Technology
Discover facts about technology. Small discoveries that change the way you see familiar things.
Technology
How lasers erase tattoo ink from your body
Erasing your ex's name isn't about melting the ink; it is about microscopic demolition. Specialized lasers pulse light so rapidly that the pigment particles…
Discover more
Those neon fish were made with jellyfish proteins
Those ridiculously vibrant tetras at the pet store are not the product of selective breeding. Scientists injected the embryos of common fish with the natural…
Discover more
Antivenom starts with a horse's immune system
The cure for a deadly snakebite starts in a stable. Toxicologists inject trace amounts of lethal venom into massive farm animals like horses or sheep. The…
Discover more
How non-dairy creamer can contain milk
Despite the bold claims on the plastic bottle, most creamers are not entirely safe for severe dairy allergies. To replicate the rich mouthfeel of actual…
Discover more
The goats that produce spider-silk proteins
Spiders are territorial cannibals, making farming them impossible. To get their incredibly strong silk, scientists spliced arachnid genes directly into goats.…
Discover more
The salmon engineered to grow all year round
Normal salmon only grow during the warm months, which is way too slow for the global market. Scientists injected them with a growth hormone gene from Chinook…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
Scientists made yeast brew THC and CBD
Cultivating cannabis requires vast amounts of water and greenhouse space, so scientists figured out how to brew it instead. By editing the genetic pathways of…
Discover more
How hand sanitizer destroys bacteria
Hand sanitizer does not poison germs; it executes them via structural failure. High concentrations of ethyl alcohol actively dissolve the lipid membranes…
Discover more
Why VR headsets distort the image on purpose
The screens inside a headset look like a funhouse mirror if viewed directly. Because the thick magnifying lenses pinch the image drastically, the processor…
Discover more
The unlikely origins of face-swapping deepfakes
Before politicians were terrified of manipulated media, internet trolls were pioneering the field. The earliest neural networks for face-swapping were built…
Discover more
How noise-canceling headphones erase engine noise
They do not just block sound like thick earplugs. They actively listen to the annoying airplane engine outside and broadcast the exact mathematical opposite…
Discover more
How zero-speed pitch correction created robotic vocals
The iconic robot vocal effect is actually a misuse of studio tools. By setting the pitch correction attack speed to absolute zero milliseconds, the software…
Discover more
Frustum culling hides everything outside your field of view
You think the entire digital city exists around you? It absolutely does not. The moment you turn your camera away, the processor deletes the buildings,…
Discover more
Lasers can act as tweezers for tiny particles
Optical tweezers sound like sci-fi nonsense, but they are entirely real. By firing highly focused laser beams, scientists create a tiny gravitational pull…
Discover more
MIDI sends instructions, not sound
Connecting a keyboard to a laptop does not transfer any audio whatsoever. The protocol merely sends a text command saying 'Press Middle C at velocity 100'.…
Discover more
Why fake oceans can drain a studio's power
Simulating the ocean is a nightmare for digital artists. Instead of drawing a wave, the system calculates millions of tiny liquid dots crashing into each…
Discover more
Audio normalization crushes loud sounds to match quiet ones
To prevent listeners from going deaf, streaming platforms use strict limiters. If a booming drum hit exceeds the threshold, the processor aggressively pushes…
Discover more
Shutter roll effects bend fast objects during downward scans
Ever wonder why airplane propellers look like detached, floating boomerangs in photos? Digital sensors do not capture the whole image instantly; they scan…
Discover more
Why identical twins can fool facial-recognition systems
Advanced identity scanners are easily defeated by basic biology. Because identical twins share the exact same skeletal structure and orbital spacing, cameras…
Discover more
Video game hitboxes are larger than actual character models
You are not actually a crack shot sniper. Developers secretly make the invisible collision boxes around enemies much wider than their visible bodies. This…
Discover more
Motion capture actors wear dots to track joint coordinates
Hollywood magic is mostly just people in spandex looking ridiculous. Infrared cameras ignore the actor entirely and only track the reflective spheres attached…
Discover more
MRI machines use liquid helium to cool superconducting coils
To scan your brain, a hospital literally builds a magnet strong enough to rip a chair across the room. To keep it from exploding from its own electrical…
Discover more
Digital zoom simply crops the image and enlarges the pixels
Unlike an optical lens that actually magnifies light, hitting zoom on a basic digital interface just crops the center of the frame and stretches the remaining…
Discover more
Photogrammetry creates 3D models from overlapping 2D photos
Instead of sculpting digital rocks from scratch, artists just walk around real objects snapping hundreds of pictures. A processor then analyzes how the pixels…
Discover more