How Many Megapixels?

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There are several cliches in the field of megapixel-count and resolution required for acceptable photographic prints. In no particular order: 300dpi is “fine art” you don’t need as many dpi for larger prints because typically they’re viewed further away my printer claims to do 360dpi or 1440dpi or … 24 megapixels is more than enough […]

Water: Around Loch Rannoch (3)

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This one isn’t so much about the water as the mountain, Schiehallion. Back in 1774, its regular shape and relatively isolated location led to it being used in the famous experiment by Mason and Maskelyne to determine the value of the gravitational constant, big-G, and the density of the Earth. Certainly it sits fairly impressively […]