What Speakers That Cost $370,000 Sound Like | WIRED
Adults ConstructionWhat does it sound like when you listen to a speaker that’s roughly the price of the home you put it in?
Primitive Technology: Geopolymer Cement (Ash and Clay)
Adults ConstructionI have made wood ash cement before under the assumption that it was the calcium in the ash that gave it its cementitious properties...
How the Most Expensive Swords in the World Are Made
Adults ConstructionThis is a video about how Japanese samurai swords, aka katanas, are made – from the gathering of the iron sand, to the smelting of the steel, to the forging of the blade.
Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
Adults ConstructionI tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
Adults ConstructionI tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
Chandigarh a perfectly planned city?
Adults ConstructionExplore the construction of the futurist city Chandigarh, a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier.
Primitive Technology: Crab and Fish Trap
Adults ConstructionI made a fish trap from cane and tested it over the course of a year catching various aquatic animals.
Inside Japan’s Earthquake Simulator
Adults ConstructionThis is the world’s largest earthquake simulator, here’s how it works.
Primitive Technology: Volute Shaped Blower
Adults ConstructionI made a volute shaped blower where the housing for the fan is volute shaped, that is to say a widening spiral to test the effectiveness of a one way spinning impeller.
Primitive Technology: Brick and Charcoal Production
Adults ConstructionIn this video I use the thatched hut to fire bricks and make charcoal in for the first time.
Primitive Technology: Wood Ash Insulated Furnace
Adults ConstructionI made a furnace insulated with wood ash to smelt iron in. Furnace insulation stops heat being lost from the walls of a furnace and so increases the heat within the furnace.
The Figure 8 Knot Has Never Failed. Why?
Adults ConstructionModern roped rock climbing, one of the nerdiest sports, relies almost entirely on a single type of knot for safety: the figure eight knot.
Ancient Humans Made Millions Of These - We Don’t Know Why
Adults ConstructionThe Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
Explaining concrete while getting buried in it
Adults ConstructionConcrete = cement + sand + gravel. Cement is the most important man-made material on Earth.
Primitive Technology: Making Charcoal (3 Different Methods)
Adults ConstructionAbout This Video:
With more iron smelting experiments coming up, I demonstrate 3 different methods to make charcoal, ranked easiest to hardest.
How NASA Reinvented The Wheel
Adults ConstructionA huge thanks to everyone at NASA Glenn Research Center for having us at the SLOPE Lab, showing their work on this indestructible tire, and helping with the science and animation.
30 Days Building A Modern Underground Hut With A Grass Roof And A Swimming Pool
Adults ConstructionToday we show how to build an underground house with a pool and decorations, including an underground living room.