A more convenient form of vanity press than one's website, and therefore more conducive to getting ideas posted before they flit away. Also, with more convenient ways of carrying on dialogue, of course.
That is, just like any blog. Oh, except the seriously focused ones. This one will have the usual dose of politics, and considerably more of science than most.
As to the name—it honors Sherlock Holmes, Buster Keaton, and my father.