John Carmichael/Andrew Pettit contributed:
>p.s. Does this mean that earth is itself a sundial, and the raindrops are >the gnomon? > >Of course it is - but I always thought of the North Pole being the gnomon ;-) There's even a book about it - mainly for children and very good too. "The Earth is a Sundial" by Mitsumaso Anno Tony Moss
