And we know they do, because it's trivial to observe. Without paper it would be totally opaque, you would just have a raw number and nothing else.
https://www.youtube.com/watch?v=JTvQXQLoq8Q
And we know they do, because it's trivial to observe. Without paper it would be totally opaque, you would just have a raw number and nothing else.
https://www.youtube.com/watch?v=JTvQXQLoq8Q