"Hello, everyone. Welcome back. Today we'll be learning about
quantum mechanics, which refers to the study of the way in which molecules, atoms, electrons, protons, and other subatomic particles interact with each other."
She went on to explain the
theory, as well as the
interactions with other subjects they'd studied, as well as its
practical applications.
Then, she placed a sealed box on the table. "Inside this box is a
cat. This cat may be either alive or dead, or perhaps both. At what point does this cat cease to be alive? Can it be alive and dead at the same time, if we don't know what the state is?"