ExigeEvan
Premium
- 17,192
So, I was watching Man Utd v Chelsea in the Student Union today and in my boredom (can't say I find an entire football game that fun, but it beat revision) it occured to me that the projection screen was white and yet the projector was able to show black.
Now from my understanding black comes about from the absence of reflected visible light. So how can you project black?
Or did I just fall asleep in my physics A level lectures?
Now from my understanding black comes about from the absence of reflected visible light. So how can you project black?
Or did I just fall asleep in my physics A level lectures?