Here's why:

* Transparent materials: Allow most light to pass through them without significant scattering or absorption. Examples include glass, water, and air.

* Translucent materials: Allow some light to pass through, but scatter it in different directions, making objects appear blurry. Examples include frosted glass and some types of paper.

* Opaque materials: Block all light from passing through them. Examples include wood, metal, and thick walls.

So, transparent materials are the best at transmitting light.