"I am a sugar beet smokestack in a gray, cloudy sky -- but I know there is blue sky above it all. I should never forget the blue sky." I wrote that in a notebook during an October 2007 weekend ...

Nothing in her lab actually looks like a cloud; there are no mists swirling picturesquely in glass bottles. It’s mostly lasers and big black boxes. But the behavior of these lab-based cloud particles ...

1. The photo should just be of the plain sky and nothing else; no trees, no buildings, no clouds, no airplanes (although sometimes I have noticed a stray bat or plane when it is too late).

The writer recalls very vividly the blue aspect of the sky as seen from the top of the San Francisco Mountains in Arizona, which have an altitude of 13,000 feet above the sea; and in an ascent of ...

A young child looked up in the sky, And said, “It’s so blue, Mum, but why?” You see, blue scatters more, (There’s this power of 4), So it rarely comes straight to your eye. – Author ...