Ridiculous. What does “not work” even mean? If you block 90% of a surface, that area is blocked. Of course, not all of it. I mean: photons are even smaller, a

Ridiculous. What does “not work” even mean? If you block 90% of a surface, that area is blocked. Of course, not all of it. I mean: photons are even smaller, and they happen to be blocked. Yes, this is not a good example but it is not totally wrong.