#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

4030.799 - 4055.696 Sean Carroll

The fact that dark energy pervades the whole universe and is slowly changing, that should immediately set off alarm bells because particle physics is a story of length scales and time scales that are generally, guess what? Small, right? Particles are small. They vibrate quickly. And you're telling me now I have a new field and its typical rate of change is once every billion years, right?