Bernadette: Raj, you should have seen Leonard's experiment. The interference pattern was so cool when the electron beam was on.
Leonard: I'm glad you enjoyed it. Most people aren't that interested in what I do.
(Penny and Sheldon look up)
Penny: (clears throat): Actually, that's not true, Leonard. In fact, recently I've been thinking that, given the parameters of your experiment, the transport of electrons through the aperture of the nano-fabricated metal rings is qualitatively no different than the experiment already conducted in the Netherlands. Their observed phase shift in the diffusing electrons inside the metal ring already conclusively demonstrated the electic analogue of the Aharonov-Bohm quantum interference effect. (she looks at Sheldon, who nods) That's it. That's all I know.
Sheldon: Your shoes are delightful. Where did you get them?
Sheldon: Bazinga. I don't care.
Sheldon: Now remember, Newton realized that Aristotle was wrong and force was NOT necessary to maintain motion. So, let's plug in our 9.8 m/s² as 'A' and we get force (earth gravity) = mass x 9.8 meters per second per second. So, we can see that ma = mg, and what do we know from this?
Penny: ... Um... We know that... Newton was a really smart cookie. OH! Is that where Fig Newtons come from?
Sheldon: No. Fig Newtons are named after a small town in Massachusetts. (she starts to write) No, don't write that down!
Sheldon: (after losing at Mario Kart) That's not fair; I got stuck behind a tree!
Raj: And a cow and a penguin. Face it, dude, whether it's a real car or a virtual cartoon car, you can't drive.
Bernadette: Ooh, I like your shoes.
Penny: Oh, thanks, they are cute, aren't they?
Bernadette: Where'd you get 'em?
Penny: Shoes for Less.
Bernadette: I've been meaning to go over there.
Penny: Oh, great selection, great prices.
Sheldon: My mother was right; Hell is real.
Leonard: The more the merrier.
Sheldon: No, that's a false equivalency. More does not equal merry. If there were 2,000 people in this apartment right now, would we be celebrating? No, we'd be suffocating.
Sheldon: Where's your notebook?
Penny: Um, I don't have one.
Sheldon: How are you going to take notes without a notebook?
Penny: I have to take notes?
Sheldon: How else are going to study for the tests?
Penny: There's gonna be a test?
Sheldon: Why are you crying?
Penny: Because I'm stupid.
Sheldon: Well, that's no reason to cry. One cries because one is sad. For example, I cry because others are stupid, and that makes me sad.
This episode's end titles has Chuck Lorre's Vanity Card #270.
Original Title: "The Athens Recurrence" (changed before airing)
The Italian title is "Progetto gorilla", and the German title is "Das Gorilla-Projekt", both meaning "Gorilla Project". The French title is "La Physique pour les nulles", meaning "Physics for Dummies". The Spanish title is "El experimento: Gorila", and the Mexican title is "El experimento de gorila".
International Airdates: Latin America: January 19, 2010 on Warner Channel; Australia: March 8, 2010 on Channel 9; United Kingdom: April 29, 2010 on E4; Finland: November 22, 2010 on Sub; Turkey: December 6, 2010 on CNBC-e; Czech Republic: December 16, 2010 on Prima COOL; Slovakia: October 28, 2011 on Markiza
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