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We are back to "Massive Black Holes" Happy Birthday Alberto! Alberto Sesana (AEI) leads off with "Probing massive black holes with space-based interferometry and pulsar timing" starts with overview of gravitational radiation - characteristic frequencies, amplitudes, timescales Baby Black Holes - up…
A while ago, Nature did a study comparing wikipedia to Britannica (you can read my take on it here - oh, just look at the title I used :-). Now it seems that Britannica weren't very happy about the results, and have responded: We discovered in Nature's work a pattern of sloppiness, indifference to…
Moving on with the morning, once again, I had to make a tough choice. OK, in this case, it wasn't that tough, really, as this was the session I was looking forward to all along: Science online - middle/high school perspective (or: 'how the Facebook generation does it'?) , led by Stacy Baker and…
Yes, it's a Kaspar Schott, you're right. Vintage 1664. And just how would you determine the depth of well? We're pleased to announce that this week's alternative sponsor for The World's Fair is none other than "How to Determine Depth of a Well." It's from Joco-Seriorum Naturae et Artis, by…