Drag the mirror (press up and down arrow keys to rotate) to change the light TO START, PRESS SPACE KEY USE TURBOWARP https://turbowarp.org/1136366593?turbo USE TURBO MODE ALSO BY PRESSING SHIFT AND CLICKING THE GREEN FLAG (The link already has turbo on)
The mirrors reflect about 99% of photons speculatively, and 1% of photons diffusively.