So Awesome! Got me thinking too! I wonder if simple ohms law mathematics could be applied ? Except replace ohms with the mass of the glass, voltage with the frequency? Amps with the intensity, and the the watts would be hmmm decibels? Or hmm joules ? Hmm not sure on the watts or energy consumed part . But still love the video!

Anonymous

Possibly you have balloon helium, which has a significant air content. this not only keeps the cost down, but keeps those among us who might inhale this stuff from passing out due to anoxia.

Anonymous

Looks good Cody!

Anonymous
>>8820403

I believe he mentioned that- but significant for sure.

Anonymous

Why not use SF6 instead of Xe. It is denser and MUCH cheaper. (It's critical density is less than Xe so you will have to stick with Xe for your criticality experiments.)

perkindo

Awesome video Cody! One question though, would the rate of "air" flow affect the frequency/intensity of the sound?

Anonymous

I like all the experiments you do. You always do them with the same equipment we can get too. Awesome Cody

Anonymous

I would love to see you make a reactor. If it is alright.

Anonymous

I tried the experiment with a recorder (with all the holes open) and found 1.176 kHz in air (dry air from a compressor) and 2,211 kHz with pure helium. When I put the recorder in a glove bag containing helium, the frequency went up to 2.947 kHz. The helium frequencies were quite variable. Obviously the helium is mixing with air in the recorder and I did not completely remove all the air from the glove bag. The expected frequency based on the speed of sound for pure helium is 3.452 kHz.

Anonymous

I really like your videos and you seem a good person. Are you Jesus come back to tell us to be nice to each other again?

PeetieGonzalez

That's a shitty whistle, it's almost all pink noise.

Anonymous

Cody, Have you ever tried to recreate the chemical reaction of a Bombardier beetle? I know, don't try this at home.