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Google Chrome OS explained perfectly in 3:21
This is really neat, and such an important step forward for the world.
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ettcd (by woodcum)
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FEB. 3, 1863:
SAMUEL CLEMENS USES MARK TWAIN PSEUDONYM
On this day in 1863, writer and...
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Want a free copy of the PWN the SAT Math Guide?
The whole reason I started PWN the SAT is...
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Marina shack in Gouldsboro, Maine. Photo by Greg Hartford.
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catedrals asked: Isn't there a significant curve on the SAT? I thought it was widely accepted that the curve is higher in the fall, lower in the spring. Or it might be the other way around. Either way, more seniors take it at a certain time, and more SAT-prepped students take it at a certain time, pushing the curves up. And at higher scores, one question is valued at more--missing one question could drop you from a 2400 to a 2360, but only from a 1600 to a 1590. Something like that?
Each test has a slightly different scoring table—that’s true. But the differences aren’t due to...
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