logo
episode-header-image
Mar 2020
11m 34s

Humble Pi: When Math Goes Awry

NPR
About this episode
Pi Day (3/14) approaches. To help honor the coming holiday and the importance of math, stand-up mathematician Matt Parker unspools a common math mistake known as the off-by-one-error. His new book is called 'Humble Pi: When Math Goes Wrong In The Real World.'

Email the show at shortwave@npr.org.

Learn more about sponsor message choices: podcastchoices.com/adchoices

NPR Privacy Policy
Up next
Today
What drives animals to your yard? It's complicated
Listener Shabnam Khan has a problem: Every time she works in her garden, she’s visited by lizards and frogs. Shabnam has lived in the metro Atlanta area for decades, and she says this number of scaly, clammy visitors has exploded over the past few years. Frogs croak at night; liz ... Show More
13m 44s
Yesterday
Iran offline: How a government can turn off the internet
There’s an ongoing, near-total blackout of the internet in Iran. The shutdown is part of a response by the government to ongoing protests against rising inflation and the value of the nation’s currency plummeting. Since protests began more than two weeks ago, only an estimated 3% ... Show More
13m 17s
Jan 23
The plight of penguins in Antarctica
A new study shows penguins are breeding earlier than ever in the Antarctic Peninsula. This region is one of the fastest-warming areas of the world due to climate change, and penguins time their breeding period to environmental conditions. That’s everything from the temperature ou ... Show More
8m 32s
Recommended Episodes
Sep 2022
How to Teach Maths
Brian Cox and Robin Ince are joined by comedian Sara Pascoe and the very numerate Prof Hannah Fry, maths comedian Matt Parker and statistician Prof David Spiegelhalter for a unique maths class. Are some of us just innately bad at maths or can everyone get to grips with algebra an ... Show More
42m 38s
Jul 2017
Maths is Fun
Calculator tricks and baking cakes - how two female mathematicians help people have fun with maths. Eugenia Cheng's aim is to rid the world of 'math phobia' and she uses baking to explain complex mathematical ideas to the general public, via her books and YouTube channel. For ins ... Show More
27m 20s
Dec 2020
Anna Weltman, "Supermath: The Power of Numbers for Good and Evil" (Johns Hopkins UP, 2020)
Mathematics as a subject is distinctive in its symbolic abstraction and its potential for logical and computational rigor. But mathematicians tend to impute other qualities to our subject that set it apart, such as impartiality, universality, and elegance. Far from incidental, th ... Show More
1h 47m
Oct 2022
The problem of infinite Pi(e)
Pi is the ratio between a circle’s diameter and its circumference. Sounds dull – but pi turns out to have astonishing properties and crop up in places you would never expect. For a start, it goes on forever and never repeats, meaning it probably contains your name, date of birth, ... Show More
26m 27s
Mar 2023
How to think like a mathematician
Brian Cox and Robin Ince are joined by comedian Jo Brand, mathematicians Prof Hannah Fry and Dr Eugenia Cheng, and xkcd webcomic creator Randall Munroe to discover how thinking like a mathematician could solve some tricky everyday conundrums. From the optimal strategy to finding ... Show More
42m 35s
Sep 2010
The Mathematicians Who Helped Einstein
This ten part history of mathematics from Newton to the present day, reveals the personalities behind the calculations: the passions and rivalries of mathematicians struggling to get their ideas heard. Professor Marcus du Sautoy shows how these masters of abstraction find a role ... Show More
13m 52s
May 2020
How do I learn maths when school’s shut?
<p>What’s the importance of zero, and how was it discovered? How do scientists calculate Pi’s infinite digits? Why do so many people find maths difficult – and what’s the most difficult thing in maths?</p><p>CrowdScience takes on a whole bunch of questions sent in by high school ... Show More
34m 34s
Mar 2022
Is maths real?
<p>Faced with one cake and eight hungry people, it’s pretty obvious how maths underpins reality. But as mathematics gets further from common sense and into seemingly abstract territory, nature still seems to obey its rules - whether in the orbit of a planet, the number of petals ... Show More
32m 15s