Big Bang Theory Quote 9310

Quote from Penny in the episode The Holographic Excitation

Penny: So, what are you working on right now?
Leonard: It's actually pretty neat.
Penny: Yeah?
Leonard: Yeah. It's a front-projected holographic display combined with laser-based finger tracking. Here, I'll show you. We'll just put this pencil over here.
Penny: Sharp. Thanks to the machine we saw earlier.

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