What’s a Photon, and How Do We Know they Exist?

A reader emailed me with a few questions regarding How to Teach Physics to Your Dog, one of which is too good not to turn into a blog post: What is a photon from an experimental perspective?… Could you perhaps provide me with a reference that discusses some experiments and these definitional issues? The short… Continue reading What’s a Photon, and How Do We Know they Exist?

Are Communications Skills Holding Science Back?

Over in yesterday’s communications skills post commenter Paul raises a question about priorities: I wonder to what extent good writers, public speakers and communicators are being promoted in science in place of good thinkers – people who can challenge prevailing dogma, invent promising novel approaches to old problems, and who have the intuition needed for… Continue reading Are Communications Skills Holding Science Back?

Quick Impressions of Bohmian Mechanics

I get asked my opinion of Bohmian mechanics a fair bit, despite the fact that I know very little about it. This came up again recently, so I got some suggested reading from Matt Leifer, on the grounds that I ought to learn something about it if I’m going to keep being asked about it.… Continue reading Quick Impressions of Bohmian Mechanics

So You’d Like to Learn Some Physics…

Via Twitter, Michael Barton is looking for some good books about physics. I was Twitter-less for a few days around the period of his request, and this is a more-than-140-characters topic if ever there was one, so I’m turning it into a blog post. The reason for the request is that he’s going to be… Continue reading So You’d Like to Learn Some Physics…