**Ask a monkey a physics question thread**

[OngBonga]

Ever used a compass? That's just one of the simple ways to make a perfect circle.

Um... nope. I'll emphasise the word "perfect". A compass circle isn't even going to be close to perfect, I'd be able to find imperfections with a standard microscope.

At least force me to get to molecular level to refute you.

[NightGizmo]

Um... nope. I'll emphasise the word "perfect". A compass circle isn't even going to be close to perfect, I'd be able to find imperfections with a standard microscope.

At least force me to get to molecular level to refute you.

The definition of a circle is "a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center)". So a "perfect circle" depends on your desired precision. If I need a circle down to the millimeter level, I'm not going to care if it's a few nanometers off.

By your absurd definition, you couldn't ever have a perfect circle because quantum mechanics.