Sunday, August 29, 2010
Yours from the Board of Weather Board
Heather wrote this mad lib last week and we are getting ready to print multiples. Anyone who visits our lab in the gallery is welcome to take one home...
studio live broadcast
Sunday, August 22, 2010
Friday, August 20, 2010
causality
Q: When do you think the first airplane was made?
A: A real long time ago, before I was born.
Q: What makes it fly? A: the wind.
Q: How does the wind do that? A: It lifts the plane up.
Q: Why doesn't the wind lift you up? A: I'm too heavy.
Q: Are you heavier than the plane? A: No, but it's meant to fly, I'm not.
- recorded conversation with a child named Pat, aged seven years, compiled by Ronald G. Good as part of a study of children's conceptions of causality
A: A real long time ago, before I was born.
Q: What makes it fly? A: the wind.
Q: How does the wind do that? A: It lifts the plane up.
Q: Why doesn't the wind lift you up? A: I'm too heavy.
Q: Are you heavier than the plane? A: No, but it's meant to fly, I'm not.
- recorded conversation with a child named Pat, aged seven years, compiled by Ronald G. Good as part of a study of children's conceptions of causality
Sunday, August 15, 2010
water falling up

Once, long ago, in India, in a village, our cinderblock rooms shaded by mango trees, we saw a waterfall in reverse. Far in the distance, we could barely make it out, white blur on green hillside above cow pasture and farmsprawl, a picturesque and dreamy thing, but something strange. Ever so slightly but unmistakably, you had to look again, the white moved from down to up, cow dung floor to clouds, not by magic but by mundane climactic conditions, typical to the season, whereby pre-monsoon winds, having nowhere else to go, whipped straight upslope upon meeting mountains en route from the sea. Privy to these particularities only afterwards, we took it for a miracle, burning the image into the backs of our eyes to save for later, one never knows -
Wednesday, August 11, 2010
Friday, August 6, 2010
Wednesday, August 4, 2010
Tuesday, August 3, 2010
Thursday, July 29, 2010
Alexander's band (or Alexander's dark band)
is an optical phenomenon associated with rainbows which was named after Alexander of Aphrodisias who first described it. It occurs due to the deviation angles of the primary and secondary rainbows. Both bows exist due to an optical effect called the angle of minimum deviation. Light which is deviated at smaller angles than this can never reach the observer.
The minimum deviation angle for the primary bow is 137.5°. Light can be deviated up to 180°, causing it to be reflected right back to the observer. Light which is deviated at intermediate angles brightens the inside of the rainbow.
The minimum deviation angle for the secondary bow is about 230°. The fact that this angle is greater than 180° makes the secondary bow an inside-out version of the primary. Its colors are reversed, and light which is deviated at greater angles brightens the sky outside the bow.
Between the two bows lies an area of unlit sky referred to as Alexander's band. Light which is reflected by raindrops in this region of the sky cannot reach the observer, though it may contribute to a rainbow seen by another observer elsewhere.

- Wikipedia
The minimum deviation angle for the primary bow is 137.5°. Light can be deviated up to 180°, causing it to be reflected right back to the observer. Light which is deviated at intermediate angles brightens the inside of the rainbow.
The minimum deviation angle for the secondary bow is about 230°. The fact that this angle is greater than 180° makes the secondary bow an inside-out version of the primary. Its colors are reversed, and light which is deviated at greater angles brightens the sky outside the bow.
Between the two bows lies an area of unlit sky referred to as Alexander's band. Light which is reflected by raindrops in this region of the sky cannot reach the observer, though it may contribute to a rainbow seen by another observer elsewhere.

- Wikipedia
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