Category Archives: Technology

Enigma: Crypto-Cryptography For Kids

[from my GeekDad post]

No, that’s not a typo. Graeme Base’s newest book Enigma can teach kids about cryptography, but it deserves an extra “crypto” for the clever way the subject is hidden in a story about magic, friendship, and family. Bertie Badger visits his grandfather, the retired magician Gadzooks the Great, and learns that he and the other residents have all lost their magical items. Bertie offers to search for them, meeting each of the quirky ex-tricksters in turn. The search itself is fruitless, even after the perpetrator (Grandfather’s rabbit Enigma) is found, but Bertie saves the day by showing where true magic comes from.

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Mr. Lee, the Three-Eyed Cat

[from my GeekDad post]

OK, so he’s not a mutant, but he’s no ordinary cat. Mr. Lee has been outfitted with his very own CatCam, designed and built by his owner, J. Perthold, from a keychain digital camera and some custom circuitry. The CatCam provides a peek into the daily adventures of Mr. Lee as he prowls the neighborhood.

The success of the original Mr. Lee CatCam has spawned more feline tech accessories, like the CatTrack GPS tracker and the forthcoming CatCam Live, a CatCam with integrated antenna for broadcasting live TV feeds. Each has detailed (but accessible) technical specifications and build notes; it’s obvious that Perthold is a real enthusiast.

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