Why is it interesting?
The quantum field theory vacuum is highly entangled. Anaccelerated observer sees a bath of thermal particles S. Caroll
Layman
Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party.
Student
In this section things should be explained by analogy and with pictures and, if necessary, some formulas.
Researcher
The motto in this section is: the higher the level of abstraction, the better.
Examples
FAQ
History