How Hard Disk Drives Work

Hard Disk Drives (HDDs) use spinning disks (platters) to magnetically store information …

How the Human Eye Works

The eye is a sensory organ that perceives light, transforms it into an electrical signal, and sends it to the...

How Wankel Rotary Engines Work

The Wankel motor uses a circular combustion process, and has a high power-to-weight ratio with few moving parts. Combustion cycle...

Inside the USS Zumwalt

The USS Zumwalt is a 600 foot, 16,000 ton stealth destroyer of the US Navy. It is the most technologically...

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...

Inside 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....

Inside a Fire Engine

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

How a Slot Machine Works

Slots are electro-mechanical gambling machines that use randomized numbers and produce probable results. Payout table The pay table shows the...

Disc vs. Drum Brake

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

Supercharger vs. Turbo

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

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