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…
Read moreStringtime 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:…
Read moreAstrophysics 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…
Read moreLHC Black Holes: Why I’m Not Holding My Breath
The attention that these two nut-jobs are receiving is a bit discouraging. Some people do hope to see mini-black-holes at CERN, it’s true. Some calculate that we will see thousands.…
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