21:17
"That's the secret that we physicists have never told you..." (15:45) Spoiler Alert! ;-) Watch the full video to understand what really matter(s) in this universe:
Sean Carroll - The Particle at the End of the Universe
http://youtu.be/RwdY7Eqyguo
Sean Carroll - The Particle at the End of the Universe
http://youtu.be/RwdY7Eqyguo
Sean Carroll - The Particle at the End of the Universe
![](/data/s/cf66/134045/c2d4_810x455.jpg)