Category Archives: Science

Thanksgiving

This year we give thanks for a feature of the physical world that many people grumble about rather than celebrating, but is undeniably central to how Nature works at a deep level: the speed of light. (We’ve previously given thanks … Continue reading

Posted in Science | 23 Comments

Gifford Lectures on Natural Theology

In October I had the honor of visiting the University of Glasgow to give the Gifford Lectures on Natural Theology. These are a series of lectures that date back to 1888, and happen at different Scottish universities: Glasgow, Aberdeen, Edinburgh, … Continue reading

Posted in Big Picture, Philosophy, Religion, Science | 10 Comments

Talking About Dark Matter and Dark Energy

Trying to keep these occasional Facebook Live videos going. (I’ve looked briefly into other venues such as Periscope, but FB is really easy and anyone can view without logging in if they like.) So here is one I did this … Continue reading

Posted in Science | 50 Comments

Entropy and Complexity, Cause and Effect, Life and Time

Finally back from Scotland, where I gave a series of five talks for the Gifford Lectures in Glasgow. The final four, at least, were recorded, and should go up on the web at some point, but I’m not sure when. … Continue reading

Posted in Big Picture, Science, Time | 27 Comments

Consciousness and Downward Causation

For many people, the phenomenon of consciousness is the best evidence we have that there must be something important missing in our basic physical description of the world. According to this worry, a bunch of atoms and particles, mindlessly obeying … Continue reading

Posted in Big Picture, Philosophy, Science | 421 Comments

Maybe We Do Not Live in a Simulation: The Resolution Conundrum

Greetings from bucolic Banff, Canada, where we’re finishing up the biennial Foundational Questions Institute conference. To a large extent, this event fulfills the maxim that physicists like to fly to beautiful, exotic locations, and once there they sit in hotel … Continue reading

Posted in Philosophy, Science | 102 Comments

You Should Love (or at least respect) the Schrödinger Equation

Over at the twitter dot com website, there has been a briefly-trending topic #fav7films, discussing your favorite seven films. Part of the purpose of being on twitter is to one-up the competition, so I instead listed my #fav7equations. Slightly cleaned … Continue reading

Posted in Science | 47 Comments

Space Emerging from Quantum Mechanics

The other day I was amused to find a quote from Einstein, in 1936, about how hard it would be to quantize gravity: “like an attempt to breathe in empty space.” Eight decades later, I think we can still agree … Continue reading

Posted in arxiv, Science | 70 Comments

Father of the Big Bang

Georges Lemaître died fifty years ago today, on 20 June 1966. If anyone deserves the title “Father of the Big Bang,” it would be him. Both because he investigated and popularized the Big Bang model, and because he was an … Continue reading

Posted in Science | 150 Comments

Did LIGO Detect Dark Matter?

It has often been said, including by me, that one of the most intriguing aspects of dark matter is that provides us with the best current evidence for physics beyond the Core Theory (general relativity plus the Standard Model of … Continue reading

Posted in arxiv, Science | 62 Comments