I have a standard square double glazed window in my office but when the morning sun comes up over the trees behind the reflection on the lawn is of a circle with a cross on it. Anybody got any ideas why?
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bloggoth
If everything isn't black and white, I say, 'Why the hell not?'
John Wayne (My guru, not to be confused with my beloved prophet Jeremy Clarkson) -
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Aaaagh NO!!! Trying to avoid tucking into the hot cross buns.bloggoth
If everything isn't black and white, I say, 'Why the hell not?'
John Wayne (My guru, not to be confused with my beloved prophet Jeremy Clarkson)Comment
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It looks a bit like the Heathrow Express logo (albeit not purple)Comment
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Sunlit uplands appearing as we near Oct 31st."Never argue with stupid people, they will drag you down to their level and beat you with experience". Mark TwainComment
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The circle is the refracted light travelling through a less dense area of leaves which are semi-transparent making a wide soft aperture. The brighter cross is the shape of the aperture caused by the edge of the leaves that happens to be cross-shaped. θ=1.22λ/D The double glassing is acting like a frosted screen. Each of the events, other than emmision, is expressed in probabilistic terms. For example, light absorption is expressed as the probability per unit time of a particle at point p travelling in the direction being absorbed.Originally posted by xoggoth View PostI have a standard square double glazed window in my office but when the morning sun comes up over the trees behind the reflection on the lawn is of a circle with a cross on it. Anybody got any ideas why?
"A people that elect corrupt politicians, imposters, thieves and traitors are not victims, but accomplices," George OrwellComment
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If you press it your Xbox will turn on.Comment
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It's a miracle! Contact the Pope.Down with racism. Long live miscegenation!Comment
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It's either where the Leprechaun has hidden its gold, or it's where you're going to be impaled by a lightning conductor during the next storm.Originally posted by xoggoth View PostI have a standard square double glazed window in my office but when the morning sun comes up over the trees behind the reflection on the lawn is of a circle with a cross on it. Anybody got any ideas why?
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