How a Mechanical Watch Works

Mechanical watches have no battery, microchip, or circuitry. Watch parts are machined to near perfection at microscopic sizes and tolerances...

How Electric Cars Work

Most electric cars are Battery Electric Vehicles (BEVs), which are a subset of Electric Vehicles (EVs). BEVs use a battery-powered...

ISS: International Space Station

The International Space Station (ISS) is a space station in low Earth orbit with the purpose of being a laboratory,...

How Airbags Work

Airbags serve as a Supplemental Restraint System (SRS), which is secondary to the seatbelt system. When a crash happens, sensors...

Fire Engine

A fire engine (also referred to as a "pumper") transports crew, supplies, and firefighting capabilities to the scene of an...

Disc vs. Drum Brake

Disc and drum brakes offer different methods of stopping a vehicle. Disc Brake Brake fluid Rotor (disc) The rotor provides...

Traffic Collision Reconstruction

A traffic reconstruction specialist uses environmental and vehicle evidence to reconstruct a collision and help determine what may have happened....

Supercharger vs. Turbo

Forced induction The basic function of both superchargers and turbos is to deliver more air to an engine’s internal combustion...

Cadillac One (Presidential State Car)

The presidential state car is heavily armored to protect the President of the United States from potential threats during transportation....

Record Player

A record player platter spins a vinyl disc with sound waves etched into grooves. A precision arm with a needle...

Solar Cell & Module

Electrons inside of solar cells absorb energy from sunlight, travel along an external circuit where they expend excess energy to...

How speakers make sound

Speakers (also called loudspeakers) push and pull surrounding air molecules in waves that the human ear interprets as sound. You...

How a Mechanical Watch Works

Mechanical watches have no battery, microchip, or circuitry. Watch parts are machined to near perfection at microscopic sizes and tolerances...

Topics: Audio, Automotive, Aviation, Mechanical, Nature, Space, Technology