Library

Quantum is so beautiful, like water, sometimes I can see it, sometimes I can't. Sometimes it understands that I'm watching it. For it, observation is sometimes like a key that opens its door, and sometimes it is like a sharp sword that cuts off all its unknown possibilities. I don't know if I will continue to eat the McDonald's I ate yesterday, but when you hold my hand and tell me, it might be a good choice to try the new fast food restaurant downstairs for a change of taste. The moment we step into the fast food restaurant, in this world, all the superposition possibilities will always collapse and stop beating.