“The Universe Should Not Have Lasted for More than a Second”: The limitations of scientific theories

Stan Hummel called my attention to, and asked for my thoughts on this article: Big Bang Theory Challenged --"The Universe Should Not Have Lasted for More than a Second". British cosmologists are puzzled: they predict that the universe should not have lasted for more than a second. This startling conclusion is the result of combining the … Continue reading “The Universe Should Not Have Lasted for More than a Second”: The limitations of scientific theories

BICEP2 team publishes results, backpedals on certainty

The BICEP2 team have officially published their results.  They had announced to much fanfare back in March, that they had detected primordial gravitational waves, and hence cosmic inflation.  But the results have increasingly been met with doubt, primarily centered on the possibility of interstellar dust causing the observed results. From a New Scientist article on the published paper: It … Continue reading BICEP2 team publishes results, backpedals on certainty

The Big Bang’s Identity Crisis – The Nature of Reality

Think of the Big Bang, and you probably imagine a moment in time when matter, energy and space itself all burst into existence at once. Yet many astrophysicists now believe that the “Big Bang” was actually two distinct events: first the inaugural instant of space and time, and second the generation of most of the … Continue reading The Big Bang’s Identity Crisis – The Nature of Reality

Max Tegmark posts his chapter on cosmic inflation online

If you enjoyed my write up on Tegmark's Level II multiverse, you might enjoy this guest post that he makes on Sean Carroll's blog, which includes a link to the chapter on inflation from his book, including those visual aids I referenced! Since the BICEP2 breakthrough is generating such huge interest in inflation, I’ve decided … Continue reading Max Tegmark posts his chapter on cosmic inflation online

Tegmark’s Level II Multiverse: bubble universes

I recently finished reading Max Tegmark’s latest book, ‘Our Mathematical Universe‘, about his views on multiverses and the ultimate nature of reality.  This is the second in a series of posts on the concepts and views he covers in the book.  Tegmark postulates four levels of multiverse.   In the first post of this series, I described Termark's Level I … Continue reading Tegmark’s Level II Multiverse: bubble universes