On the weekend I had to spend some time at the airport. Something about airports has me come back to the question just what is reality anywa...

The Germans have a great history of telling tales, most of which are supposed to teach some type of lesson. One series of such tales is abou...

Last year around that time of the year I was working on a draft that re-investigated an old question, whether superluminal information excha...

I received a 2nd free copy of Chad Orzel's delightful book "How to Teach Relativity to Your Dog" ( which I reviewed here ). I ...

The "Documenta" is a major event in the German art scene. It takes place every 5 years and draws hundreds of thousands of visitor...

Connect the dots. Click to enlarge. Source . Jonah Lehrer in his book “Imagine” introduced me to an interesting study by Beeman and Kou...

You might or might not have noticed that some time during the last year I cut off my hair, getting tired of the babies pulling on it. A year...

The German Physical Society (Deutsche Physikalische Gesellschaft, DPG) has a new president, Prof. Dr. Johanna Stachel from the University o...

During the last years, I developed the distinct feeling that my opinion on the promises of open access differs from what the majorities of b...

Stefan brought a cold from work. My immune system wasn't very impressed, but the girls went down with a fever. During the night they wa...

In the late summer of 1992, I was in the long middle years of my graduate studies at Berkeley [...] midway through a Ph.D. dissertation abo...

I'm preparing a talk about the black hole information loss paradox. As I was thinking about a good way to summarize the vast number of a...

Imagine: How Creativity Works By Jonah Lehrer Houghton Mifflin Harcourt (March 19, 2012) Jonah Lehrer's book promises to address t...

"How does the world of science differ from the world of art?" was a question posed to Scott Snibbe in an interview published in th...

Sketch of GPS satellite orbits. Not to scale. Image source . In a recent PRL, James Kentosh and Makan Mohageg of California State Unive...

New information technology is a challenge for all of us, but particularly for lawyers who have to sort out the integration into existing l...

Look! Listen! I've made a music video for your smooth start into the weekend: I finally realized I won't be able to do any paint...

Europe has a plan. It's called Europe 2020 and it's "the EU's growth strategy for the coming decade." Part of that pl...

If you know anything about Loop Quantum Gravity, you know that people working on it suffer from an inferiority complex because, when countin...

This is a repost and update of a six year old post in which I listed what I think are the most interesting and pressing open problems in th...