visitors this year: 1,172 If you could look inside an old replaceable laptop battery pack like this you’d find 4 or 6 cells. Usually the cells are 18mm diameter, 65mm long and are called...
rogerfrost.com is a compendium of ideas for using technology with sciencey questions in mind. Started in 1995 to offer ideas to school science teachers, its coverage now extends to gadgets, home automation, home living and sensors to help understand what’s going on around the house.
It’s fully indexed so you can use keywords and the search box above to find content.
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Roger Frost (his cv) has been writing about technology since 1988 and this web includes his articles; tutorials, lesson outlines and radio interviews.
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