Thursday night carpe_noctum_93 and I went to a public lecture at the University of Minnesota. The speaker was Mike Brown, author of the excellent book How I Killed Pluto and Why It Had It Coming, and that was the topic of the lecture. He was informative, convincing, and very funny. Continue reading
I went there this afternoon and saw lots of cool stuff. Some pictures behind the cut.
From the OldTools list.
Irish Class, April 9, 2012
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We are back to something like normal early spring weather in Minnesota, which means the temperature may drop below freezing. I have not looked up how low it got last night, but as of 7AM this morning it was 25oF/-3oC.
We have a cherry tree in the front yard. mia_mcdavid set up a garden hose to sprinkle it during the night. The idea was that the running water would keep the blossoms from freezing. It might not have worked, but the results this morning were visually impressive Picture behind cut.
600,000 Infected With Flashback
The days when Apple users could be confident about the lack of malware and trojans on Mac platforms seem to be long gone.
‘Faster-than-Light’ Neutrino Team Leaders Resign
To the physics community’s credit, while many were skeptical, most took the findings seriously rather than dismissing them out of hand. Conrad says she attended at least three conferences where a great deal of time was devoted to studying the results, pondering different explanations or theories.
From Sean Carroll
Irish Class, April 2, 2012
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Some surprising (to me, anyway) information about the history of the Golden Ratio. Also a cool animation of how to construct a pentagon by straight-edge and compass, and also (by cheating) a heptagon.
