March 22, 2018, 1:53 a.m.
There's Always Pi!
Just by determining how circular a given crater is – using pi and the crater’s perimeter and area – planetary geologists can reveal clues about how the crater was formed and the surface that was impacted.
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Q: How many Marxists does it take to screw in a light bulb?
A: None: The light bulb contains the seeds of its own revolution.
A: None: The light bulb contains the seeds of its own revolution.
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