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Convention attendees standing in massive lines for demos
Patience is a virtue heavily tested by convention floor plans. Dedicated fans will happily pay exorbitant ticket prices and stand shoulder-to-shoulder in a…
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Desktop computer cases are mostly empty air
That massive, glowing monolith sitting on your desk is a masterclass in wasted space. Unless you are packing a terrifying amount of custom hardware, the giant…
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Charging literal rocks on the front porch
There is a widespread practice of placing expensive, polished glass and stones outside at night to soak up ambient glow, firmly believing this will somehow…
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Why blind people gesture while talking
You might assume talking with your hands is purely for the listener's benefit, but it is actually for the speaker. Even people blind since birth passionately…
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When simple questions get almost-right answers
Ask a patient what two plus two equals, and they will confidently look you in the eye and say 'five.' This bizarre, highly specific dissociative state forces…
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First battery was a pile of alternating metal discs
Before lithium-ion packs, portable power looked like a weird science fair project. Alessandro Volta stacked discs of zinc and copper separated by cloth soaked…
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Parallel universes explain bad memories
Entire crowds vividly remembering a movie that never existed is blamed on alternate timelines. Rather than admit human memory is incredibly flawed, people…
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Why D&D has a gelatinous cube
D&D creator Gary Gygax was evidently a stickler for janitorial logic. Realizing it made absolutely no sense for forgotten, monster-infested underground ruins…
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Why human eyes have such white sclera
Having bright white eyes makes us terrifying to predators but incredibly good at communicating. The visible white sclera exists almost exclusively so we can…
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Why burning off your fingerprints won’t erase them
Bad news for aspiring supervillains trying to erase their criminal past. The unique ridges on your fingertips are rooted deep in the basal layer of your skin.…
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Early Chinese officials recorded data on heavy bamboo strips
Before the glorious invention of paper, moving a large library required a fleet of sturdy oxen. Scribes meticulously painted official characters onto narrow,…
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Ancient Egyptians played marbles too
Throwing tiny rocks at other tiny rocks is basically peak human innovation. Excavations in ancient Egypt uncovered spheres meticulously crafted from clay and…
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Cells aggressively swallowing nearby objects
Sometimes the only way to move a package inside is to literally wrap your entire self around it. Endocytosis involves a cell membrane folding inward to engulf…
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First house ruler in second creates money hunger
Imagine your core identity packing its bags and permanently moving into your bank vault. When your primary governing entity parks itself in the sector of…
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Roman soldiers passed messages with slaps
Running away from physical contact is a celebrated historical tradition. Ancient Roman texts casually describe men sprinting around and violently slapping…
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The hashtag was proposed before Twitter adopted it
Silicon Valley rarely invents its most iconic features. The ubiquitous symbol for categorizing online complaints was proposed by a random early user trying to…
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Midheaven degrees dictate how desperately you want fame
Sitting at the highest point of your profile, this angle maps out your public reputation and overarching ambitions. It essentially highlights what kind of…
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Practicing beyond mastery locks in permanent pathways
Overlearning is the key to creating unbreakable habits. Continuing to rigorously practice a skill long after you have achieved perfect accuracy physically…
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Losing 100 hairs a day is normal
Your scalp is constantly engaging in a slow-motion biological shedding festival. It is perfectly standard operational procedure for up to one hundred…
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Intellivision controller utilizes a massive numeric keypad
Perfect for playing software or making a long-distance phone call. The layout featured a giant grid of numbers, requiring users to slide an overlay sheet over…
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China’s trains follow painted lines instead of rails
It's essentially a bus with delusions of grandeur. China's Autonomous Rail Rapid Transit (ART) system uses a network of sensors and cameras to follow painted…
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Packaged ice manufacturing requires severe water filtration
Selling frozen water in a bag requires baffling levels of industrial purification. Commercial ice facilities must violently strip out all minerals and trapped…
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In South Sudan, cows can pay for a wedding
Paying for a wedding or settling a blood feud? Forget bank transfers; you need to herd 40 cows across the savanna. It is a highly illiquid asset class that…
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Chemical sunscreen works inside your skin
You probably thought it sat on top like a polite little shield, didn't you? Nope. Chemical sunscreens actively seep directly into your dermal layers to…
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