Math & Money

What causes economic bubbles?
How much would you pay for a bouquet of tulips? A few dollars? A hundred dollars? How about a million…
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How to spot a counterfeit bill
It’s estimated that for every 10,000 bills in the U.S., one of those bills is fake. That may not sound…
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The mathematical secrets of Pascal’s triangle
This may look like a neatly arranged stack of numbers, but it’s actually a mathematical treasure trove. Indian mathematicians called…
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How statistics can be misleading
Statistics are persuasive. So much so that people, organizations, and whole countries base some of their most important decisions on…
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Making sense of irrational numbers
Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But…
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Why the metric system matters
What does the French Revolution have to do with the time NASA accidentally crashed a $200 million orbiter into the…
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How the Königsberg bridge problem changed mathematics
You’d have a hard time finding Königsberg on any modern maps, but one particular quirk in its geography has made…
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What is a vector?
Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. What exactly are…
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A brief history of numerical systems
One, two, three, four, five, six, seven, eight, nine, and zero. With just these ten symbols, we can write any…
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The mathematics of sidewalk illusions
If you’re ever walking down the street and come across an oddly stretched out image, like this, you’ll have an…
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