I'm in the middle of a six week trip in Europe; currently I'm attending the Amsterdam String Workshop. I'm reminded of something that happened to me a year-and-a-half ago December when I visited the String Theory group in Amsterdam. I … Continue reading
A reader asks: This seems to be as good a place as any to ask a question about closed universes. See, in a lot of popular science books, they teach you that an "open" universe is one where space is … Continue reading
[Fixed typo in Schrodinger's equation below—AW] Previously I talked about interference, the chief weird thing about QM that makes it different from Classical Mechanics. You have to think about complex-valued "amplitudes", from which you derive (real-valued) probabilities. From this you … Continue reading
I didn't want to say anything in my tribute to Justice Scalia about the politics of filling the vacancy he left behind. However, for what it is worth, I believe that the Senate should hold hearings and confirm Judge Merrick … Continue reading
I've been SUPER busy this month what with: i) faculty job interviews at a couple places, ii) a bad cold, thankfully now over, iii) a minicourse I'm currently teaching at the University of Maryland. In the absence of a more … Continue reading
