“But nothing is ever truly zero,” Sof interrupted looking at them puzzled.

“Exactly, the zero just indicates the lowest energy level in existence. The quantum uncertainty principle means nothing can ever truly come to a standstill.”

“Yes yes, that’s obvious, but why do they call it Zero?”

“It’s, um, Albert Einstein coined the phrase,” Sol said looking baffled.

“A zero that isn’t zero. I like that. So how do I use it?”