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Episode 26 - Eratosthenes - A Prime Example
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In this episode of The Mathematicians Podcast, host Benjamin Cornish paddles upstream—literally and figuratively—to explore the remarkable life and ideas of Eratosthenes of Cyrene, the polymath who measured the Earth with astonishing precision and devised one of the most famous algorithms in history: the Sieve of Eratosthenes.
In the show today
How Eratosthenes measured Earth’s circumference over 2,000 years ago
The ingenious method behind the Sieve of Eratosthenes and why it still matters in modern computing
His groundbreaking work in geography, including latitude, longitude, and early ideas of a spherical Earth
His role as chief librarian at the Library of Alexandria—aka the Google of the ancient world
From ancient geometry to prime numbers and historical timekeeping, this episode is a celebration of interdisciplinary thinking, curiosity, and mathematical creativity. Whether you're a teacher, student, or just a curious mind, you'll come away with a renewed appreciation for how math shapes our understanding of the world.
Plus: Learn how to get involved with Un-Natural Numbers, a new YouTube maths chat show supporting emerging voices in math communication.
Oh no, a list of Keywords (for SEO):
Eratosthenes, Sieve of Eratosthenes, measure Earth circumference, Library of Alexandria, prime numbers, ancient Greek mathematicians, history of mathematics, geography and maths, interdisciplinary STEM, maths communication, educational podcast, number theory, velocity problems, maths teaching podcast
Have a free list of Hashtags:
#MathematicsPodcast #Eratosthenes #PrimeNumbers #MathsEducation #HistoryOfMaths #STEM #MathsInRealLife #MathsTeacher #LibraryOfAlexandria #GeographyAndMaths #EducationalPodcast #NumberTheory #UnNaturalNumbers
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