How can I determine my robot's location reliably and cheaply? [more inside]
posted by godawful on Jan 21, 2009 - 4 answers

Digital photo filter (-orbs, please!): What's with the light blotches that have suddenly started appearing in my pix of very dark things? [more inside]
posted by dpcoffin on Aug 22, 2008 - 3 answers

My wife's '98 Honda Accord's engine light is on. Help me troubleshoot it to cross-check the mechanic's diagnosis. [more inside]
posted by blastrid on Jul 26, 2008 - 17 answers

What else can be sensed passively? [more inside]
posted by viewofdelft on Jul 17, 2007 - 17 answers

I'm at a loose end with a sound installation project for Uni. I've been having a really bad year, I can't get enough sleep, I've got tons of other work to do, I'm sick of being a student, and I'm just not feeling inspired enough to even come up with a decent idea. The "idea" that I have come up with is laughable and is probably going to cost me a fortune, not to mention my degree. So any help would be appreciated. [more inside]
posted by iamcrispy on Nov 16, 2005 - 17 answers