Category: Education

Why Does E=mc2? by Brian Cox and Jeff Forshaw

I want to like this book more than I do. As a general matter, this is exactly the sort of science book we need more of. As you can probably guess from the title, Why Does E=mc2? sets out to explain Einstein’s theory of relativity, and does an excellent job of it. It presents a… Continue reading Why Does E=mc2? by Brian Cox and Jeff Forshaw

Accelerated Twins: The Answer

Yesterday’s post on a variation of the “Twin Paradox” with both twins accelerating was very successful– 337 people voted in the first poll question, as of a little before 9am, and the comments to the original post are full of lively discussion. That’s awesome. I wish I could take credit for it, but the problem… Continue reading Accelerated Twins: The Answer

Physics Quiz: Accelerated Twins

Just about everybody has heard of the Twin Paradox in relativity: one twin becomes as astronaut and sets off for Alpha Centauri, the other remains on Earth at mission control. Thanks to time dilation, the two age at different rates, and the one who made the trip out and back ends up younger than the… Continue reading Physics Quiz: Accelerated Twins

Fifty Years of Solutions Finding Problems

2010 marks the 50th anniversary of the invention of the laser. To mark the occasion, the American Physical society has launched LaserFest, which will involve a large number of public events over the next year. The website includes a bunch of cool things explaining the physics of lasers, and a timeline of laser history with… Continue reading Fifty Years of Solutions Finding Problems

How to Teach Physics to Your Dog: All the News That’s Fit to Keep Off the Web Page

A few weeks back, I spoke on the phone with a freelance writer who was doing a piece for the Albany Times Union. She was putting together a joint article on How to Teach Physics to Your Dog and the Atomville book put together by Jill Linz and Cindy Schwarz (at Skidmore and Vassar, respectively).… Continue reading How to Teach Physics to Your Dog: All the News That’s Fit to Keep Off the Web Page

Public Knowledge of Science: The More Things Change, the More They Don’t

The NSF’s Science and Engineering Indicators report came out not too long ago, and the bulk of it is, as usual, spent on quasi-quantitative measures of scientific productivity– numbers of degrees granted, numbers of patent applications for various countries, etc. I find all of those things pretty deeply flawed, so I tend to skip past… Continue reading Public Knowledge of Science: The More Things Change, the More They Don’t

Seven Essential Elements of Quantum Physics

The previous collection of things everyone should know about quantum physics is a little meta– it’s mostly talking up the importance and relevance of the theory, and not so much about the specifics of the theory. Here’s a list of essential elements of quantum physics that everyone ought to know, at least in broad outlines:… Continue reading Seven Essential Elements of Quantum Physics

Four Things Everybody Should Know About Quantum Physics

Derek Lowe has a post talking about things biologists should know about medicinal chemistry. It’s a good idea for a post topic, so I’m going to steal it. Not to talk about medicinal chemistry, or biologists, of course, but to talk about my own field, and what everyone– not just scientists– should know about quantum… Continue reading Four Things Everybody Should Know About Quantum Physics

Idiotic Football Physics: The Highest Point

Picking on stupid things that sports commentators say is the ultimate “Fish. Barrel. BLAM!” sort of activity, but this morning on the way to drop SteelyKid at day care, Mike and Mike kept repeating one of the absolute dumbest things that football commentators say. They were talking about Larry Fitzgerald of the Arizona Cardinals, and… Continue reading Idiotic Football Physics: The Highest Point