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How Astrolabes Work
electronics.howstuffworks.com/gadgets/clocks-watches/astrolabe.htm
Astrolabes are exquisitely crafted instruments that have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky?
How to Calculate the Percent Error Formula
science.howstuffworks.com/math-concepts/percent-error-formula.htm
We take the mystery out of reporting the percent error correctly and show you how to use it in real life.
10 Cool Things You Didn't Know About Stephen Hawking
science.howstuffworks.com/dictionary/famous-scientists/physicists/10-cool-things-stephen-hawking.htm
He was born exactly 300 years after Galileo died. He never won a Nobel Prize, although he was awarded a guest spot on “The Simpsons.” What else do you know (or not know) about this acclaimed physicist?
What's the Significance of the Flower of Life?
people.howstuffworks.com/flower-life.htm
The Flower of Life is one of those patterns that shows up in repeatedly in nature and architecture. But what does it mean and why is it considered part of "sacred geometry?"
How Rebus Puzzles Work
entertainment.howstuffworks.com/puzzles/rebus-puzzles.htm
Rebus puzzles are pictograms with hidden meanings to solve. Learn how Rebus puzzles work at HowStuffWorks.
12 WPA Projects that Still Exist
money.howstuffworks.com/12-wpa-projects-that-still-exist.htm
WPA projects spanned from New York to California, and many still exist today. Find out about 12 WPA projects that can still be found.
How Alan Turing and His Test Became AI Legend
electronics.howstuffworks.com/future-tech/alan-turing-test.htm
HowStuffWorks Looks at the Turing Test and whether it has been passed by an intelligent artificial being or not.
What % Intelligent Are You?
play.howstuffworks.com/quiz/what--intelligent-are-you
You don't need to be a member of Mensa or the next Albert Einstein to take our intellectual quiz! Just show us how your mind works and how you perceive the world so we can determine how smart of a person you really are!
VII, MCM, XL: Roman Numerals Made Understandable
science.howstuffworks.com/math-concepts/roman-numerals.htm
And it'll take XIV minutes flat.
Can You Solve These Basic Math Story Problems?
play.howstuffworks.com/quiz/can-you-solve-these-basic-math-story-problems
One of the primary ways we learn to apply math to real-life situations is via story problems. And yet, these story-based mathematics equations stump quite a few people. Take this quiz to see if you are good at math.