If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by ...
Tenets of quantum mechanics and special relativity, among other theoretical ideas, lead inexorably to string theory.
I love the String object's Format method. It's an unusual application where I'm not using it to build messages. (Long ago and far away, I used to use it to assemble SQL statements.) Typical code looks ...