Midway through the 1800s, the English scientist Michael Faraday had the forethought to deliver a series of lectures on an object that was commonplace in Victorian Britain, as a way to get young minds hooked on science.
He chose a candle.
A century later, a newly appointed elementary school teacher in Osaka familiar with Faraday's book "The Chemical History of a Candle" introduced it to her class.
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