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Can you solve NASA's Pi Day 2024 riddle?Hungry for Pi? Check out NASA's Pi Day challenge and put your wits to the test solving problems just like NASA scientists and engineers.
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12 surprising facts about pi to chew on this Pi DayOn Pi Day (March 14) we celebrate perhaps the most iconic irrational number on Earth. From its ancient origins to the unanswered questions, here are some of the most surprising facts about pi.
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Why NASA uses only 16 of the 105 trillion digits of pi we knowOn Pi Day (March 14), NASA reminded us why we need only a small slice of the irrational number's infinite decimal places to explain most of the known universe.
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World's oldest known decimal point discovered in merchant's notes from 1440s ItalyDecimal points are at least 150 years older than historians thought, according to newly unearthed notes from Venetian merchant Giovanni Bianchini, who practiced astrology in the 1440s.
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How long is a second?The length of a second depends on how you're measuring it.
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Math's 'hairy ball theorem' shows why there's always at least one place on Earth where no wind blowsHere's what the hairiest problem in math can teach us about wind, antennas and nuclear fusion.
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Scientists uncover hidden math that governs genetic mutationsThe ability of a gene to keep functioning despite mutations shows a surprising link to fundamental math.
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Mathematicians finally identify 'seemingly impossible' number after 32 years, thanks to supercomputersResearchers have calculated the "ninth Dedekind number," which belongs to an exponentially complex series of numbers that define outputs of logical functions based on different spatial dimensions.
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A 79-year-old mathematician may have just solved an infinite dimension puzzle that's vexed theorists for decadesMathematician Per Enflo, who solved a huge chunk of the 'invariant subspaces problem' decades ago, may have just finished his work.
