wigton physics
Monday, 28 February 2022
Half-value thickness for aluminium
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First of all I measured the background count over a long integration time. I clamped a beta source to fire through aluminium into a GM tube ...
Sunday, 27 February 2022
Efficiency of a wind turbine
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Applying yesterday's wind power formula to one of the turbines at Watchtree where the swept area is 1735 square metres , I would get a...
Saturday, 26 February 2022
Wind pump at Wicken Fen
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We found this wind pump at Wicken Fen the day after Storm Eunice. It is to pump water up to keep the fen wet. The wind was strong so I esti...
Thursday, 24 February 2022
Do wind turbines blades all rotate at the same speed?
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It's been incredibly windy at Watchtree but the turbines never seem to spin faster. In other words, their angular velocity seems to be...
Wednesday, 23 February 2022
I'm on a roll: inclined plane
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If you place a cylinder such as this chocolate roll on an inclined plane, it could get to the bottom in one of two ways: 1. It could slide...
Tuesday, 22 February 2022
Bog oak at Wicken Fen: carbon dating
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Trees are carbon-based lifeforms. During their life they constantly take in carbon dioxide from the air. Now some of that carbon dioxide con...
Tuesday, 15 February 2022
Inside a Geiger-Muller tube
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Here is a view into one of our Geiger-Muller tubes. Note the cylindrical central anode. The window is made of a mineral called mica which ...
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