Kurzgesagt - In a Nutshell - Season 0 Episode 17 How do Lasers Work?
Season - Episode
13
Season 13 Feb 04, 2025
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13 - 1 -
13 - 2This Is NOT An Anti Meat Video Feb 25, 2025 -
13 - 3Why Your Brain Blinds You For 2 Hours Every Day Mar 18, 2025 -
13 - 4SOUTH KOREA IS OVER Apr 02, 2025
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13 - 5 -
13 - 6We Finally Answered the MOST Important Question May 06, 2025 -
13 - 7Why Does Fentanyl Feel So Good? May 20, 2025 -
13 - 8
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13 - 9The Betrayal of Autoimmune Diseases Jul 01, 2025
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13 - 10Let's Kill You a Billion Times to Make You Immortal Jul 29, 2025
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13 - 11Alcohol is AMAZING Aug 12, 2025
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13 - 12The Drug That Works TOO Well? Aug 19, 2025
12
Season 12 Jan 30, 2024
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12 - 1Did The Future Already Happen? - The Paradox of Time Jan 30, 2024 -
12 - 2What Happens AFTER Nuclear War? Feb 20, 2024 -
12 - 3The Paradox of an Infinite Universe Feb 27, 2024 -
12 - 4How The Dinosaurs Actually Died Mar 26, 2024 -
12 - 5 -
12 - 6Smoking is Awesome May 07, 2024 -
12 - 7This Black Hole Could be Bigger Than The Universe May 21, 2024 -
12 - 8Do You Have a Free Will? Jun 11, 2024 -
12 - 9This Disease is Deadlier Than The Plague Jun 25, 2024 -
12 - 10A.I. ‐ Humanity's Final Invention? Aug 06, 2024 -
12 - 11Fever Feels Horrible, but is Actually Awesome! Aug 13, 2024 -
12 - 12We Traveled Back in Time. Now Physicists Are Angry. Aug 27, 2024 -
12 - 13We Need to Rethink Exercise (Updated Version) Sep 12, 2024 -
12 - 14Why Scientists Are Puzzled By This Virus Sep 17, 2024 -
12 - 15This Video Might Save 58 Lives Next Week Sep 24, 2024 -
12 - 16There Is Something Hiding Inside Earth Oct 03, 2024 -
12 - 17Tired of Doomscrolling? Oct 08, 2024 -
12 - 18We Fell For The Oldest Lie On The Internet Oct 29, 2024 -
12 - 19The Most Insane Weapon You Never Heard About Nov 05, 2024 -
12 - 20We Have To Talk About Weed Nov 12, 2024 -
12 - 21Vaping Is Too Good To Be True Nov 19, 2024 -
12 - 22Black Hole's Evil Twin - Gravastars Explained Dec 03, 2024 -
12 - 23Is The World Getting More Violent? Dec 10, 2024 -
12 - 24The Real Reason Why You Have Allergies Dec 12, 2024
11
Season 11 Feb 14, 2023
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11 - 1The Most Complex Language in the World Feb 14, 2023 -
11 - 2What Actually Happens When You Are Sick Feb 28, 2023 -
11 - 3How We Make Money on YouTube with 20M Subs Mar 28, 2023 -
11 - 4Why Aliens Might Already Be On Their Way To Us Apr 11, 2023 -
11 - 5Your Body Killed Cancer 5 Minutes Ago May 09, 2023 -
11 - 6The Black Hole That Kills Galaxies Jun 11, 2023 -
11 - 7The Reason Why Cancer is so Hard to Beat Jun 18, 2023 -
11 - 8The Most Dangerous Weapon Is NOT Nuclear Jul 02, 2023 -
11 - 9The (Second) Most Deadliest Virus on Earth Aug 08, 2023 -
11 - 10What Happens If You Destroy A Black Hole? Aug 16, 2023 -
11 - 11How A Nuclear War Will Start - Minute by Minute Aug 22, 2023 -
11 - 12We Did The Math - You Are Dead! Sep 12, 2023 -
11 - 13Why Korea is Dying Out Oct 04, 2023 -
11 - 14Ancient Life as Old as the Universe Oct 10, 2023 -
11 - 154.5 Billion Years in 1 Hour Oct 11, 2023 -
11 - 16How to Win an Interstellar War Oct 15, 2023 -
11 - 17The Last Thing To Ever Happen In The Universe Nov 21, 2023 -
11 - 18The Internet is Worse Than Ever – Now What? Nov 29, 2023 -
11 - 19How To Destroy The Universe Dec 08, 2023 -
11 - 20Your Tattoo is INSIDE Your Immune System. Literally Dec 12, 2023 -
11 - 21You Are The Center of The Universe (Literally) Dec 17, 2023
10
Season 10 Feb 08, 2022
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10 - 1What Happens if the Moon Crashes into Earth? Feb 08, 2022 -
10 - 2Are There Lost Alien Civilizations in Our Past? Mar 01, 2022 -
10 - 3We WILL Fix Climate Change! Apr 05, 2022 -
10 - 4The Most Horrible Parasite: Brain Eating Amoeba May 03, 2022 -
10 - 5You Are Not Where You Think You Are May 17, 2022 -
10 - 6Change Your Life - One Tiny Step at a Time Jun 07, 2022 -
10 - 7The Last Human - A Glimpse Into The Far Future Jun 28, 2022 -
10 - 8The Deadliest Virus on Earth Jul 26, 2022 -
10 - 9Is Civilization on the Brink of Collapse? Aug 16, 2022 -
10 - 10Why You Are Lonely and How to Make Friends Sep 06, 2022 -
10 - 11 -
10 - 12What Happens if a Supervolcano Blows Up? Oct 18, 2022 -
10 - 13Why Don't We Shoot Nuclear Waste Into Space? Nov 08, 2022 -
10 - 14The Most Extreme Explosion in the Universe Nov 23, 2022 -
10 - 15The Horror of the Slaver Ant Dec 06, 2022 -
10 - 16How To Terraform Mars - WITH LASERS Dec 11, 2022 -
10 - 17Black Hole Star – The Star That Shouldn't Exist Dec 15, 2022
9
Season 9 Feb 02, 2021
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9 - 1 -
9 - 2 -
9 - 3Do we Need Nuclear Energy to Stop Climate Change? Apr 13, 2021 -
9 - 4The Ultimate Guide to Black Holes Apr 27, 2021 -
9 - 5 -
9 - 6What Are You Doing With Your Life? The Tail End May 25, 2021 -
9 - 7The Day the Dinosaurs Died – Minute by Minute Jun 15, 2021 -
9 - 8How To Terraform Venus (Quickly) Jul 06, 2021 -
9 - 9 -
9 - 10How The Immune System ACTUALLY Works – IMMUNE Aug 10, 2021 -
9 - 11This Virus Shouldn't Exist (But it Does) Aug 31, 2021 -
9 - 12Can YOU Fix Climate Change? Sep 22, 2021 -
9 - 13What Dinosaurs ACTUALLY Looked Like? Oct 12, 2021 -
9 - 14You Are Immune Against Every Disease Nov 02, 2021 -
9 - 15Is Meat Really that Bad? Nov 30, 2021 -
9 - 16...And We'll Do it Again Dec 07, 2021 -
9 - 17Why We Should NOT Look For Aliens - The Dark Forest Dec 14, 2021
8
Season 8 Jan 26, 2020
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8 - 1Milk. White Poison or Healthy Drink? Jan 26, 2020 -
8 - 2How to Make a Kurzgesagt Video in 1200 Hours Feb 16, 2020
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8 - 3Why Blue Whales Don't Get Cancer - Peto's Paradox Mar 01, 2020 -
8 - 4The Coronavirus Explained & What You Should Do Mar 19, 2020 -
8 - 5Why Are You Alive – Life, Energy & ATP May 10, 2020 -
8 - 6
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8 - 7 -
8 - 8
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8 - 9What Is Intelligence? Where Does it Begin? Jul 12, 2020 -
8 - 10 -
8 - 11Unlimited Resources From Space – Asteroid Mining Aug 16, 2020 -
8 - 12The Warrior Kingdoms of the Weaver Ant Aug 30, 2020 -
8 - 13The Largest Star in the Universe – Size Comparison Sep 22, 2020 -
8 - 14
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8 - 15When Time Became History - The Human Era Oct 06, 2020 -
8 - 16Geoengineering: A Horrible Idea We Might Have to Do Oct 27, 2020 -
8 - 17How Large Can a Bacteria get? Life & Size 3 Nov 10, 2020 -
8 - 18 -
8 - 19Can You Upload Your Mind & Live Forever? Dec 10, 2020 -
8 - 20What if We Nuke the Moon? Dec 15, 2020
7
Season 7 Jan 13, 2019
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7 - 1 -
7 - 2 -
7 - 3Loneliness Feb 17, 2019 -
7 - 4 -
7 - 5What If We Detonated All Nuclear Bombs at Once? Mar 31, 2019 -
7 - 6 -
7 - 7The Side Effects of Vaccines — How High Is the Risk? May 12, 2019 -
7 - 8Is the EU Democratic? Does Your Vote Matter? May 19, 2019 -
7 - 9Is Meat Bad for You? Is Meat Unhealthy? Jun 09, 2019 -
7 - 10Could Your Phone Hurt You? Electromagnetic Pollution Jul 07, 2019 -
7 - 11Tiny Bombs in Your Blood — The Complement System Jul 28, 2019 -
7 - 12The World War of the Ants — The Army Ant Aug 11, 2019 -
7 - 13The Egg — A Short Story Sep 01, 2019 -
7 - 14 -
7 - 15 -
7 - 16What If We Nuke a City? Oct 13, 2019 -
7 - 17 -
7 - 181,000 km Cable to the Stars — The Skyhook Nov 17, 2019 -
7 - 19An Antidote to Dissatisfaction Dec 08, 2019 -
7 - 20Overpopulation & Africa Dec 15, 2019
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7 - 21How to Move the Sun: Stellar Engines Dec 22, 2019
6
Season 6 Feb 01, 2018
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6 - 1Why Alien Life Would Be Our Doom — The Great Filter Feb 01, 2018 -
6 - 2 -
6 - 3 -
6 - 4 -
6 - 5 -
6 - 6The Black Hole Bomb and Black Hole Civilizations Apr 22, 2018 -
6 - 7 -
6 - 8 -
6 - 9 -
6 - 10 -
6 - 11Wormholes Explained — Breaking Spacetime Aug 12, 2018 -
6 - 12 -
6 - 13Why Meat Is the Best Worst Thing in the World Sep 30, 2018 -
6 - 14 -
6 - 15End of Space — Creating a Prison for Humanity Nov 25, 2018 -
6 - 16 -
6 - 17Aliens Under the Ice — Life on Rogue Planets Dec 27, 2018 -
6 - 18Episode 18 Jan 01, 1970
5
Season 5 Feb 01, 2017
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5 - 1Why Earth Is a Prison and How to Escape It Feb 01, 2017 -
5 - 2 -
5 - 3Are GMOs Good or Bad? Genetic Engineering & Our Food Mar 30, 2017 -
5 - 4Is the European Union Worth It or Should We End It? Apr 13, 2017 -
5 - 5 -
5 - 6
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5 - 7Optimistic Nihilism Jul 26, 2017 -
5 - 8 -
5 - 9 -
5 - 10What Happens If We Bring the Sun to Earth? Sep 07, 2017
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5 - 11Is Reality Real? The Simulation Argument Sep 21, 2017
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5 - 12How Bacteria Rule Over Your Body — The Microbiome Oct 05, 2017 -
5 - 13Why Age? Should We End Aging Forever? Oct 20, 2017 -
5 - 14How to Cure Aging — During Your Lifetime? Nov 03, 2017 -
5 - 15Emergence — How Stupid Things Become Smart Together Nov 16, 2017 -
5 - 16 -
5 - 17
4
Season 4 Jan 31, 2016
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4 - 1The Last Star in the Universe — Red Dwarfs Explained Jan 31, 2016 -
4 - 2Why the War on Drugs Is a Huge Failure Mar 01, 2016 -
4 - 3The Antibiotic Apocalypse Explained Mar 16, 2016 -
4 - 4
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4 - 5Safe and Sorry — Terrorism & Mass Surveillance Apr 14, 2016
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4 - 6How Far Can We Go? Limits of Humanity (old version) May 12, 2016
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4 - 7What Are You? May 31, 2016 -
4 - 8What Happened Before History? Human Origins Jun 23, 2016 -
4 - 9Death From Space — Gamma-Ray Bursts Explained Jul 31, 2016 -
4 - 10 -
4 - 11
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4 - 12 -
4 - 13Fusion Energy Explained — Future or Failure Nov 10, 2016 -
4 - 14 -
4 - 15A New History for Humanity — The Human Era Dec 07, 2016 -
4 - 16Overpopulation — The Human Explosion Explained Dec 22, 2016
3
Season 3 Jan 20, 2015
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3 - 1How Small Is an Atom? (Spoiler: Very Small) Jan 20, 2015 -
3 - 2Measles Explained — Vaccinate or Not? Feb 24, 2015 -
3 - 3Banking Explained — Money and Credit Mar 12, 2015 -
3 - 4Nuclear Energy Explained: How Does It Work? (1/3) Mar 26, 2015 -
3 - 53 Reasons Why Nuclear Energy Is Terrible! (2/3) Apr 01, 2015 -
3 - 63 Reasons Why Nuclear Energy Is Awesome! (3/3) Apr 01, 2015 -
3 - 7The Fermi Paradox — Where Are All the Aliens? May 06, 2015 -
3 - 8The Fermi Paradox II — Solutions and Ideas Jun 04, 2015 -
3 - 9 -
3 - 10What if There Was a Black Hole in Your Pocket? Jul 16, 2015 -
3 - 11What Is Dark Matter and Dark Energy? Aug 06, 2015 -
3 - 12The European Refugee Crisis and Syria Explained Sep 01, 2015 -
3 - 13Addiction Oct 01, 2015 -
3 - 14What Is Light? Oct 15, 2015 -
3 - 15How Facebook Is Stealing Billions of Views Nov 10, 2015
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3 - 16
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3 - 17Black Holes Explained — From Birth to Death Dec 15, 2015
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3 - 18What Is Something? Dec 23, 2015
2
Season 2 Feb 03, 2014
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2 - 1Three Ways to Destroy the Universe Feb 03, 2014 -
2 - 2The Beginning of Everything — The Big Bang Mar 03, 2014 -
2 - 3Who Invented the Internet? And Why? Apr 10, 2014 -
2 - 4How Big Is the Moon? (MM#1) May 05, 2014 -
2 - 5The Moons of Mars Explained — Phobos & Deimos (MM#2) May 14, 2014 -
2 - 6How to Catch a Dwarf Planet — Triton (MM#3) May 26, 2014 -
2 - 7Are You Alone? (In the Universe) Jun 02, 2014 -
2 - 8Iraq Explained — ISIS, Syria and War Jun 19, 2014 -
2 - 9The Immune System Explained I — Bacteria Infection Jul 01, 2014 -
2 - 10Everything You Need to Know About Planet Earth Aug 04, 2014 -
2 - 11Atoms as Big as Mountains — Neutron Stars Explained Sep 03, 2014 -
2 - 12Is War Over? — A Paradox Explained Oct 09, 2014 -
2 - 13 -
2 - 14What Is Life? Is Death Real? Dec 14, 2014 -
2 - 15The Ultimate Conspiracy Debunker Dec 18, 2014
1
Season 1 Jul 11, 2013
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1 - 1How Evolution Works Jul 11, 2013 -
1 - 2The Solar System — Our Home in Space Aug 22, 2013 -
1 - 3Fracking Explained: Opportunity or Danger Sep 03, 2013 -
1 - 4The Gulf Stream Explained Oct 11, 2013 -
1 - 5How the Stock Exchange Works (For Dummies) Nov 23, 2013 -
1 - 6The History and Future of Everything — Time Dec 19, 2013
0
Season 0 Apr 23, 2014
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0 - 1Help Us Make More Videos for Kurzgesagt Apr 23, 2014
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0 - 2
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0 - 3
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0 - 4Can You Trust Kurzgesagt Videos? Mar 03, 2019 -
0 - 5The 12,020 Human SPACE Era Calendar Nov 03, 2019
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0 - 6The 12,021 Human Era Calendar Oct 11, 2020
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0 - 7Two Chapters From Our New Book – Exclusive Preview! Sep 28, 2021 -
0 - 8
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0 - 9HIDDEN WORLDS - Limited Edition Calendar! Oct 11, 2022
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0 - 10Our Very First Merch Drop – Cosmic Pioneers Edition Apr 16, 2023
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0 - 11Why Is the Ocean Salty and Rivers Are Not? May 04, 2023 -
0 - 12How Tiny Can a Black Hole Be? May 11, 2023 -
0 - 13The Ultimate Fight: Tardigrade vs. Bird May 14, 2023 -
0 - 14Magnetic Pole Shift - A Doomsday Scenario? May 18, 2023 -
0 - 15How to Cut a Sandwich Perfectly – With Science May 25, 2023 -
0 - 16Earth as a Cube – What Would It Look Like? Jun 01, 2023 -
0 - 17How do Lasers Work? Jun 08, 2023 -
0 - 18Let's Make Earth Twice as Large! Jun 02, 2023 -
0 - 19Are Your Friends More Popular than You? Jun 29, 2023 -
0 - 20 -
0 - 21What Happens if Earth Suddenly Stops Rotating? Jul 13, 2023 -
0 - 22What If You’re in Space without a Spacesuit? Jul 20, 2023 -
0 - 23How Many Moons Could Earth Handle? Jul 27, 2023 -
0 - 24A Glimpse Into Our Future Oct 17, 2023 -
0 - 25The Moment Kurzgesagt Changed Forever Dec 05, 2023 -
0 - 26Would You Choose Life On Earth Or in Space? Sep 21, 2023
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0 - 27Cooking a Chicken in a Particle Accelerator Dec 28, 2023
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0 - 28You Swallowed a Tapeworm – What Now? Jan 04, 2023
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0 - 29Let’s Shrink Earth to Half Its Size Jan 11, 2023
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0 - 30
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0 - 31What If Our Sun Disappeared? Jan 25, 2023
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0 - 32Can You Escape a Black Hole? Feb 08, 2023
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0 - 33Something in Your Kitchen Emits Antimatter Feb 15, 2023
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0 - 34What Does the Moon Smell Like? Feb 29, 2024
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0 - 35Will Europe Freeze over When the Gulf Stream Stops? Mar 07, 2024
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0 - 36AI Can Literally Lend You a Hand Mar 14, 2024
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0 - 37YOU Own the Moon. And Mars. And Venus. Mar 21, 2024
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0 - 38ONE Gene Determines How Many Fingers You Have Apr 04, 2024
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0 - 39Let's Cook a Galaxy Apr 11, 2024
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0 - 40How You Can Live Forever... Maybe. Apr 25, 2024
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0 - 41
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0 - 42Why Is the Night Sky Black? May 16, 2024
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0 - 43Your Hidden Superpower May 28, 2024
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0 - 44How Old Can You Get? May 30, 2024
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0 - 45Something Travels Faster than Light Jun 06, 2024
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0 - 46We Are Making a VIDEO GAME Jun 09, 2024
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0 - 47Our Brains Are Not Special. But Why Are We? Jun 20, 2024
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0 - 48The Deadly Power of a Coin-Sized Black Hole Jul 04, 2024
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0 - 49Can We Stop the Extinction? Jul 11, 2024
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0 - 50Can Our Universe Destroy Itself? Jul 25, 2024
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0 - 51The Sun is NOT Yellow! Aug 01, 2024
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0 - 52Fentanyl Explained Aug 22, 2024
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0 - 53This Happens When You Get a Tattoo Aug 29, 2024
Overview
Have you ever wondered how lasers work? Well, we did!
Year 2025
Studio YouTube
Director Philipp Dettmer
Crew
Popularity 2.2376
Language English
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