wigton physics
Wednesday, 30 January 2019
Lunar eclipse part 2: lunar orbit precession
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Precession is the way in which the axis of a rotation changes orientation. In other words, it's the way in which the axis around which a...
Tuesday, 29 January 2019
Emmy Noether on In Our Time
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Last week's In Our Time on Radio 4, presented by Lord Bragg of Wigton, is about the mathematician and physicist Emmy Noether. Understand...
Sunday, 27 January 2019
Lunar eclipse part 1
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I saw part of last week's lunar eclipse but my photographs didn't work. This new camera doesn't work well in low light levels....
Friday, 25 January 2019
A surprising carbon dioxide graph
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This picture is from a display at a local attraction. It caught me by surprise. In the resources that I use to teach climate in class, the...
Thursday, 24 January 2019
Hoar frost or rime ice?
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This wire fence at Watchtree was amazing. But is it hoar frost or soft rime? Both produce spikes like this. Hoar frost is formed when t...
Wednesday, 23 January 2019
Fog bow at Watchtree
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If you look at these two pictures, you might be able to discern two halves of a white arc. It was clearer through my polarising sunglas...
Tuesday, 22 January 2019
Measuring specific latent heat
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We did an experiment to measure the specific latent heat of fusion, which means the change of state from solid to liquid. We packed a gla...
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