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Why Hardwoods Are The Softest Woods

Adults Construction
Not all hardwood trees have hard wood and softwoods soft wood, because these terms denote their taxonomic ancestry, not the wood's actual hardness.

How to Fight Fire or Flooding on a Nuclear Submarine - Smarter Every Day 244

Adults Construction
The US Navy put no restrictions on me about what I should say or how I should present what I learned on this trip. Other than making sure my footage was cleared for Operational Security, I am free to say whatever I want about this experience.

A brief history of plastic

Adults Construction
Trace the history of the invention of plastic, and how the material ushered in what became known as the plastics century.

Building The Most Creative Luxury Villa And Decoration Private Living Room

Adults Construction
About Primitive Survival Tool : We Have 3 People In the wild , Mr Pen Sann : ( Actor ) Mr Sophal : ( Actor ) Mr Kimhout (Camera Man). In this video we going to show you about our Building The Most Creative Luxury Villa And Decoration Private Living Room with very simple tools and skill !

Inside the World’s Most Expensive Hotel Room

Adults Construction
Come on in for a private stay at the Palms Resort, in Las Vegas' most expensive hotel room, where a private suite is $100,000 a night, and it's a 2 night minimum! This luxury hotel suite is for the wealthiest ballers who come to Vegas to party like a billionaire.

The Best Worst Energy Source

Adults Construction
Although coal is such an amazing energy source that we've kept using it despite the harm it causes, today we may be better poised to stop using it than at any previous time in history.

How I Boarded a US Navy Nuclear Submarine

Adults Construction
The US Navy put no restrictions on me about what I should say or how I should present what I learned on this trip.

Can You Cut Glass Like Catwoman?

Adults Construction
Today we find out if it's possible to cut glass as easy as they do in the movies.

How Weed Eaters Work

Adults Construction
How Weed Eaters Work (at 62,000 FRAMES PER SECOND)

Luxury Underground Swimming Pool

Adults Construction
Building Luxury Underground Swimming Pool With Underground House

How the world's longest underwater tunnel was built

Adults Construction
Discover how the English Channel Tunnel was built and the engineering challenges of building a 200 kilometer long tunnel underwater.

Build The Most Deep Secret Underground Temple House

Adults Construction
Today we show about how to Build The Most Secret Underground Temple House, in this project we dig 6m, it hard to dig because the house is so deep in underground and in the house we use bamboo to make bed for sleep.

How to Make a Kurzgesagt Video in 1200 Hours

Adults Construction
For years, you have been asking us how we make our videos. So let’s finally talk about it! From research, writing the script, illustrating, to animating, narrating and composing music, a Kurzgesagt video takes roughly 1.200 hours to produce!

How to Sink a Sub with Potatoes

Adults Construction
It's early spring, 1943, and the US is at last finding its footing in the war in the Pacific.

One of the most epic engineering feats in history

Adults Construction
Dig into the history of the construction of the iconic Brooklyn Bridge and how John Roebling designed a hybrid suspension system to build it.

How Could We Get To Mars In Only 28 Hours?

Adults Construction
There's a cheat code to getting to Mars. Can humans handle the harsh conditions that space will throw at them?

How 1 In A Billion Chance Brought Down A Whole Airplane

Adults Construction
The crazy tragic story of Flight 232 was all over the news 1989, about an airplane with engine failure that had to attempt a crash landing.

Why doesn’t the Leaning Tower of Pisa fall over?

Adults Construction
Dig into the 800 year history and architecture of the Leaning Tower of Pisa and find out what gives the tower its infamous tilt.

Primitive Technology: 4 years of primitive technology

Adults Construction
4 years of primitive technology.

Engineering with Origami

Adults Construction
Origami is inspiring a plethora of new engineering designs.

The Bizarre Behavior of Rotating Bodies, Explained

Adults Construction
Spinning objects have strange instabilities known as The Dzhanibekov Effect or Tennis Racket Theorem - this video offers an intuitive explanation.