Are Transformers Real?
Can a robot really fold up into a car? Find out how real-life folding robots work.
How Do Automatic Transmissions Work?
Using planetary gearsets and hydraulic fluid to shift gears without a clutch pedal.
How Do Car Engines Cool Down?
Circulating coolant through a radiator where the heat is dissipated by a fan.
How Do Elevators Not Fall?
The braking systems, counterweights, and safety mechanisms keeping elevators safe.
How Do Silencers Work on Guns?
Slowing down and cooling escaping gases to significantly reduce the loud report.
How Do Trains Switch Tracks?
Using movable rails called 'points' to guide the wheels onto a diverging path.
How Do Washing Machines Clean Clothes?
Using an agitator or impeller to mechanically scrub clothes while detergent breaks down oils.
What is a Pulley?
A simple machine that uses grooved wheels and ropes to change the direction and magnitude of force.
What is Friction?
The force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.