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Engineering · Engines & vehicles
Engine Room
Crank a cutaway four-stroke by hand, shift through the gears, crash-test a crumple zone and compare where the energy goes in a petrol car and an EV.
Engineering · Engines & vehicles
Engine Room
Crank a cutaway four-stroke by hand, shift through the gears, crash-test a crumple zone and compare where the energy goes in a petrol car and an EV.
The course
7 worlds · 24 lessons
World 1 · Four Strokes, One Bang
FREEHow a piston engine turns burning fuel into rotation
World 2 · Diesel, Rotary and Electric
PROThree different ways to turn energy into motion
World 3 · Gears: Torque vs Speed
PROWhy a car needs a gearbox, and what power really is
World 4 · Brakes and Regenerative Braking
PROHow far a car needs to stop, and where the energy goes
World 5 · Crumple Zones and Airbags
PROForce, time and the engineering of surviving a collision
World 6 · Cutting Through the Air
PROWhy speed costs so much energy