physics

Pixar's new movie, UP, raked in a healthy $68 million in ticket sales over the weekend, and seems poised to be another hit for the Oscar-winning animation studio. It's the tale of an elderly curmudgeon named Carl Frederikson (voiced by Ed Asner) who decides to get away from it all via a unique mechanism: he strings an enormous bunch of helium-filled balloons to his house, lifting it high into the air.