4 ms·
But visible light can't get through us at all. Does that prove that we aren't empty space? The whole point is that this criterion is incredibly ambiguous.
by knzhou 6y ago
But visible light can't get through us at all. Does that prove that we aren't empty space? The whole point is that this criterion is incredibly ambiguous.
- jcelerier 6y ago> But visible light can't get through us at all. visible light definitely gets through me when I put my hand in front of a bright light source
- deleted 6y ago[deleted]