"It becomes very tempting to ask whether, in principle, it's possible to create a universe in the laboratory—or a univ…"

"The Big Bang theory says nothing about what banged, why it banged, or what happened before it banged."

"It turns out that the energy of a gravitational field—any gravitational field—is negative. During inflation, as the u…"

"We should not act like we know that the universe began with the Big Bang... we'll see that there are strong suggestio…"

"What the Big Bang theory tells us, is that at least our region of the universe 13.82 billion years ago, was an extrem…"

"The conventional Big Bang theory does not say anything about what caused the expansion. It really is only a theory ab…"

"The conventional Big Bang theory says nothing about where all the matter came from. The theory really assumes that fo…"

"In short what I like to say is that the Big Bang says nothing about what banged, why it banged, or what happened befo…"

"Inflation is a prequel to the conventional Big Bang theory. ...It does provide a theory of the propulsion that drove …"

"The recent developments in cosmology strongly suggest that the universe may be the ultimate free lunch."