How a WITCHER'S Silver Sword Works // TRAIN BRAIN

How a WITCHER'S Silver Sword Works

A Witcher carries two swords -- one of iron for men and beasts, and the other coated in silver for monsters. But what is it about silver that makes it so good for supernatural slaying? Kyle cuts through the mystery... with science!

Because Science

Nerdist Science Editor Kyle Hill uses real-world math and science concepts to solve, measure, and make sense of pop culture quandaries in comics, video games, movies, and TV....

How Does DAREDEVIL See Without Sight? | Because Science

How Much Would a DEATH STAR Cost? | Because Science

Was the T-Rex the First Dangerous Power Walker?

Is Stranger Things' Eleven More Powerful Than A Jedi? | Because Science

Which Ancient Medicines and Treatments Do We Still Use Today?

Could You Implant Memories Into a Blade Runner Replicant? | Because Science

How Much Does Your “Ghost” Weigh? | Because Science

Is Rita Repulsa's Staff More Destructive Than Her Monsters? | Because Science

Why Do Our Fingers Get Wrinkled in Water?

How Many Wonka Fizzy Drinks Would It Take To Float? | Because Science

Is There a Football Shaped Planet Out There?

Is Sleep Paralysis Giving You Night Terrors? | Because Science

Why is Not Touching Your Face So Hard?

When Will We Walk on Mars? | Because Science

Why Do We Yawn?

The Hive Mind in the Real World | Because Science

What is Brain Freeze?

Should You Eat BRAINS? | Because Science

How Much Plastic Actually Gets Recycled?

We Already Have Human Clones: Identical Twins | Because Science

How to Make Your Own Hand Sanitizer

ZELDA Timeline According to Quantum Mechanics | Because Science

Do You Need To Worry About the Huge Asteroid Coming Towards Earth?

Real Life CUPID is TERRIFYING! | Because Science

A Note to Because Science Fans

What SONIC Can Do at TOP SPEED?

The Flash is the WRONG COLOR

The Supernova Apocalypse Equation | Because Science Footnotes

The Sun EXPLODES... What Happens Next?

Will a Witcher's Sword Turn You BLUE? | Because Science Footnotes

How a WITCHER'S Silver Sword Works

How to Calculate an Avalanche | Because Science Footnotes

How to Build a SARLACC PIT (with SCIENCE)

Making a Sarlacc Ball Pit | Because Science Footnotes

How to Fall from ANY HEIGHT and Survive

Will Ant-Man Drown in a Drop of Water? | Because Science Footnotes

How to Make a WITCHER with Science

AI-Controlled Fish-Cleaning Laser Robots | Because Science Footnotes

Volcano Lairs are a TERRIBLE Idea (feat. xkcd)

The Sound of FORCE THUNDER | Because Science Footnotes

How Does FORCE LIGHTNING Work? (Star Wars Science)

Werewolves are More Realistic than the Hulk | Because Science Footnotes

How to Make REAL Superhero Serum

Can Good Sci-Fi Be Wrong about Science? | Because Science Footnotes

Why THE EXPANSE is the Most Accurate Show on TV

Frickin' LASER BEAM Shark Science

Liquefied by a Neutron Star | Because Science Footnotes

The Neutron Star Slingshot - Gravitational Machines

Anti-Matter Lightsabers are a Bad Idea | Because Science Footnotes

The DARKSABER Explained (Star Wars SCIENCE)

The Tesla Space Heist | Because Science Footnotes

How to STEAL Elon Musk’s Space Car

It's IMPOSSIBLE to Play Magic: The Gathering Perfectly | Because Science Footnotes

I Built a COMPUTER in Magic: The Gathering

The Real Reason Behind Naruto Running? | Because Science Footnotes

Can LOTR's Flat Earth Exist? | Because Space

Is Naruto Running FASTER? (vs. Gold Medalist Sprinter!)

What if Dr. Manhattan Disintegrated You? | Because Science Footnotes

Dr. Manhattan’s Superpowers EXPLAINED

Can Captain Falcon Punch-Cook a Chicken? | Because Science Footnotes

The FALCON PUNCH’s True Power

The Free Will Illusion? | Because Science Footnotes

Is Joker Criminally Insane?

Slicing Nukes with Rocket Blades | Because Science Footnotes

Spider-Man Can't Fly Like Spiders | Because Science Live!

The Faster-Than-Light Guillotine

Does this Weapon Break the Outer Space Treaty? | Because Science Footnotes

The Area 51 "Raid" is Bad for Humanity | Because Science Live!

PROJECT THOR: Deadly Metal From Outer Space

Why NANO Vision Isn't Science Fiction

Dragon Ball Z’s 25,000-Calorie Diet | Because Science Footnotes

Is Friday the 13th Dangerous? | Because Science Live!

Dragon Ball Z’s Senzu Beans EXPLAINED

How to Make Mars Hot Enough for Humans | Because Science Footnotes

Should We Nuke Hurricanes? | Because Science Live!

Should We Nuke Mars?

How to Capture a Black Hole | Because Science Footnotes

How Black Holes Could Turn Jupiter Into a Star

Dragon Fight Physics | Because Science Footnotes