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67 points

I would question the ability to line people up on a railroad track such that they have a 1:1 correspondence with the real numbers.

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33 points

It’s totally doable because they are real people.

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16 points

Yeah, for any length of track, you would need to stack infinite people…

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12 points

If we are already dealing with infinities of peoples then we can deal just as easily with infinities of tracks. I just struggle to see what kind of power source the trolly uses to plow through that many people.

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13 points

It’s powered by screams.

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4 points

We have nuclear subs, why not nuclear trollies?

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3 points

An infinity cube, of course

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Arbitrary precision engineering

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3 points

just use a well ordering of the reals and you should be fine

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2 points

The real question for me is what unit of distance would be used for the integer representation… It could take 1 meter, 1 Km, 1 Au, or even 1 Infinity to represent the distance between every person and the next. Also, are we using a linear or logarithmic scale?

This is not to mention the lack of info on how fast the train is going, and whether or not it’s accelerating.

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