Free Science & Tech Documentaries — Page 4
Physics, chemistry, evolution and the frontiers of human knowledge. 889 free science documentaries.
Why Our Existence Doesn't Really Make Sense | Science's Greatest Mysteries Episode 62025•50m•HD•★7.7
Why Don’t Railroads Need Expansion Joints?2024•27m•4K•★7.7
Can Humanity Stop A Planet-Killing Asteroid?2025•13m•4K•★7.7
The asbestos problem is worse than we thought2026•55m•4K•★7.7
Mars Has a Fatal Flaw - And No-one Has the Solution (ft. Veritasium)2025•50m•4K•★7.7
Something Strange Happens When You Follow Einstein's Math2024•37m•4K•★7.7
How NASA Made The Indestructible Wheel2023•26m•4K•★7.7
Alaskan Dinosaurs | Full Documentary | NOVA | PBS2025•54m•HD•★7.7
34 Years Of Strandbeest Evolution2024•22m•4K•★7.7
What They (Probably) Don't Teach You About Rainbows At School2024•27m•4K•★7.7
Dino Birds | Full Documentary | NOVA | PBS2025•54m•HD•★7.7
The Biggest Misconception in Physics2025•28m•4K•★7.7
Pregnancy is Insane2025•13m•4K•★7.7
AlphaFold - The Most Useful Thing AI Has Ever Done2025•25m•4K•★7.7
How this helicopter survived 1004 days on Mars, then disappeared...2025•29m•4K•★7.7
We've Been Using The Wrong Science In Court For 50 years2026•23m•4K•★7.7
The Future of Veritasium2025•18m•4K•★7.7
Google Maps is unreasonably fast. Let me explain2026•30m•4K•★7.7
The Hidden Science of Fireworks2023•31m•4K•★7.7
What Happens If You Keep Slowing Down?2026•30m•4K•★7.7
Discussing the Frontier of Particle Physics with Brian Cox2025•1h 15m•HD•★7.7
What happens if you drop 0.125 grams of antimatter?2026•59m•4K•★7.7
The Man Who Fooled The World2025•46m•4K•★7.7
SOUTH KOREA IS OVER2025•15m•4K•★7.7
Weird Things Happen When Energy Goes Negative2025•35m•4K•★7.7
GERMANY IS OVER2026•14m•4K•★7.7
Your Time Machine Broke - At The Worst Time In History2025•13m•4K•★7.7
The Fascinating Secrets Of Quantum Physics & Gravity With Jim Al-Khalili2025•3h 28m•HD•★7.7
The Gene: An Intimate History - Episode 2 (2020)2020•1h 54m•HD•★7.7
Hunting the Elements (2012) | Full Documentary | NOVA2012•1h 53m•HD•★7.7
The Gene: An Intimate History - Episode 1 (2020)2020•1h 54m•HD•★7.7
How Prehistoric Men Survived | Full Special | History2024•1h 31m•HD•★7.7
Investigating the Periodic Table with Experiments - with Peter Wothers2019•1h 26m•HD•★7.7
Brian Cox: The quantum roots of reality | Full Interview2025•1h 20m•HD•★7.7
Quantum entanglement and the illusion of time, in 79 minutes | Jim Al-Khalili: Full Interview2026•1h 19m•HD•★7.7
Chemical Curiosities: Surprising Science and Dramatic Demonstrations - with Chris Bishop2012•1h 9m•HD•★7.7
The Big Picture: From the Big Bang to the Meaning of Life - with Sean Carroll2017•1h 4m•HD•★7.7
The mind-bending reality of quantum mechanics - with Jim Al Khalili2025•1h 1m•HD•★7.7
Quantum Fields: The Real Building Blocks of the Universe - with David Tong2017•1h 0m•HD•★7.7
How nanoparticles are quietly revolutionising the world | with Ivan Parkin2026•1h 0m•HD•★7.7
The real science of the nuclear age: behind Oppenheimer - with Frank Close2025•1h 0m•HD•★7.7
What is a white hole? – with Carlo Rovelli2023•1h 0m•HD•★7.7
Why does light exist? - with Gideon Koekoek2025•59m•HD•★7.7
The earth as a planet - Carl Sagan's 1977 Christmas Lectures 1/62024•1h 0m•HD•★7.7
The quantum revolution - with Sean Carroll2024•56m•HD•★7.7
Something Strange Happens When You Trust Quantum Mechanics2025•33m•4K•★7.7
Future Computers Will Be Radically Different (Analog Computing)2022•22m•4K•★7.7
The Crystal That Could Destroy All Medicine2026•33m•4K•★7.7
The Tiny Donut That Proved We Still Don't Understand Magnetism2026•36m•4K•★7.7
Why Airships Might Make A Comeback2023•21m•4K•★7.7
We're 99.9% sure this pattern is true, but no one can prove it2026•42m•4K•★7.7
The CIA's new tech doesn't make sense2026•21m•4K•★7.7
The Scariest Chart In Electrical Engineering2026•40m•4K•★7.7
Baltimore Bridge Collapse | Full Documentary | NOVA | PBS2025•54m•HD•★7.7
Space oddities - with Harry Cliff2024•54m•HD•★7.7
The most surprising discoveries from our universe – with Chris Lintott2024•1h 0m•HD•★7.7
How physics connects our universe - with Chris White2025•57m•HD•★7.7
What really happened during the Big Bang? - with Niyayesh Afshordi2025•1h 4m•HD•★7.7
The history of space science - with Maggie Aderin-Pocock2025•57m•HD•★7.7
The physics behind killing cancer with light (photodynamic therapy) | with Stephen Bown2026•1h 3m•HD•★7.7
Searching the Solar System - Christmas Lectures 2025 with Maggie Aderin-Pocock 2/32025•58m•HD•★7.7
To the Stars and Beyond - Christmas Lectures 2025 with Maggie Aderin-Pocock 3/32025•59m•HD•★7.7
The Extraordinary Stories Behind the Elements | BBC Earth Science2026•50m•4K•★7.7
Are We The Universe’s Way of Knowing Itself? With Brian Cox2025•1h 46m•HD•★7.7
Answering Questions About The Silurian Hypothesis, Mining on the Moon & Time2025•38m•HD•★7.7
Is the Matrix Actually Real? ️ Through the Wormhole | Science Channel2026•1h 11m•HD•★7.7
Life and Death | Through the Wormhole | Science Channel2025•1h 3m•HD•★7.7
An Interview with the Winner of the 2025 Nobel Prize in Physics, John Martinis2026•58m•HD•★7.7
Ask Neil Anything, December 2025 | Free Patreon Exclusive2025•1h 7m•HD•★7.7
Neil & a Plasma Physicist Discuss the Future of Fusion Energy2025•54m•HD•★7.7
Is Space Expanding Faster Than Light? | Cosmic Queries #1102026•56m•HD•★7.7
The Universe is Stranger Than We Could’ve Imagined, with Mordecai-Mark Mac Low2026•1h 0m•HD•★7.7
The Search For Alien Life And a New Home | Space's Deepest Secrets | Science Channel2025•1h 20m•HD•★7.7
EXTREME HEAT! | How the Universe Works | Science Channel2026•51m•HD•★7.7
Would You Really Want to Know if You’re in a Simulation? | Cosmic Queries #1132026•47m•HD•★7.7
Exploring the Universe Through Science | What Is Astronomy?2025•49m•HD•★7.7
Editing Your DNA, with Nobel Prize Winner Dr. Jennifer Doudna2025•54m•HD•★7.7
Quantum Entanglement, Explained2022•58m•HD•★7.7
What Is the Universe Really? | The Search for Ultimate Truth2025•1h 0m•HD•★7.7
Jim Al-Khalili Explains, What If The Universe Has No End?2025•1h 58m•HD•★7.7
How Quantum Mechanics Rewrites The Laws Of The Universe2025•3h 57m•HD•★7.7
The Incredible Power Of Our Earth | BBC Earth Science | BBC Studios2025•36m•HD•★7.7
Inside the planet’s race to adapt | Global Warning E2 | Featured Documentary2025•47m•HD•★7.7
Inside the planet’s fight to end fossil fuels | Global Warning E3 | Featured Documentary2025•47m•HD•★7.7
How The Ocean Floor Powers Our Planet2025•49m•HD•★7.7
Prof Alice Roberts Uncovers Incredible Origins Of Ancient Humans | BBC Timestamp2025•58m•HD•★7.7
The Secrets Of Quantum Physics & Gravity With Jim Al-Khalili2025•3h 28m•HD•★7.7
The Rise Of Genetic Engineering | Gene-Editing Technology | Science Documentary2024•43m•HD•★7.7
Volcanoes Across the Solar System - Secrets of Earth, Mars, and Beyond2026•50m•HD•★7.7
Secrets of the Deadly T-Rex: King of the Dinosaurs (Full Episode) | Lost Beasts Unearthed2024•44m•4K•★7.7
Secrets of the T-Rex & More | Lost Beasts Unearthed MEGA Episode | Nat Geo Animals2025•3h 41m•4K•★7.7
Neil deGrasse Tyson and Richard Dawkins Discuss Science, Religion & Evolution2024•53m•HD•★7.7
Inside The Multi-Million Dollar Global Dinosaur Fossil Market | Bones Of Contention - Part 1/22025•47m•HD•★7.7
Why It Was Almost Impossible to Make the Blue LED2024•34m•4K•★7.7
The Closest We’ve Come to a Theory of Everything2024•33m•4K•★7.7
This is the natural disaster to worry about2025•41m•4K•★7.7
The Most Controversial Idea In Biology2025•29m•4K•★7.7
The Science Behind Dogs' Incredible Sense Of Smell2022•22m•4K•★7.7
Hunt for the Giant Squid | SPECIAL | Nat Geo Animals2025•44m•4K•★7.7
What Jumping Spiders Teach Us About Color2024•33m•4K•★7.7
The DEADLIEST Storms in the World | Fatal Forecast Full Season Marathon2026•6h 59m•4K•★7.7
Secrets of the World’s Most Active UFO Zones | Encounter UFO 1072026•47m•4K•★7.7
Expedition Antarctica2024•50m•4K•★7.7
UFO Landing Sites That Shock Scientists | Encounter UFO 1062026•47m•4K•★7.7
The Cascadia Megaquake Is Inevitable. And It Will Reshape America Forever2026•36m•HD•★7.7
Bat Superpowers | Full Documentary | NOVA | PBS2025•54m•HD•★7.7
Why No One Has Measured The Speed Of Light2020•19m•4K•★7.7
How One Line in the Oldest Math Text Hinted at Hidden Universes2023•31m•4K•★7.7
What Actually Happened To Amelia Earhart?2024•37m•4K•★7.7
Secrets of Pompeii's Dead (Full Episode) | Drain the Oceans | National Geographic2025•44m•4K•★7.7
Did You Know There Was A Volcano Under Yellowstone? | X-Ray Earth (Full Episode) | Nat Geo Animals2025•44m•4K•★7.7
Our World is on Fire (Full Movie)2024•52m•4K•★7.7
Inside the World’s Worst Disasters | Beyond Catastrophes FULL SEASON MARATHON2026•5h 59m•4K•★7.7
The Human Cost of a Warming Planet | Mutant Weather 103+1042026•1h 30m•4K•★7.7
The Polar Vortex That Shook the World | Fatal Forecast 1032025•53m•4K•★7.7
The Deadly Future of Extreme Weather | Mutant Weather Full Season Marathon2026•7h 28m•4K•★7.7
How Heat, Lightning, and Climate Change Create Mega Wildfires | Mutant Weather 1012025•45m•4K•★7.7
The Heat Wave That Pushed Cities to the Brink | Mutant Weather 1082026•45m•4K•★7.7
How Pollution Is Poisoning Our Skies | Mutant Weather 1092026•45m•4K•★7.7
Climate change and the rich | DW Documentary2023•27m•HD•★7.7
Tourism in times of climate change | DW Documentary2023•28m•HD•★7.7
The Simplest Math Problem No One Can Solve - Collatz Conjecture2021•22m•4K•★7.7
Math's Fundamental Flaw2021•34m•4K•★7.7
The Discovery That Transformed Pi2021•19m•4K•★7.7
The Most Controversial Idea In Math2025•33m•4K•★7.7
Exploring Earth's Most Extreme Climates | Hostile Planet Season 1 MEGA Episode | National Geographic2025•4h 42m•4K•★7.7
Volcano Odyssey (Full Movie)2024•52m•4K•★7.7
Shifting powers - NATO and the Global South | DW Documentary2024•28m•HD•★7.7
Russia’s nuclear threats - In wartime, how safe are Ukraine’s nuclear power plants? | DW Documentary2024•52m•HD•★7.7
Chasing Carbon Zero | Full Documentary | NOVA | PBS2023•54m•HD•★7.7
The Birth of the European Continent2022•51m•HD•★7.7
Incredible Transformations of the European Continent2022•52m•HD•★7.7
"Once Infected, Death Was Certain": Inside Japan's Secret Death Lab | Inside Unit 731 - Part 12026•47m•HD•★7.7
How the World's Tallest Bridge Became an Engineering Marvel | Blueprint2025•46m•HD•★7.7
Why Hollywood Always Gets Armour and Weapons Wrong2026•22m•HD•★7.7
Sunken Treasures (Full Episode) | Drain the Oceans2022•47m•4K•★7.7
Simulated Reality2016•23m•HD•★7.7
The End of Oil, Explained | FULL EPISODE | Vox + Netflix2021•23m•HD•★7.7
Sweden's Prefab Revolution | New Episode | SBS Dateline2025•24m•HD•★7.7
The Silk Road: The Route That Sparked Revolutions2026•52m•HD•★7.7
4.5 Billion Years in 1 Hour2023•1h 4m•HD•★7.7
Inside The Epic Sea Journey From New Zealand To Antarctica | Expedition Antartica2019•50m•HD•★7.7
How Billie Eilish and FINNEAS Created Oscar-Winning 'What Was I Made For' | Vanity Fair2023•19m•HD•★7.7
How Japan is DESTROYING American Breakfast!!2026•27m•HD•★7.7
US–Türkiye: Resolving rifts? | Inside America2026•26m•HD•★7.7
This game theory problem will change the way you see the world2023•27m•4K•★7.7
The Infinite Pattern That Never Repeats2020•21m•4K•★7.7
The Oldest Unsolved Problem in Math2024•32m•4K•★7.7
How Dangerous is a Penny Dropped From a Skyscraper?2022•23m•4K•★7.7
The SAT Question Everyone Got Wrong2023•18m•4K•★7.7
Why Super Glue Is Perfect For Gluing Skin2025•26m•4K•★7.7
Why Do Escalator Steps Have Teeth?2025•22m•4K•★7.7
What Everyone Gets Wrong About Planes2024•19m•4K•★7.7
You (likely) don't understand how a sewing machine works2023•19m•4K•★7.7
I got buried in concrete to explain how it works2023•24m•4K•★7.7
I took an IQ test to explain what's wrong with them2023•34m•4K•★7.7
This mechanism shrinks when pulled2025•23m•4K•★7.7
The world depends on a collection of strange items. They're not cheap2022•19m•4K•★7.7
Risking My Life To Settle A Physics Debate2021•22m•4K•★7.7
The South Pole (Full Episode) | Pole to Pole with Will Smith | National Geographic2026•46m•4K•★7.7