Primitive Technology: Purifying Clay By Sedimentation and Making Pots
Adults ConstructionNaturally occurring clay usually has impurities such as rocks and sand in it. There's a way to remove these by mixing the clay in suspension and draining that water off leaving the impurities behind....
Civilian Tries on NASA Spacesuit For the First Time
Adults ConstructionHow does WIRED's Brent Rose feel about being the first person outside of the space program to try on a pressurized space suit?
Primitive Technology: Making Iron From Creek Sand
Adults ConstructionI made iron from ordinary sand in the creek. Sand contains a minor proportion of iron in the form of magnetite (and some hematite), the rest of the sand being other non iron minerals such as silica.
Mineral Extraction: Crash Course Geography #44
Adults ConstructionToday we're going to take a look at mineral extraction -- or the removal of rocks and minerals from the Earths' crust -- and examine how this human activity impacts all aspects of Geography.
Empty Skyscraper In Times Square
Adults ConstructionWhy There’s An Empty Skyscraper In The Middle Of Times Square
How Could We Get To Mars In Only 28 Hours?
Adults ConstructionThere's a cheat code to getting to Mars. Can humans handle the harsh conditions that space will throw at them?
Why doesn’t the Leaning Tower of Pisa fall over?
Adults ConstructionDig 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 Construction4 years of primitive technology.
Engineering with Origami
Adults ConstructionOrigami is inspiring a plethora of new engineering designs.
World's Lightest Solid!
Adults ConstructionAerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission.
Why Are 96,000,000 Black Balls on This Reservoir?
Adults ConstructionI took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there.