
How would you determine the ground state
of a quantum system with no exact SOLUTION?
The Big Bang Theory Season 8, Episode 2

Well, as usual,
Wolowitz has the SOLUTION.
The Big Bang Theory Season 1, Episode 3

It'll last forever. I preserved it in a
1-percent SOLUTION of polyvinyl acetal resin.
The Big Bang Theory Season 3, Episode 1

That is a daring and insightful SOLUTION.
The Big Bang Theory Season 10, Episode 19

Then I have a simple SOLUTION.
The Big Bang Theory Season 1, Episode 14