New Evidence for the Strange Idea that the Universe Is a Hologram
One of the great mysteries of modern cosmology is how our universe can be so thermally uniform—the vast cosmos is filled with the lingering heat of the Big Bang. Over time, it has cooled to a few degrees above absolute zero, but it can still be seen in the faint glow of microwave radiation, known […]
The Admiral of the String Theory Wars
After a decade, Peter Woit still thinks string theory is a gory mess.
In Search of Time’s Origin
What happened before the Big Bang?
Universal Remoteness: What the Multiverse Means About Us
Our Universe is vast and mostly empty. Even if many of the billions of planets we suspect are out there have life, most of the cosmos is uninhabitable, and those worlds are unreachable by any means we know. That’s just within our galaxy, which is one of about 100 billion in the part of the […]
An Overdose of Copernicus? Our Universe Might Yet Be Special
The mediocre universe… Depending on how you look at it, that is either a term of derision or an interesting, mind-warping concept. Cosmologists who are enamored of the theory that there are many, or perhaps infinite, universes like to look at our cosmic home and call it average, boring, run of the mill, vanilla. They […]