Mon Prof Augmenté
Technology: Age 12
13 illustrated Technology lessons for Age 12.
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Four families of materials Every object is made from a material chosen for its properties, such as hardness, weight or resistance to wate… -
Why arches are strong An arch takes a heavy load and pushes it sideways along its curve to the ground at its ends. A flat board has … -
Interactive How a Pin-Tumbler Lock Opens A pin-tumbler lock holds small pins inside a metal body. Only a key with the right cut heights lifts every pin… -
Slate, cloth and heat A billiard table has smooth cloth over heavy slate slabs. A small heater under the slate keeps dampness away a… -
Test Track Check A newly assembled car is driven on a wet test track. Workers watch and use instruments to check that the brake… -
Water and Steam Make Electricity Flowing water or steam pushes turbine blades around. The spinning shaft turns a generator, which produces elec… -
Hidden Lenses in Everyday Things Tiny cameras and lenses can be built into objects people use every day, such as watches, ties and binoculars. … -
From Muddy Water to Tap Water from a river or lake passes through a row of tanks. Each stage removes something different until the wat… -
Inside a wind turbine The wind pushes the blades and turns a shaft inside the machine housing. A generator changes that spinning int… -
Websites inside a data centre Websites are not stored on your own device. They live on powerful computers called servers, kept inside large … -
Spacewalk Repair Astronauts sometimes go outside a spacecraft to replace or fix equipment that cannot be handled from inside. T… -
Airliner Take-Apart Yard A retired passenger jet stands on concrete while workers remove its engines, instruments, and landing gear. Th… -
Bicycle Parts That Turn the Wheel When you push down on the pedal, the crank turns the big toothed ring at the front. The chain carries that tur…