ELECFREAK Nezha kit Case 11: Line tracking car
Had fun doing this with some Polly Farmer (aboriginal) students
For more about ELECFREAKS (positives and negatives) see my earlier blog
NYT’s wildlife quiz
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I swear that the NYT seems to be inserting more and more fluff in the paper
in lieu of news (well, at least on the front e-page). But sometimes that’s
ok, ...
2 hours ago
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