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Tuesday, January 25, 2011

Ooooh a secret!

All rolled up in a soldered glass vial! The page is from a 1869 dictionary page, but I won't tell you what it says because--it's a secret!

Sunday, January 09, 2011

iDroste app

Very cool, isn't it? I took a picture of the clock we have over the mantel, and then used an app called iDroste, which turns the picture into a spiral. There are sliders for choices like iterations and centering and transparency--would have loved to have something like this when I was teaching geometry and trig!

Wednesday, January 05, 2011