Happy Towel Day!
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It's Towel Day. I've got mine right here next to the computer. Incredibly useful things, towels.
Just in case you are unaware of the importance of your towel, take it away, Douglas Adams and the Hitchhiker's Guide to the Galaxy:
Dr. Free-Ride's better half taught the younger Free-Ride offspring's kindergarten class about matter this week. It was a lesson that included a working definition, some hands-on explorations of the properties of different sorts of matter, and a little magic.
There's a lot of fascinating robotics work being done these days, although it is disheartening to see how much of it is designed to help kill people or just kill them outright. But not all of it and over at Boingboing there was an example of a project designed to do household chores.
Dear student who left a 3 oz.