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 ...
Today is national Pi Day. (Yes, that’s Pi without an “e.”) It’s a mathematical constant used to calculate the circumference of a circle. Here are slightly more than seven things you might not know ...
Do you know how to measure the diameter of the earth? No? Then you’re less advanced than they were in 230 BC. You’re basically a Neanderthal with access to a microwave. Find out how to fix that in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback