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So You Want to Build a Tunnel... 21 min 
The Hidden Engineering of Floating Bridges 18 min 
Sam Altman Shows Me GPT 5... And What's Next 66 min 
The Second Punic War - OverSimplified (Part 2) 38 min 
iPhone 18 Pro Unboxing - This Needs Explaining 13 min 
Why Are There No Short Arch Dams? 17 min 
What's the Use 3 min 
This 1950's ATV Concept ? 15 min 
Abandoned in Germany with $0 for 24 Hours (Man vs. Woman) 46 min 
How the Channel Tunnel Works 24 min 
The Training Exercise That Killed 700 Troops | Fascinating Horror 12 min 
I've Been Thinking 1 min 
Magnet Board cleans up! 1 min 
Why American Airlines Stopped Making Money 22 min 
The Luna Ultra Just Got Better! (Big Firmware Update!) 9 min 
Huge Copyright Strike Situation 18 min 
The Most Powerful Smartphone of 2026 8 min 
Skills vs MCP vs RAG vs Memory: What AI Agents Need to Know 10 min 
What's Under Your Feet in New York City? 23 min 
AI News: OpenAI Just Put the Brakes on AI 33 min 
Taken 4 (2027) Liam Neeson & Maggie Grace 9 min 
Why Crimson Desert Updates Are Slowing Down 1 min 
Why Cold Drinks Were Deadly Before 1914 31 min 
No Up, No Down 4 min 
my life in the suburbs with a boy 🧸💕 | exploring OC, beach day, getting active & room haul! 30 min 
Puff’s Super DIY Challenge: Let’s Have Fun with Crafts! | That Little Puff 10 min 
Main Na Raha Mera (Teaser) | Adhyayan Suman | Divita Rai | Arijit Singh 2 min 
Plasma Globe Can Be a Fire Hazard #experiment #technology #science #funny 1 min 
Stopping the Unstoppable 16 min 
i moved to NYC with a cat and two suitcases 🍎🚕 26 min 
Essential Skills for Becoming an AI Engineer: RAG, AI Agents, & More 11 min 
Practical Magic (1998) - Midnight Margarita Magic (5/11) | Movieclips 2 min 
The Hidden Engineering of Runways 19 min 
Hurricane vs. Tiny Houses 23 min 
How Liquid Dampers in Skyscrapers Work 20 min 
Nobody Uses These Common Objects Correctly 17 min 
Name That Infrastructure (Ep. 11) #shorts 1 min 
My Take on The New Apple 12 min 
4 ways to tell a great story 6 min 
Why This Olympic Sport Bothers Physicists 17 min 
Why don’t AI companies just slow down? 2 min 
Sex-Triggered Asthma?! #science #scishow #asthma #romance 1 min 
After ten years, it's time to stop weekly videos. 9 min 
Something Huge Is Coming... 3 min 
The dark origins of Disney fairy tales - Claudia Schwabe 6 min 
Reading & Writing Latin American literature: Crash Course Latin American Literature #13 11 min 
How The Space Shuttle Worked | Full Documentary 78 min 
How Do Mountains Form?: Crash Course Geology #11 10 min 
The Wildest Take-Off of My Life 30 min 
Why People Thought "Aliens" Made These Rocks 12 min 
The First Punic War - OverSimplified (Part 1) 28 min Some of us just yearn for the mines. 🌌Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🚆Watch A Bit Obscure: https://nebula.tv/abitfrank/a-bit-obscure?ref=practical-engineering Mentions in the intro: @colinfurze @GhostTownLiving @saveitforparts @JerryRigEverything A little exploration into modern tunnel construction methods used in public infrastructure and how those lessons can be applied to endeavors of the more homemade variety. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-so-you-want-to-build-a-tunnel Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: http://practical.engineering Twitter: https://twitter.com/HillhouseGrady Instagram: https://www.instagram.com/practicalengineering Reddit: https://www.reddit.com/r/PracticalEngineering Facebook: https://www.facebook.com/PracticalEngineerGrady Patreon: http://patreon.com/PracticalEngineering SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at practicalengineering@standard.tv DISCLAIMER ____________________________________ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ This video is sponsored by Nebula. Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks. Video by Grady Hillhouse Edited by Wesley Crump Produced by Ralph Crewe Graphics by Nebula Studios MUSIC CREDITS ____________________________________ The Early Bird from Epidemic Sound Rhubarb from Epidemic Sound Woodland Expedition composed by Caleb Winters (https://beacons.ai/calebwinters) Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=U6fBPdu8w9U
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