Technology
Discover facts about technology. Small discoveries that change the way you see familiar things.
Technology
Acid paste prevents metal from oxidizing
Melting metal together requires aggressive chemical warfare against ambient oxygen. When soldering components, heat causes instant, stubborn oxidation on the…
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Why luxury watches contain tiny rubies
Luxury watches are aggressively filled with precious gems that absolutely nobody will ever see. High-end mechanical timepieces heavily use synthetic rubies as…
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How cosmic rays can crash a computer
You’d think your tech issues were your own fault, but sometimes it’s literally the universe hating you. High-energy particles from space occasionally smash…
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How blinking red light can carry sound
Sometimes the absolute best way to hear music is to aggressively blink a tiny red light. Optical audio avoids electrical interference entirely by transmitting…
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Electronic music begins with geometric waves
That incredibly fat bassline originally started its life as a violently sharp, mathematical triangle. Basic analog synthesizers generate sound by utilizing…
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Your futuristic PC still follows a 1995 blueprint
Your futuristic, intensely glowing high-end rig is tragically trapped in a structural standard from 1995. The strict ATX form factor dictates exactly where…
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Microscopic pits encode massive audio files
We moved from scratching heavy vinyl to shooting shiny plastic with concentrated light. An optical disc stores audio using a continuous microscopic spiral…
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Special alloys block invisible magnetic fields
You can't just casually block a strong magnet; you need a highly specialized alloy that eats magnetism. Mu-metal is a nickel-iron blend with insanely high…
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How a vinyl record stores stereo sound
Hearing left and right audio is just aggressively scratching the sides of a ditch. In a stereo vinyl record, the single continuous groove has a V-shape. The…
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A slow data feed can destroy a tape drive's tape
Feeding massive data too slowly to a high-speed tape drive aggressively causes the tape to physically saw itself in half. If a system can't provide data fast…
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Swinging pendulums dictate perfect musical timing
Musicians have been strictly taking orders from an aggressively ticking reverse-clock for centuries. A mechanical metronome intensely relies on an inverted…
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Why vinyl records cut the bass before pressing
Cutting totally perfect heavy audio into a physical groove would literally shatter the rigid record. Deep bass frequencies require massive grooves that take…
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Magnetic pulses lock motors into rigid steps
Some specific motors are incredibly terrible at spinning freely, entirely on purpose. Unlike standard motors that spin wildly when fed voltage, stepper motors…
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Impurities make silicon incredibly useful
Pure perfection is utterly useless in the complex world of modern computing. Flawlessly pure silicon is a terrible conductor of electricity. Manufacturers…
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Electromagnets mechanically throw heavy switches
When a tiny electrical signal needs to confidently move massive voltage, it uses magnetic heavy lifting. A relay is simply a powerful electromagnet paired…
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Chip factories are pristine beyond belief
Surgeons have absolutely nothing on semiconductor manufacturers when it comes to hygiene. Cleanrooms filter out particles down to the nanometer because a…
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How your finger activates a flat touch button
Those sleek, flat buttons aren't reacting to physical pressure; they are actively stealing your body's electricity. Capacitive touch panels emit a tiny…
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Why thermal paste eventually turns to chalk
The absolutely only thing standing between a processor and oblivion is a rapidly drying puddle of thick grease. Over years of enduring extreme temperature…
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Two metals and electricity can make one side cold
You don't need a bulky compressor to make ice, just two distinct metals and some raw electricity. Thermoelectric coolers exploit the Peltier effect, where…
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How sound travels through your skull
You actually don't need functioning eardrums to listen to your favorite intense podcast. Bone conduction transducers completely bypass the ear canal by…
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Multiple plastic layers double disc capacity
When we completely ran out of physical surface area, we just started writing underneath it. Dual-layer discs achieve massive storage by utilizing a…
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Why some cows ride a giant carousel to get milked
Milking cows individually is incredibly slow, so massive dairy farms just put them on a carnival ride. The cows step onto a slowly rotating, continuously…
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Polymerase chain reactions copy DNA millions of times
When crime scene investigators find a single microscopic flake of skin, they cannot test it directly. They dump the DNA into a thermal cycler that rapidly…
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Modern greenhouses use enriched carbon dioxide atmospheres
Plants aggressively consume carbon dioxide to grow, and the regular atmosphere is just not fast enough for commercial profits. High-tech greenhouses…
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