The Michelson-Morley experiment (read the original paper here) is one of the first textbook experiments that you learn about in support of the light postulate. From this postulate, together with…
Michelson-Morley meets Quantum Mechanics
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New Directions in Foundations of Physics 2008
On Friday afternoon, John Norton and I packed our bags and headed East to Washington, D.C., for the annual New Directions in Foundations of Physics conference. Here’s a little taste…
Relativistic Rolling Ball
I’ve been thinking about this problem all morning. Imagine a homogeneous spherical mass that rolls along a flat plane without slipping, with uniform velocity v in the lab frame. Consider…
Stringtime in Pittsburgh
Yes, last weekend it was Stringtime here in Pittsburgh! (No, we don’t have the good taste to resist that pun.) Here’s the Part I of my report. First, the background:…
Astrophysics with Ice Cube
The article is available here. That’s right. If you thought that identifying galactic cosmic rays was funky, try doing it with IceCube. Wes sai! Apparently, IceCube has recently been involved…