I'm going to be in a tiny village in France called Peyresq, for a quantum gravity workshop. There won't be any internet access (except possibly for a hotel at the beginning and end), so don't expect much posting during that … Continue reading
The next piece of evidence we will consider for the beginning of the universe is the Second Law of Thermodynamics. I sometimes call this the "Ordinary Second Law" to distinguish it from the "Generalized Second Law" which involves black holes … Continue reading
A reader named Ken Murphy asks: In Ps. 110:4 the word LORD is spelled in all capitals. Why? It stands for YHWH, the proper name of God which was revealed to Moses at the Burning Bush (Exodus 3:14-15), which is … Continue reading
Having pointed out that the BVG theorem presupposes the existence of a classical spacetime, Carroll goes on to cite some evidence that the universe did not have a beginning, based on quantum mechanics (QM): If you need to invoke a … Continue reading
There is a theorem due to Borde, Guth, and Vilenkin which might be taken as evidence for a beginning of time. Roughly speaking, this theorem says that in any expanding cosmology, spacetime has to be incomplete to the past. In … Continue reading
