Yesterday I learned:
1) Uniball signo 0.7mm pens *do not* bleed under isopropyl alcohol. So much for my kitchen chromatography experiment.
2) How to 3D print! My new roommate just acquired a 3D printer, and we've been busily printing test pieces to see how far we can push the precision and smoothness. The stuff we print comes with a surprising amount of hairy stringy things -- anyone know how to get rid of those? Also, what should we print?
3) Apparently you *don't* need javascript to communicate between HTML and PHP (unless you really want intermediate computation to happen client-side). Wish I'd know this nine months ago. -_-
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