Mirrors facing each other don’t produce infinite reflections. Each reflection will be darker than the last and eventually fade into invisibility. Mirrors absorb a fraction of the energy of the light striking them. The total number of reflections mirrors can produce? A few hundred.
100 Mind-Blowing Fade Facts
There’s a Reason US Dollars Are Green: Dollar bills weren’t always green. Colonial money, for example, was tan with black or red ink. It wasn’t until the Civil War the government started using green ink to print paper money that it got the name greenbacks. The colour was selected because the ink didn’t fade or easily decompose, which protected against counterfeiting.