Why Do Things Look Darker When They're Wet?

The video explains how light interacts with objects, focusing on reflection, refraction, and absorption. It uses the example of spilling water on a shirt to illustrate how light behaves differently when it encounters various materials. The video also covers total internal reflection, explaining why a wet shirt appears darker due to increased light absorption.

How does total internal reflection affect the appearance of a wet shirt?

Why does a shirt appear darker when it is wet compared to when it is dry?