A meter is longer than a yard. An ounce is heavier than a gram. We harmlessly mix them up sometimes, but a "unit conversion error" when you're filling up the fuel tanks of an airliner can be fatal. Which is exactly what happened to Air Canada Flight 143. 

Tim Harford talks to mathematician and comedian Matt Parker about how the aircraft came to take off without the proper fuel load, how no one noticed until it was too late, and why such errors give us an insight into just how important maths is to keeping our complex world working as it should. 

For more "unit conversion errors"  check out Matt's book Humble Pi.

A meter is longer than a yard. An ounce is heavier than a gram. We harmlessly mix them up sometimes, but a "unit conversion error" when you're filling up the fuel tanks of an airliner can be fatal. Which is exactly what happened to Air Canada Flight 143. 
Tim Harford talks to mathematician and comedian Matt Parker about how the aircraft came to take off without the proper fuel load, how no one noticed until it was too late, and why such errors give us an insight into just how important maths is to keeping our complex world working as it should. 
For more "unit conversion errors"  check out Matt's book Humble Pi.

We tell our children unsettling fairy tales to teach them valuable lessons, but these Cautionary Tales are for the education of the grown ups – and they are all true. Tim Harford (Financial Times, BBC, author of “The Data Detective”) brings you stories of awful human error, tragic catastrophes, and hilarious fiascos. They'll delight you, scare you, but also make you wiser. New episodes every Friday.

We tell our children unsettling fairy tales to teach them valuable lessons, but these Cautionary Tales are for the education of the grown ups &ndash; and they are all true. Tim Harford (Financial Times, BBC, author of &ldquo;The Data Detective&rdquo;) brings you stories of awful human error, tragic catastrophes, and hilarious fiascos. They'll delight you, scare you, but also make you wiser. New episodes every Friday.

Cautionary Tales with Tim Harford

We tell our children unsettling fairy tales to teach them valuable life lessons, but these Cautionary Tales are for the education of the grown ups – and they are all true. Tim Harford (Financial Times, BBC, author of “The Data Detective” and “The Undercover Economist”) brings you stories of awful human error, tragic catastrophes, daring heists and hilarious fiascos. They'll delight you, scare you, but also make you wiser. New episodes every Friday.

We tell our children unsettling fairy tales to teach them valuable life lessons, but these Cautionary Tales are for the education of the grown ups &ndash; and they are all true. Tim Harford (Financial Times, BBC, author of &ldquo;The Data Detective&rdquo; and &ldquo;The Undercover Economist&rdquo;) brings you stories of awful human error, tragic catastrophes, daring heists and hilarious fiascos. They'll delight you, scare you, but also make you wiser. New episodes every Friday.

Cautionary Conversation: Flying on Empty

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/2668598e-06ac-416f-9d90-af09013cc1ee/transcript

Tim is running the London Marathon on the 26th of April. To give him a week off to finish training, we're playing this running-themed classic from the archives. If you would like to donate to Teenage Cancer Trust, Tim's fundraising page is at tinyurl.com/HarfordMarathon - any support is very much appreciated.

Until the 1960s, it was deemed too "dangerous" for women athletes to run distances longer than 200m - and a marathon would kill them, or leave them unable to have children. Rubbish, of course. But when Kathrine Switzer signed up for the 1967 Boston Marathon, it wasn't the distance that bothered her - it was the enraged race director trying to assault her.  

Thanks to pioneers like Kathrine, women have made huge strides in long distance running - and are now challenging the times of men in the very races they were banned from for so very long.

See the show notes at timharford.com

Tim is running the London Marathon on the 26th of April. To give him a week off to finish training, we're playing this running-themed classic from the archives. If you would like to donate to Teenage Cancer Trust, Tim's fundraising page is at tinyurl.com/HarfordMarathon - any support is very much appreciated.
Until the 1960s, it was deemed too "dangerous" for women athletes to run distances longer than 200m - and a marathon would kill them, or leave them unable to have children. Rubbish, of course. But when Kathrine Switzer signed up for the 1967 Boston Marathon, it wasn't the distance that bothered her - it was the enraged race director trying to assault her.&nbsp;&nbsp;
Thanks to pioneers like Kathrine, women have made huge strides in long distance running - and are now challenging the times of men in the very races they were banned from for so very long.
See the show notes at <a href="https://timharford.com/">timharford.com</a>

Run, Switzer, Run: The Women who Broke the Marathon Taboo (Classic) 

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/ee90f593-996f-44fa-a006-b42d00f54a25/transcript

In 1860, police officer Robert O'Hara Burke plans an expedition to map the mysterious blank in the centre of Australia. Joining him is scientist William Wills, and a ragtag team of hires. Burke falls out with virtually everyone around him, and demonstrates an uncanny ability to make terrible choices - from the equipment he brings to the route he takes. But even as the mission unravels, one final, simple decision could still save him.

For a full list of show notes, see timharford.com. 

In 1860, police officer Robert O'Hara Burke plans an expedition to&nbsp;map the mysterious blank in the centre of Australia. Joining him is scientist William Wills, and a ragtag team of hires. Burke falls out with virtually everyone around him, and demonstrates an uncanny ability to make terrible choices - from the equipment he brings to the route he takes.&nbsp;But even as the mission unravels, one final, simple decision could still save him.
For a full list of show notes, see <a href="https://timharford.com/">timharford.com</a>.&nbsp;

The Lovestruck Explorer's Deadly Guessing Game

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/6c74d253-8b6a-4e4b-a0e4-b427014bf213/transcript

Millionaire-making tech start-ups are most often associated with Silicon Valley. But this software revolution begins on a woman’s kitchen table in rural Britain in the 1960s. Steve Shirley faced extraordinary odds. After escaping Nazi Germany as a child, she later encountered workplace discrimination and endured deep personal tragedy. But she persevered to build a business decades ahead of its time, creating opportunities for hundreds of women.

Tim Harford is joined by Ben Walter, CEO of Chase for Business and host of The Unshakeables podcast, to explore the life, legacy and lessons of an overlooked titan of tech.

Millionaire-making tech start-ups are most often associated with Silicon Valley. But this software revolution begins on a woman&rsquo;s kitchen table in rural Britain in the 1960s. Steve Shirley faced extraordinary odds. After escaping Nazi Germany as a child, she later encountered workplace discrimination and endured deep personal tragedy. But she persevered to build a business decades ahead of its time, creating opportunities for hundreds of women.
Tim Harford is joined by Ben Walter, CEO of Chase for Business and host of <a href="https://podcasts.apple.com/us/podcast/the-unshakeables/id1725983618">The Unshakeables</a> podcast, to explore the life, legacy and lessons of an overlooked titan of tech.

The Refugee Who Led a Software Revolution - with Ben Walter

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/aeec0362-f477-41cc-94c2-b42401023255/transcript

Cautionary Conversation: Flying on Empty

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