@BoingBoing We use cabochons for magnification too, but with a different outcome! http://www.olpcsf.org/node/205
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BoingBoing@drskyskull yay physics!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BoingBoing news like "glass doorknob focusses sun: bedroom fire" always sound like mythbuster-material to me.#xkcd http://xkcd.com/509/Thanks. Twitter will use this to make your timeline better. UndoUndo
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