wigton physics

Sunday, 26 July 2020

Wigton stained glass: why time is not symmetric

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Look at the dove in this stained glass in St Mary's Church. Is it about to land or has it just taken off? From this still image it is ...
Saturday, 25 July 2020

What is a seiche?

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In 2013 I posted about an observation that the wind seemed to be driving the water of a lake to one end - I wondered about more water pili...
Thursday, 23 July 2020

Ductile near Birmingham

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Ductile has been a word for which I've seen different definitions over the years. One was that it meant that a material could be pulle...
Wednesday, 22 July 2020

This week's updated Covid graph

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I wasn't expecting to get data this week because of controversy about the figures being reported but it turns out that the Office for ...

What's a riffle? Ben Gill, Ennerdale

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We were on Crag Fell in Ennerdale when I found this notice at the top of a precipitous stream called Ben Gill.  A bit of research found ...
Saturday, 18 July 2020

Weekly Covid log graph update and the upcoming data correction

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I added the data point for the week that ended on 15 July. A 7-day rolling mean of 77 kept my line straight. Yesterday it was announced th...
Monday, 13 July 2020

Effective R number

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It turns out that the R number that the government puts out is not the number who can potentially be infected by one person but the number w...
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