Code Curiosities

In 2010, two Harvard economists published a paper claiming that once a country's debt crosses 90% of GDP, economic growth collapses — and governments worldwide used it to justify years of brutal austerity cuts. The only problem? A grad student doing his homework found a typo in a single Excel formula that had quietly excluded five countries from the dataset. We dig into how one bad cell reference...

In 1969, a single 1202 alarm code nearly aborted Apollo 11 four minutes before Neil Armstrong touched down on the Moon — and the reason it fired comes down to a 27-year-old programmer making a brilliant, un-approved judgment call under four seconds of pressure. This week we dig into the forgotten story of Margaret Hamilton, priority interrupt queues, and what a lunar module computer the size of a...

On January 19, 2038, every computer still running 32-bit time will simultaneously believe it's December 13, 1901 — and we're closer to that deadline than you think. This week we dig into the Y2K-style time bomb quietly ticking inside billions of devices, from hospital equipment to infrastructure systems, and meet the engineers racing to fix it before the clock runs out. Spoiler: the reason this bu...

In 2010, two Harvard economists published a paper that became the bible for global austerity policy — used to justify cuts that affected millions of people across dozens of countries. The entire argument rested on a single Excel spreadsheet with one formula that skipped five rows. We dig into how a rookie data mistake became one of the most consequential errors in modern economic history, and why...

In 1988, a graduate student released what he called a harmless experiment onto the early internet — and within 24 hours, had accidentally brought it to its knees. We dig into the Morris Worm, the world's first major cyberattack, and the surprisingly human chain of oops-moments that turned a curious side project into a federal crime, a Senate hearing, and the reason your company makes you change yo...

On May 6, 2010, the US stock market lost nearly a trillion dollars in value in under forty minutes — then mysteriously recovered almost all of it before the closing bell. The culprit wasn't a hacker, a foreign government, or even a rogue algorithm doing something unexpected; it was a perfectly ordinary trading system doing exactly what it was designed to do, just at the absolute worst moment. This...

Once every few years, the world's timekeepers secretly add an extra second to the clock — and every time they do, the internet quietly has a small crisis. From Reddit going dark to a $350 million stock trading meltdown to a GPS glitch that nearly grounded planes, this is the story of why keeping computers synchronized with Earth's slightly-wobbly rotation is a genuinely unsolved problem. It turns...

In 1997, a single misaddressed email at NASA spiraled into a 45-minute network blackout that grounded real mission work — and it wasn't the last time 'Reply All' brought a giant organization to its knees. This week we dig into the beautiful chaos of email, why a technology designed to be simple has caused billions of dollars in damage, and the surprisingly human reason your inbox still works exact...

Think QWERTY was designed to slow you down so typewriters wouldn't jam? That's complete nonsense—but the real story is even weirder. We're diving into how a clever salesman's demo trick from the 1870s accidentally became the layout on every device you'll ever own, and why we're probably stuck with it forever. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information abo...

In 1962, a single misplaced punctuation mark in NASA's code sent the Mariner 1 spacecraft careening off course, forcing its destruction just minutes after launch. We explore how this legendary programming blunder led to modern software testing practices and why the most expensive typo in history wasn't actually a comma at all. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com f...

In 2038, every smartphone, smart car, and server on Earth might suddenly think it's 1901. We dive into the Year 2038 Problem—a ticking time bomb buried in the code that runs our world, created by programmers in the 1970s who never imagined their shortcuts would outlast bell-bottoms. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use o...

In 1999, a young Japanese designer created 176 pixelated symbols for pagers that were never meant to leave Japan. Two decades later, those tiny pictures have fundamentally rewired how humans express emotion digitally—and sparked international corporate warfare over who owns a smiley face. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and...

Ever wonder why your computer gets cranky about weak passwords? We're diving into the surprisingly dramatic origin story of password security, featuring a 1960s MIT computer that accidentally created the world's first major data breach, a mischievous grad student, and how one simple mistake taught us everything we know about digital security the hard way. Hosted by Simplecast, an AdsWizz company....

In 1995, a single computer-animated emu in Disney's 'Dinosaur' caused rendering farms to crash, budgets to explode, and animators to question everything they knew about feathers. This is the story of how one stubborn bird exposed the dirty secret of early CGI: sometimes the most innocent-looking creatures are the hardest to bring to life. Hosted by Simplecast, an AdsWizz company. See https://pcm.a...

Long before smartphones had us feeling phantom buzzes in our pockets, telegraph operators were experiencing the exact same psychological phenomenon with Morse code. We dive into the surprisingly modern mental health effects of our first long-distance communication network, and why your relationship with notifications is older than you think. Hosted by Simplecast, an AdsWizz company. See https://pc...

When Y2K rolled around, most people worried about their bank accounts and elevators. But in a small town in Japan, a software glitch turned medical pagers into chaos machines, sending thousands of doctors cryptic numeric codes that nobody could decode. This is the story of how a single date bug nearly broke an entire healthcare system and why your grandma's old pager might have been more vulnerabl...

What was supposed to be a quick 10-day coding project to add simple interactions to web pages somehow became the most widely-used programming language on the planet. We'll explore how Brendan Eich's rushed creation in 1995 ended up powering everything from Netflix to NASA missions—and why some of its weirdest quirks are still haunting developers today. Hosted by Simplecast, an AdsWizz company. See...

Ever wonder why your WiFi password is that impossible-to-type string of random characters? It turns out there's a fascinating reason involving wardriving, a California coffee shop, and the moment everyone realized their home networks were accidentally broadcasting their secrets to anyone with a laptop and too much time. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for info...

That gorgeous sunset photo on your phone? Your screen is lying to you about what colors are actually there. We dive into the surprisingly messy world of digital color, where a decision made by TV engineers in the 1950s still dictates what billions of people see on their screens every day—and why magenta technically doesn't exist. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.co...

Behind Wikipedia's clean, neutral articles lies a battlefield of passionate editors fighting epic wars over everything from whether a grilled cheese becomes a 'melt' with added ingredients to the exact shade of blue in a corporate logo. We dive into the most absurd edit wars that reveal how our 'neutral' source of truth is actually shaped by the most stubborn people on the internet. Hosted by Simp...

Meet the COBOL programmers who went from forgotten relics to the most sought-after tech workers overnight when Y2K panic struck. We explore how a programming language from 1959 still runs your bank account, why airlines panic when these programmers retire, and the bizarre economics of being the only person who understands the code keeping civilization running. Hosted by Simplecast, an AdsWizz comp...

In August 2024, Gmail went down for millions of users worldwide, but the real story isn't about servers failing—it's about how a single misconfigured traffic routing rule cascaded into chaos. We dive into what really happened when one of the internet's most reliable services suddenly wasn't, and why your grandmother's AOL email account might actually be more resilient than Google's engineering mar...

Why are McDonald's ice cream machines always broken? Turns out it's not just bad luck—it's a fascinating tale of proprietary repair monopolies, cryptic error codes, and one company's stranglehold on soft-serve dreams. We'll dive into how a simple dessert machine became the poster child for everything wrong with modern repair culture. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswiz...

A teenager's made-up story about a medieval war became 'historical fact' on Wikipedia for half a decade, fooling students, teachers, and even other encyclopedias. We dive into how this elaborate fiction survived so long and what it reveals about how we actually verify information in the digital age. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our col...

Ever wondered why your phone seems personally invested in making you look ridiculous? We dive into the chaotic history of autocorrect, from its well-meaning origins in assistive technology to the AI-powered predictor that somehow knows you meant 'ducking' instead of... well, you know. Spoiler alert: it's not actually trying to ruin your life. Hosted by Simplecast, an AdsWizz company. See https://p...