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Sun's path June to December (Photo)
Last June I placed some photographic film into a tin cannister with a small hole punched into its side. The tin cannister was then attached to a clothes pole in my backgarden and left.
Visit helpmyphysics.co.uk → On Hacker News Apr 2010 – Apr 2010
Last June I placed some photographic film into a tin cannister with a small hole punched into its side. The tin cannister was then attached to a clothes pole in my backgarden and left.