The phone`s touchscreen uses a wire grid to track your touch.
Your skin conducts electricity, pulling a tiny charge from the glass.
The phone senses this shift to pinpoint your tap.

The phone`s touchscreen uses a wire grid to track your touch.
Your skin conducts electricity, pulling a tiny charge from the glass.
The phone senses this shift to pinpoint your tap.
How can headphones remove a plane's engine roar by adding more sound? They play the noise's mirror image, and the two cancel out.
How Can an MRI See Inside Your Body Without Cutting You Open? 🧲🧠
#TechDCoded #Technology #TechExplained #TechFacts #HowItWorks #DidYouKnow #Innovation #FutureTech #MRI #MedicalTechnology #HealthcareTech #MedicalImaging #Science #Engineering #TechEducation
One species. Many skin colors. The clue is the ultraviolet light populations lived under. Melanin absorbs ultraviolet radiation. In high-UV places, more pigment can help protect folate, used in DNA production. What should we explain next? #science #howitworks
Is stale bread just dried-out bread? Not mainly. The real cause is starch slowly rearranging itself.
How does a small plastic disc on the ceiling know there's a fire before you do? It watches for particles in the air in one of two ways.
Why Do Lithium Batteries Eventually Die? 🔋⚡#TechDCoded #Technology #TechExplained #TechFacts #HowItWorks #DidYouKnow #Innovation #FutureTech #LithiumBattery #BatteryTechnology #Batteries #ElectricVehicles #Smartphones #Engineering #TechEducation
Myth: a bone's outline tells you the animal. Correction: this beach find is not proof of a turtle. A better clue is the end where another bone would fit: the joint surface leaves a matching pattern. What should we explain next? #science #howitworks
Why does your charger stay warm with nothing plugged in? Education, not advice. Script, narration and visuals are AI generated. #howitworks #techexplained #engineeringfacts #gadgetscience
Why does your phone race to 80%… then crawl to 100%? It's not your charger being lazy. Lithium-ion batteries charge in two phases, on purpose. 🧵
How Does Electric Cars Recover Energy When They Brake? ⚡🚗#TechDCoded #Technology #TechExplained #TechFacts #HowItWorks #DidYouKnow #Innovation #FutureTech #ElectricCars #EV #RegenerativeBraking #ElectricVehicles #CleanTechnology #Engineering #TechEducation
An electromagnetic field can look electric here—and partly magnetic from a moving viewpoint. Electric fields push charges. Magnetic fields push sideways on moving charges. What should we explain next? #science #howitworks
You type google.com, hit Enter. In <1s your browser:
1 DNS
2 HTTPS
3 GET /
4 200 OK
5 renders HTML/CSS/JS
Part 2: how WhatsApp sends a message.
#howitworks #webdevelopment #techexplained #dns #https #coding #motiongraphics
A smoke detector doesn’t actually “see” smoke.
It uses a surprisingly simple trick to detect danger.
The device shoots out light, and when smoke scatters that light into its sensor, the alarm instantly goes off.
How Does Your Phone Know Where You Are? 📱📍#TechDCoded #Technology #TechExplained #TechFacts #HowItWorks #DidYouKnow #Innovation #FutureTech #GPS #LocationTechnology #SmartphoneTech #SatelliteTechnology #Engineering #DigitalTechnology #TechEducation
Block the outer rays, and a spherical mirror's blurry focus snaps tighter. Near the center, paraxial rays meet farther out. Edge, marginal rays cross the axis closer to the mirror. What should we explain next? #science #howitworks
How Does the Internet Cross an Entire Ocean? 🌊🌐#TechDCoded #Technology #TechExplained #TechFacts #HowItWorks #DidYouKnow #Innovation #FutureTech #Internet #SubmarineCables #FiberOptics #Networking #Engineering #DigitalTechnology #TechEducation
Wi-Fi signals travel through your home as invisible radio energy.
Solid obstacles absorb or bounce these high-frequency waves instead of passing them.
Dense concrete and mirrors act as physical barriers that severely weaken connection.
CO₂ is nonpolar. Why does water become acidic when it dissolves it? The clue comes next. CO₂ is linear, so its bond dipoles cancel. Yet oxygen attracts water, letting CO₂ dissolve. What should we explain next? #science #howitworks
Your login works even when your password is wrong #howitworks #techexplained #engineeringfacts #gadgetscience