> Fun and almost useful, but not bright.

yeah, that was my conclusion.

More technical details here, BTW:  https://www.googlesciencefair.com/en/pro=
jects/ahJzfnNjaWVuY2VmYWlyLTIwMTJyRAsSC1Byb2plY3RTaXRlIjNhaEp6Zm5OamFXVnVZM=
lZtWVdseUxUSXdNVEp5RUFzU0IxQnliMnBsWTNRWXA2ZVVBZ3cM

BillW


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