STEP 1 - WRAP RIBBON: Take the ribbon and wrap it around a glass. Mark where the ribbon overlaps itself. Image caption, STEP 2 - CUT CIRCUMFERENCE: Cut the ribbon at the point where it overlaps. You ...
Why is Pi Day celebrated on March 14? Its meaning goes beyond an excuse to eat pie. Here's the significance of the number and how it originated. Pi is simply (well, it’s not really simple, but bear ...
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