15 Things Invented by Accident That Changed the World

Some of the world’s biggest breakthroughs? Pure accident. From messy equations to careless errors, these “oops” flipped the world upside down. So go ahead, the next time be a bit clumsy – you’re just a slip away from changing the world. These 15 happy accidents illustrate that genius doesn’t always don a lab coat… sometimes it slips on a banana peel.

Penicillin

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Dr Alexander Fleming in 1928 left some petri dishes out when he was on holiday (lazy or legendary?). On returning, he found mold killing bacteria in a circle around the plate. Boom—Penicillin. Not from high-tech research, but sheer neglect. This “oops” saved a million lives, and the antibiotic era broke. Moral? Do your dishes… or not. You might just save the world by mistake.

Coca-Cola

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John Pemberton was a pharmacist trying to come up with a headache cure. What he ended up making was a sweet, syrupy beverage that was addictive and that included cocaine as an ingredient. That Coke, yes. Everyone started drinking it not to cure headaches, but because it gave them a high. The drug was eventually taken out, but the high stayed on – and so did Coca-Cola, a world empire born in one pharmacy fiasco.

Post-it Notes

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Dr. Spencer Silver was trying to develop a super-strength adhesive. Came up with one that was super weak instead. Failure, right? Wrong. Another co-worker used it in affixing bookmarks that peeled off without pulling out pages. That failed glue is the office supply phenomenon – Post-it Notes. Failure was stationery gold that does not get any better than this.

Velcro

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A Swiss engineer walked his dog, then spent hours removing burrs from him. Rather than cursing, he dismantled the burrs under a microscope—and discovered nature’s hook-and-loop fastener. That pesky walk gave birth to Velcro, now covering shoes, space suits, and children’s fashion trends. All because of one very sticky plant.

X-Rays

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Physicist Wilhelm Roentgen was experimenting with cathode rays when he found that they could travel through things. Like his wife’s hand. Her skeleton appeared on a screen, and she freaked out (same). But the human race gained X-rays, and medicine was revolutionized. So your skeleton selfies were once a weird surprise science gimmick.

Potato Chips

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And then there was one of the 1853 customers who just complained and complained that his fries were too thick. The salt-as-hell chef sliced the potatoes razor-thin, fried them to a crisp, and drowned them in salt as an act of spite. Guess what? The customer loved ’em. Boom – potato chips invented. Proof that pettiness sometimes leads to greatness. Salty snacks, salty chef… total win.

Microwave Oven

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Engineer Percy Spencer was experimenting with radar technology when a candy bar in his pocket melted. Instead of losing it, he messed around with popcorn. It popped. He tried an egg. It burst. That single, one-time accident mid-day catastrophe became every slacker chef’s go-to buddy: the microwave. You couldn’t even get near it, but hey—ever since, everyone’s microwaved leftovers at 2 AM.

Popsicles

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Frank Epperson, an 11-year-old boy, left his mixture of soda with a stirring stick outside overnight. The cold froze it solid. Boom—frozen fun on a stick. He called it the “Epsicle” (adorable), and later gave it the name Popsicle. A billion-dollar frozen dessert was created by one winter accident. So yeah, next time your kid makes a mess… maybe let it sit.

Super Glue

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Unintentionally discovered in WWII while trying to make clear plastic for gun sights, Super Glue was a gigantic flop—because it stuck to anything. So they threw it away. Decades later, somebody realized that it was perfect because it wouldn’t be stopped. Now it’s bonding everything, from broken mugs to life-saving surgery. Stick with your failures, folks.

Teflon

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Roy Plunkett was trying to develop a new refrigerant in 1938 when he opened a canister to find it had turned into a greasy white powder that nothing would stick to. Scientists were stumped—but the non-stick coating was soon the behind-the-scenes hero of your kitchen pans. Your eggs don’t stick to pans, and bullets will sometimes slide right off armor. Pure accident. You’re welcome.

LSD 

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Albert Hofmann, a Swiss chemist, was preparing a medicinal chemical when he accidentally absorbed a small amount through his skin… and started tripping. Accidental discovery of LSD resulted in entire movements of people—and a million wild posters.

Corn Flakes

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The Kellogg brothers left cooked wheat too long. When they tried to roll it out—it flaked. Instead of tossing it, they baked the flakes… and invented the world’s driest breakfast. For some reason, Corn Flakes became a staple in every boring breakfast bowl. Because someone left the stove on.

Safety Glass

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French scientist Édouard Bénédictus dropped a glass flask off a shelf. It cracked, but did not shatter. Why not? Plastic cellulose from a previous experiment had been left in it. That accidental drop led to the invention of shatterproof safety glass—today’s car windshields and goggles. Occasionally, destroying things really does lead to breakthroughs.

Saccharin

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A scientist who was working with coal tar came home one evening and discovered his dinner to be sweet-flavored. It happened that he hadn’t washed his hands—and, unaware, licked the new artificial sweetener saccharin. Gross? No doubt. But this happy health code infraction introduced the world to the first zero-calorie sugar substitute. Cheers to dirty science.

Pacemaker

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Wilson Greatbatch was building a heart rhythm recording device when he wired in the incorrect resistor. Oops. Rather than scrapping it, he discovered that it generated an electrical pulse that pulsed like a heartbeat. And from that great mistake came the invention of the implantable pacemaker, which has saved countless lives. Sometimes, being a little “off” is the best thing that can happen.

15 Forgotten Inventions That Were Way Ahead of Their Time

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It is wild to think about ancient machines from the B.C. era that could’ve rivalled today’s AI. And then there’s the ancient technology we STILL can’t explain. These forgotten creations might have revolutionized the world if only the world was prepared. But instead, they were rejected, abandoned, or completely forgotten.

15 Forgotten Inventions That Were Way Ahead of Their Time

Retro School Supplies That Instantly Take You Back

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Each folder color, each pen smell, each eraser was a badge of honor for who you were (or who you so badly wanted to be). And let’s face it — certain supplies did not necessarily serve a purpose, but we needed them nonetheless.

Retro School Supplies That Instantly Take You Back

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