Why White LEDs Almost Didn't Exist // TRAIN BRAIN

Why White LEDs Almost Didn't Exist

These super common LED lightbulbs almost didn’t exist…
You need 3 colors to make white light. But one was missing. Why? It has do to with how the electrons “dance”...
#shorts #LEDs #technology #light #discovery

Cleo Abram

Video journalist making optimistic tech explainers. Huge If True. Instagram: https://www.instagram.com/cleoabram TikTok: https://www.tiktok.com/@cleoabram Twitter: https://twitter.com/cleoabram If you'd like to sponsor a Huge If True episode, reach out...

New Medical Treatment Saved This Little Boy’s Life

Why White LEDs Almost Didn't Exist

The Massive Machine Hidden Under Antarctica

What's the SMALLEST Black Hole?

The Sahara Desert Fertilizes the Amazon Rainforest

Why Do All Snowflakes Have 6 Sides?

Guess Which Animal Survives

Why This Plane Needs 3 Pilots

Why Scientists Bullied This Octopus

What’s the BIGGEST Planet Ever Found?

Deep Sea Creature Seen For First Time

This Airplane Fuel Is Floating. Uh Oh.

Could You Fly Through the Asteroid Belt?

Dinosaur Mummies Are Real

How Many Humans Have Ever Lived?

This Plane Cured My Fear of Flying

How to Stop This Dangerous Asteroid

This Microrobot Could Save Your Life

How Deep Does Life Exist?

What’s Up With 3I/Atlas’s Tail?

This Experiment Saved Kids’ Lives

How to Fake the Stolen Louvre Jewels

How Many Bananas Would Make You Radioactive?

We Should Get Ready for A Big Solar Storm

This Asteroid Might Hit The Moon (really)

I Need 1 More Subscriber!

New Eye Implant Might Save Your Eyesight

What REALLY Happens If This Asteroid Hits Earth

Humanity’s Real Plan to Stop This Asteroid (Feat. Mark Rober)

How This Crazy Bat Hunts A Bird

Japan’s Insane Earthquake Detection System

Hardest Part of a Rocket Launch

This Bug’s Wings Are Secretly Huge

First 3D Human Embryo Images

What If You Just Keep Shrinking?

Sharks Have A Sixth Sense

A Supermoon Is Coming!

This Comet Smashed Into Jupiter

What Animal Has The Fastest Punch?

How Do Babies Get Glasses?

This Adorable Animal Needs “Genetic Rescue”

This Animal Can Live Forever

The Biggest Asteroid That Ever Hit Earth

What’s Hidden Under Antarctica?

This Tiny Galaxy Is Orbiting Us

This Apex Predator Went Extinct. They're Bringing It Back.

This Discovery Just Won the Nobel Prize in Medicine

This Apex Predator Went Extinct. We Should Bring It Back.

What Can This ROBOT HAND Do?

Our Solar System Is On A Collision Course

These Ants Mastered... Cloning?

What Is 3I/Atlas REALLY?

We’re In A Weird Space Bubble

What If You Just Kept Holding Your Breath?

First Ever Huntington's Treatment!

What's Weird About This Tiger

How Smart Are Chimps Really?

This Blue Blood Could Save Your Life

What If You Just Keep Going?

How Do Airplane Engines Work?

Our Sky In 10,000+ Years!

How Fast Are You Moving?

Why Earth Spun Faster This Summer

This New Train Drives Itself

New Sign of Life On Mars (Really)

What If The Sun Disappeared?

Pre-historic Fungus Created Zombies

It's Like Wind Power... but for Water?

Three People Made One Baby

Sam Altman Responds to Bunnies on Trampoline

Sam Altman Shows Me GPT 5... And What's Next

Could Ants Carry A Person? We Asked Experts!

Something Weird Happens to Your Brain Without Gravity

These Pants Suck Your Blood

Huge New Iceland Volcano Eruption

What Happens to Your Brain in Zero Gravity

How Do Sunburns Work?

The ISS Is Crashing Into The Ocean

How Do They Work Out In Space?

This Battery Is Made of Sand