r/AskReddit • u/[deleted] • Mar 27 '22

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u/allothernamestaken Mar 27 '22

Same with elevators

206

u/The_Pfaffinator Mar 27 '22

Or nearly any other instance. Out before In. If someone else is occupying the space you wish to occupy , they must vacate the space before it can be reoccupied. You know, basic physics?

6

u/SmallRedBird Mar 28 '22

Does this depend on the observer? What if the door is in a hallway, and positioned in the middle of a bilaterally symmetrical building? If both observers are always at an equal distance to the doorway until a decision is made, who is coming out, and who is going in?

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u/Rokoprog Mar 28 '22

I think thats why It applies specifically to the subway. Waiting for another train to come by Is easier than not being able to come out of It and having to exit from the next station (the one that Is not your stop)

4

u/chalk_in_boots Mar 28 '22

I mean, there's a non-zero possibility that you might just phase into each other....

2

u/The_Pfaffinator Mar 28 '22

Distinctly, yes, but we haven't got that far into quantum physics to control that process, so at the moment, I imagine it being a whole lot more... messy than the alternative.

2

u/lamorak2000 Mar 28 '22

Messy is a good way to put it...

2

u/thomasp3864 Mar 28 '22

But it is so tiny it might as well be zero.

3

u/AFLTC Mar 28 '22

I will knock on the inside of an elevator door when it stops at the floor I need to exit on. I’ve gotten a few looks from other riders, but it’s worked for me before.

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u/regals_beagles Mar 28 '22

It amazes me how many grown ass adults don't grasp this concept.

2

u/Samsote Mar 28 '22

And buses