TIL that the reason chips bags are half empty is because it is package with nitrogen gas to protect it from damage during transit

Read more: https://www.bakeryandsnacks.com/Article/2018/07/04/How-much-air-is-in-your-bag-of-chips

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  1. I assume it also has a function to protect the bags from popping due to changes in air pressure. Remember as a kid driving through the mountains and seeing bags becoming puffed out like little pillows as we got higher.

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