Last week I was asked by some school students about the nature of gravity. What is it? Isaac Newton, and a whole pile of textbooks following him, treat gravity as an attractive force between two objects. It’s a force that is proportional to the product of the masses of the two objects, and is inversely […]
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Yesterday afternoon I had to call on my car’s anti-lock braking system (ABS). For reasons best known to its driver, a car pulled out of a side road right in front of me while I was driving home after work, and I needed to stop in a hurry. I rather think the car behind me […]
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In August 1999, I had the opportunity to travel from the U.K. to Varna, Bulgaria, on the Black Sea coast, to view the European Total Solar Eclipse. Just why we ended up in Varna, as opposed to a plethora of other possibilities in Europe, is a bit of a long story, but a substantial part […]
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