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obnoxygen t1_j0pyx92 wrote

The helium goes into your lungs while a beverage goes into your stomach. You might be able to affect a change in the pitch of your burps.

As an experiment you could drink some nitro pepsi or guiness nitro ipa, record the ensuing belching and play it in to a spectrum analyzer to quantify the belch pitch change.

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wooly_boy t1_j0r5grg wrote

Can someone please do this and post video?

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Indemnity4 t1_j0rxsjd wrote

Not going to work.

Air is already 80% nitrogen gas and ~20% oxygen. You won't get any appreciable change in the gas composition by inputting more nitrogen.

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NocteStridio t1_j0tnuij wrote

It might be different, the two main things we belch are co2 from carbonated beverages or gasses released by gut bacteria metabolisms

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