Apparently it was the longest solar eclipse in a century (people say it’s the longest solar eclipse of the century – but that isn’t saying much). Planetfunn posts some beautiful, beautiful pictures of this astronomical phenomenon:
http://planetfunn.blogspot.com/2009/07/longest-solar-eclipse-of-century-33.html
Archive for July, 2009
24 Jul
Celestial Beauty
20 Jul
Degenerate Multivariate Gaussians
Warning: Facebook users, click “View original post” in order to actually see the notation. Also, a pretty technical post.
I need some help. So these days I’m writing some code to calculate a multivariate Gaussian probability density function. It’s a generalization of the standard Normal distribution density function, where instead of a single mean and [...]
18 Jul
Sleep Solving
In Len Adleman’s Logic class I took over a year ago, he remarked that one of his favorite ways of conducting research was through sleep. Go to bed thinking really hard about a problem, he says, and in the morning you might find that you have a solution. This, of course, would be amazing if [...]
16 Jul
All hail the new blogheads!
Let’s welcome my friend and colleague Joseph Bebel to the blogosphere! After years of coercing, he finally gave in with Presumably Correct. His last post on “Anti-Inductive Logic” is quite funny; perhaps there are other modes of logic that work equally well as induction (that is, if something has happened for the past thousand days, [...]
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