Knowledge is like love; it’s not brought about by trivialities and is a term that is often used far more casually than it should be. It takes time to prove, effort to build, and dedication to demonstrate.
I asked him if that was an error. After all, blue light has a higher energy than red, and it is impossible to emit higher energy than what is being input. Apparently, I was the only one in the room with this concern. He smiled knowingly. "I wondered if anybody would catch that," he said