“The speed of time is 1 hour per hour, no matter what else is going on in the universe.” MatterUniverseHoursNo Matter WhatSpeed Author:Sean M. Carroll
“All the stuff we've ever seen in the laboratory, all the kinds of particles and matter and energy, that only makes up 5 percent of our universe.” KindMatterUniverseEnergyStuffPercentParticlesLaboratoryMatter And Energy Author:Sean M. Carroll
