Aliens and Photos

What else am I to conclude from recent UFO reports out of Texas, except that no one in the entire town had a cell phone with a camera? Or a digital camera? Do the aliens use data from cell phone usage and digital camera usage when they decide where to do their joy riding?
Oh, and I will be happy to update this post when photos emerge! (I grew up reading UFO books, by the way. I credit them with developing an idea for what science is and is not.)

What Is an Uncomputer?

Sean watches a panel discussion on whether the universe is a computer, looks up the definition of a computer, and decides that instead the universe is a calculation. If thinking about the universe as a computer is designed to make computer scientists feel important, thinking about the universe as a calculation seems designed to make theoretical physicists feel important 🙂 But what I find interesting is that Sean points to a question asked by Tony Leggett: “What kind of process does not count as a computation?”
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