Seriously, why is it blue, not green or orange? This is one of the classic science questions. Simple enough that a five-year old can ask it, but containing a lot of science – the answer tells us a lot about how the universe works. I was reminded of it on Monday. I was at a biological […]
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My algorithm for selecting a butter/margarine-type-thing when shopping is simple, and not very scientific. I avoid butter, partly because I think it is bad for you, but mostly because it is a pain to spread straight from the fridge. I am not organised enough to take it out of the fridge early.
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Over Easter I have been reading a short fun book on statistics by Uri Bram, called Thinking Statistically. This trots through some of the obvious pitfalls in reasoning that statistical reasoning can help you avoid, including the absolute classic: selection bias. I have also been listening to news and phone-in radio programs about the benefit […]
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I am teaching part of an electromag course this semester but I am doing the maths bit of the course, so I’m not doing much electromag, apart from doing stuff like getting the students to calculate the electrostatic potential inside a spherical cavity. This is a bit of a shame as this means I don’t […]
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On 16th January 1943 in Portland, Oregon, USA, the air was split by a crack so loud that it could be heard over a mile away. It was the sound of the tanker SS Schenectady breaking in two. The Wikipedia page with a rather impressive picture of the snapped-in-two tanker is here. It is believed […]
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