Tag Archives: digital camera

taken with a grain of salt.

Posted on December 15, 2021 by Robert

Toronto. Science seems to vacillate between analogue and digital concepts. The earliest radio receivers used digital – a “cat’s whisker” and a speck of solid state material. Significant improvement occurred when technology shifted to analogue – vacuum tubes – then … Continue reading →

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Alkaline Dry Cells

Posted on January 4, 2017 by Robert

Toronto. I can remember when the Alkaline cells hit the market. They were touted as much more powerful and leak-proof to boot. The January 2nd, 2017 Globe and Mail had an article about Lewis Urry, born in Pontypool, Ontario and … Continue reading →

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