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29 articles tagged "Number"
Why Our Metre Is Actually a Measure of Time
Discover how the metre went from a metal bar in Paris to a unit defined by the speed of light—and why that surprising change powers everything from GPS to fibre-optic internet.
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Unraveling the Golden Angle: Why Sunflowers Always Spiral
Discover how a special angle, the golden angle, shapes sunflower seeds, pine cones, and more—and why maths reveals nature’s hidden code.
When 0.999... Becomes 1: The Quirks of Fractions, Decimals & Percentages
Discover why 0.999… actually equals 1, trace the origins of decimal fractions and percentages, and see how these number forms sneak into shopping deals, nutrition labels and engineering tolerances.
Indices Unleashed: From Exploding Growth to Tiny pH Levels
Discover how indices (exponents) drive everything from bacterial booms to pH readings, and why they’re far more than just abstract symbols.
How Medieval Taxes Shaped Fractions, Decimals & Percentages
Explore how medieval tax collectors gave rise to percentages and decimals, and why these number systems still pop up in everything from shopping discounts to sports stats.
Fractions, Decimals and Percentages: From Egyptians to Discounts
Explore how 1/2, 0.5 and 50% are just three sides of the same idea, from ancient Egyptian scribes to modern shopfronts—and pick up easy tricks to switch between them.
When Negatives Were Taboo: The Story of Computing with Integers
Discover how integer computations—especially negative numbers once shunned—shape everything from weather forecasts to coding. Learn the surprising history and real-life uses of these fundamental skills.
Finding Harmony: How Ratios and Rates Shape Music, Maps and More
Discover the surprising ways simple ratios and rates underpin everything from musical notes to map scales — and learn to tell them apart.
From Earthquakes to Pop Songs: The Power of Indices
Discover how indices (exponents) show up in everything from measuring earthquake strength to the octaves in your favourite tunes—and clear up a common misconception along the way.
Why Negative Solutions Weren't Always Welcome: The Hidden Story of Equations
Negative answers to equations seem perfectly normal today, but centuries ago mathematicians rejected them outright. Discover how the concept of “less than zero” fought its way into algebra and why it matters today.
The Secret Lives of Fractions, Decimals and Percentages
Dive into the surprising story of how ancient Egyptians and a 16th-century mathematician shaped the numbers we use today—and discover real-world hacks for swapping between fractions, decimals and percentages.