Concepts like these can seem remote, until you explain with analogies taken from everyday life. But unfortunately some ideas do not lend themselves to familiar analogies.
While explaining crystal structure to college students, as quoted in Ping-Pong makes physics come alive, The Deseret News (March 19, 1989)
We are trying to understand the implications of quantum mechanics. The subject is very old, but we are still learning.Leonard Mandel
It's kind of interesting to show that the strange features of quantum mechanics are actually observed. We still don't totally understand what it means.Leonard Mandel