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Make: Technology on Your Time Volume 25 by Mark Frauenfelder

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Photography by Bob Knetzger

Things of Science

Miniature monthly science surprises!

By Bob Knetzger

Among my childhood memories of toy gyroscopes, souvenir radiometers, and other scientific kid stuff is a unique series called “Things of Science.” I nostalgically recall its clever combination of simple yet effective elements: the anticipation of a magazine subscription combined with the mystery of a “Free Inside” cereal prize, crossed with the fascinating variety of a science fair together with the sense of accomplishment from completing a merit badge — all mailed to my house once a month in a little blue box.

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