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How ancient Romans made stronger concrete than today

Adults Construction
Many structures built by ancient Romans around 2,000 years ago are still standing, and some are still in excellent condition. Over the last decade, researchers have come discover the Romans' secret concrete recipe that has maintained so many of its now-ancient buildings.

How the Pyramids Were Built (Pyramid Science Part 1!)

Adults Construction
Who built the pyramids? The colossal geometric monuments found at Giza and elsewhere in Egypt are some of Earth's most impressive constructions. Pyramids are truly wonders of the ancient and modern world.

How the Pyramids Were Built (Pyramid Science Part 2!)

Adults Construction
Just because something is difficult doesn't mean it's impossible. Over the past centuries, archaeologists, historians, and engineers have reconstructed a great deal of the technology and science used to build the Egyptian pyramids. This week we look at ancient Egyptian mathematics, building techniques, tools, and culture to reconstruct the Great Pyramid's construction.

Why Atlanta's Mercedes-Benz Stadium Matters: Future MEGAPROJECTS

Adults Construction
Atlanta's Mercedes-Benz Stadium is the most expensive stadium ever built. The $1.6 billion price tag was driven by a spectacular retractable roof design, an LED video board that is by far the world's largest, and the pursuit of LEED platinum certification.

Pool Trick Shots | Dude Perfect

Adults Construction
Dude Perfect teams up w/ Pool Trick Shot legend Florian 'Venom' Kohler

How An Igloo Keeps You Warm

Adults Construction
Building a perfect igloo takes cool science!

These Recycled Plastic Bricks Work Better Than Cement Blocks

Adults Construction
ByFusion is taking plastic waste from the ocean and building something wonderful.

Robots Decorated The Outside Of This Entire Museum

Adults Construction
The Elytra Filament Pavilion was designed by a team from the University of Stuttgart.

Cardboard House

Adults Construction
Customize and Build Your Own Cardboard-Based House

Woven bark fiber

Adults Construction
I made a rough type of textile from bark fibre. This is the same tree I use for making cordage though I don't know its name. It has been raining a lot here lately (the video also shows how well the hut stands up to rain) and this caused a large wattle tree to fall down taking a few smaller trees with it.

Fast Track - Simon's Cat

Adults Construction
'A playful cat hunts a speedy foe!'

How to Build a Trebuchet | MythBusters

Adults Construction
What's the secret behind a perfect trebuchet? Adam tinkers with his mini medieval weapon to show us.

DIY CNC Laser Engraver

Adults Construction
Watch A Laser Engraver Built From Scratch In This Hypnotic Video

Self-healing concrete

Adults Construction
The secret? Believe it or not, it's bacteria.

Wintergatan - Marble Machine

Adults Construction
This Talented Man Builds A Musical Marble Machine Which Is Absolutely Marvelous

The Reclaimed Wood Shop (the power of the dark side)

Adults Construction
This Guy Decorates A House By Himself And It Is Unexpectedly Amazing

Concrete Does Not Dry Out

Adults Construction
Concrete doesn't dry - it sets!

The Angry Birds Movie VIRAL VIDEO

Adults Construction
This is Straight outta Bird island and inside snout.

Introducing Project Sunroof

Adults Construction
Project Sunroof uses information that's in Google Maps to figure out how much sun falls on a roof and takes into account stuff like the angle of the roof, the weather, and obstructions like trees and chimneys. Then it uses those measurements to figure out how many panels you'd probably need and how much you could save on your electric bill, including solar incentives in your area. You can see how buying or leasing panels affects your savings, and then send your estimate to installers in your area, instantly.

Skateboard Made Of Cardboard

Adults Construction
Can you skate paper? Hell yeah you can! We just posted our Cardboard Chaos series with Ernest Packaging where we see how far paper can go. The goal, make a skateboard out of cardboard that can handle the real elements of skateboarding. With legendary skateboard builder Paul Schmitt and the design crew at Ernest Packaging we build a few different boards until we land on one that is good enough for one of the best skateboarders in the world, Tony Hawk.

Railroad assembly line

Adults Construction
Railroad assembly line? That is a seriously incredible machine