An oscillator too. Source: Giphy . Tl;dr: Ask me again in ten years. A lot of people asked for my opinion about a paper by Wang, Zhu,...

Tl;dr: Yes, but the testable cases aren’t the most plausible ones. It’s the year 2017, but we still don’t know how space and time get...

Gravitational Waves, Computer simulation. Credits: Henze, NASA Tl;dr: Probably not. Last week I learned from New Scientist that “ Gr...

Here is the third and last of the music videos I produced together with Apostolos Vasilidis and Timo Alho, sponsored by FQXi . The first two...

Is the black hole information loss paradox really a paradox? Tim Maudlin, a philosopher from NYU and occasional reader of this blog, doesn...

I'm in Munich next week, playing with the philosophers. Be good while I'm away, back soon. (Below, the girls, missing a few teeth.) ...

You have all been waiting for this. The first ever song about quantum entanglement, Boltzmann brains, and the multiverse: This is the ...

Pope Francis meets Stephen Hawking. [Photo: Piximus .] My husband is a Roman Catholic, so is his whole family. I’m a heathen. We’re both...

“Any publicity is good publicity” is a reaction I frequently get to my complaints about flaky science coverage. I find this attitude disturb...

Thanks to BBC, I will now for several years get emails from know-it-alls who think physicists are idiots not to realize the expansion of the...

I have many shortcomings, like leaving people uncertain whether they’re supposed to laugh or not. But you can’t blame me for lack of vision....

A Big Bang in a Little Room: The Quest to Create New Universes Zeeya Merali Basic Books (February 14, 2017) When I heard that Zeeya Mera...

Flying pig. [ Image: clipartfest.com ] Why aren’t there any particles that fall up in the gravitational field of Earth? It would be so h...

The Particle Zoo: The Search for the Fundamental Nature of Reality By Gavin Hesketh Paperback Edition Quercus (15 Jun. 2017) A few we...

“Dear Dr. B, Why do physicists worry so much about the black hole information paradox, since it looks like there are several, more mundane...