How is one dimension possible?

Question

I know math states that a number line is one dimension but I never understood how it exists outside the math concept.

In: Biology

Answer 1

Lots things around us are one dimensional and it doesn’t both us, time, brightness, volume, speed, weight, just because space is 3d does not mean the concept of 1d is hard to understand. Yes the concept of a 1d object is very abstract at it limits, but a line or a string are “close” enough.