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Created by wiseguy 16 months ago for
Eric Weinstein
Eric Weinstein
The towel core is the space of all rulers that could go at any point.
Eric Weinstein
Eric Weinstein
Every point on the hairband goes through one line / ruler in the length wise direction of the tube.
Eric Weinstein
Eric Weinstein
Now imagine you could have physics happening not on the line but on the tube, like temperature.
Eric Weinstein
Eric Weinstein
and the only thing you could record was the temperature at the point at which the band was around.

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