Logic Isn't All It's Cracked Up To Be

I was browsing the Perimeter Institute’s video library the other day and came across a talk by Gerard t’Hooft on his new cellular automaton interpretation of quantum mechanics. The theory is in the early stages of development and I understood little of what he said, but based on his opening remarks, I would bet that the idea will go nowhere and will simply waste the time of this brilliant Nobel laureate, one of the most respected physicists in the world.

Dark Matter Isn’t Matter

 Dark matter is that mysterious stuff that’s known to form halos around galaxies and galaxy clusters, but can’t be seen or—so far—detected, We first met dark matter in this post. It’s energy left in spacetime after inflation.