Penny tries to mediate the situation, even helping Leonard pick out a suit for the presentation, but her involvement only worsens the tension between the friends.
In the The Big Bang Theory episode (Season 1, Episode 9), Sheldon and Leonard find themselves at odds after being invited to present their joint research paper, “Paradoxical Movement-of-Inertia Changes Due to Putative Super Solids,” at a physics conference. Key Plot Points [S1E9] The Cooper-Hofstadter Polarization
In the opening scene, the guys demonstrate a complicated way to turn on a lamp using a laptop signal sent around the world via the internet, simply "because we can". Penny tries to mediate the situation, even helping