Attack of the Advanced Self-propelled Screwdrivers
BBC News reports that, “In one of the recent attacks in Melbourne, a student was critically injured by a screwdriver.” Wonders of this modern world, don’t you know. Automatic self-willed screwdrivers on a rampage. The student was injured by a screwdriver, and not “A student was attacked by someone with a screwdriver.”

Today I installed a new commenting system — IntenseDebate. Therefore now you really don’t have to register to comment; you can just comment as “guest.” Also it allows you to get email updates of followup comments to the post or even the entire blog. But there are some things that need to be ironed out. For instance, I notice that some genuine comments are ending up in the spam queue even though before they would have gotten through. In any case, do give me feedback on this change. Also, if …