Primitive Technology: Rock-Throwing Catapult (Trebuchet)
AdultsCreativityEducationNature...I built a trebuchet, a type of catapult that uses a counter weight to store gravitational potential energy which is then used to fire a projectile via a sling.
Primitive Technology: Improved Multi-Blade Blower
AdultsConstructionCreativityEducation...In the 6 years since I developed the first forge blower I had made very few improvements to it's design.
Erika Bergman: Finding Aliens Underwater
KidsEnvironmentWorldScience...Erika combines her two great passions: engineering and underwater exploration.
Jumping Robot Leaps To Record Heights
YouthDesignScienceTechnology...A team of researchers has managed to design a device capable of leaping over 30 metres into the air.
E80 through F80 selected.
Build A Simple Electric Motor
KidsScienceHow-toEngineeringHere is a fun way to create your own motor.
Building The Impossible Bridge
YouthHistoryTechnologyEngineering...Explore the construction of California’s Golden Gate Bridge, and dig into the engineering innovations that made the structure possible.
Japan's $100 Billion World's Fastest Train
YouthHistoryTechnologyTransportation...Japan’s world record breaking Maglev L0 passenger train has been under testing since it was unveiled to the press in November of 2012, achieving speeds of 374 miles per hour.
Robotic Fibers
YouthHistoryTechnologyEngineeringA new kind of fiber developed by researchers at MIT and in Sweden.
How Origami Is Inspiring New Kinds Of Emergnecy Shelters
YouthScienceEngineeringArt...Engineers have come up with a way of designing structures based on the ancient art of origami.
Building the impossible: Golden Gate Bridge - Alex Gendler
AdultsConstructionHistoryHuman...Explore the construction of California’s Golden Gate Bridge, and dig into the engineering innovations that made the structure possible.
Making A LEGO Car Cross Gaps
YouthHistoryTechnologyEngineering...Testing a Lego car against longer and longer gaps that it needs to drive over.
Paving machine
AdultsConstructionProductivityEngineering...Tiger-Stone is a Dutch made paving machine that uses gravity and an electric motor to print stone and brick roads. It's a six meter wide machine that is capable of laying 300 square meters of road a day.
How Does A Carburetor Work?
AdultsConstructionCreativityPhysics...Air flows into the top of the carburetor from the car's air intake, passing through a filter that cleans it of debris..
How one design flaw almost toppled a skyscraper - Alex Gendler
AdultsCitiesConstructionHistory...Dig into the unique engineering of New York City’s Citicorp Center tower, and the design flaw that threatened to topple it.
Building the world's largest (and most controversial) power plant - Alex Gendler
AdultsConstructionDesignIndustry...Explore the creation of China’s Three Gorges Dam, and find out how the hydroelectric plant generates its power.
How the world's longest underwater tunnel was built
AdultsConstructionCreativityScience...Discover how the English Channel Tunnel was built and the engineering challenges of building a 200 kilometer long tunnel underwater.