Last June, Help My Physics placed some photographic film into a tin canister with a small hole punched into its side. The tin canister was then attached to a clothes pole in their back garden and left.
This afternoon I fetched the canister and took the photographic film out. My son John scanned the photographic film and with the aid of some image software made the image negative. The result is the picture above. The picture clearly shows the path of the sun through the sky over the last six months. I believe you can see we didn’t have a great summer by the broken lines at the top. More sun shone in the month of October.
[Via Help My Physics]
