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Old 13th April 2015, 11:37 AM
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Sundance Sundance is offline
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Join Date: Mar 2013
Location: swansea
Posts: 260

What effect is the temperature change having Rob?

Is it expanding the gas or causing the metal or glass to shift, or is it the temperature of the eye...

any pointers on the physics....not that I am likely to understand it mind....
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