gerrad: sheldon, played so wonderfully by jim parsons, injected this humanity into him. andy greene: you care a lot more about sheldon. he's - he's not comic relief. he's sort of the hero in a weird way. howard: sheldon, what the hell are you doing? sheldon: same thing i've been doing for 3 days! trying to figure out why electrons behave as if they have no mass when traveling through a graphene sheet. bernadette: with marbles? sheldon: i needed something bigger than peas, now didn't i? chuck: what makes these characters wonderful is they want to be included. gerrad: and then there's the very beautiful penny who lives across the hall from sheldon and leonard. leonard: oh, welcome to the building. penny: oh, thank you! maybe we can have coffee sometime. leonard: oh great! penny: great. sheldon: great. leonard: great. andy greene: she's funny, but they show her as having a fraction of their iq. howard: howard walowitz, caltech department of applied physics. you may be familiar with some of my work, it's currently orbiting jupiter's largest moon, taking high resolution digital photographs?