Eli5.When you see a kid get their head stuck in the railings, why are they not able to get their head back through the same space again?
In: Other
Put your finger in the plastic top of a coke lid from McDonald’s and then pull,
Somethings fit easy one way, but difficult to come back the same way, ears etc are easy to flatten going forward but in reverse it doesn’t have the same shape this stuck.
But hopefully someone can have a more scientific answer 😃
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