How a Sewing Machine Works A common sewing machine design uses a floating shuttle hook. The floating hook design allows...

How Crypto-currency Works Blocks of data are securely chained together through cryptography. Everyone on the network can verify...

How an Electric Guitar Works Electric guitars rely on the principles of electromagnetism to convert string vibration into electrical signal....

How speakers make sound Speakers (also called loudspeakers) push and pull surrounding air molecules in waves that the human...

Disc vs. Drum Brake Disc vs DrumBrakes Rotor (disc) The rotor provides a friction surface for the brake pads...

Supercharger vs. Turbo Supercharger vs Turbo The basic function of both superchargers and turbos is to deliver more...

How a Car Engine Works Did you know that your car will take in 20,000 cubic feet of air to...

How a Flat Screen Display works We spend an astounding amount of time looking at flat screen displays these days, from...

Inside a Jet Engine At takeoff, a jetliner engine can move 1.25 tons of air per second. That’s enough...

How the Human Eye Works The eye is a sensory organ that perceives light, transforms it into an electrical signal,...

How Hard Disk Drives Work Hard Disk Drives (HDDs) use spinning disks (platters) to magnetically store information. Actuator Connections Logic...

How Self Driving Cars Work Self-driving cars use various sensors and require powerful computing ability to achieve driver-less operation.

How a Mechanical Watch Works Mechanical watches have no battery, microchip, or circuitry. Watch parts are machined to near perfection...

The Moonwalk It’s never too late to learn a proper moonwalk! Most people do it exactly the...

How Wankel Rotary Engines Work The Wankel motor uses a circular combustion process, and has a high power-to-weight ratio with...

A visual guide to auto insurance A visual guide to auto insurance Even the most basic car insurance has complex details...

How Electric Cars Work Most electric cars are Battery Electric Vehicles (BEVs), which are a subset of Electric Vehicles...

Inside a Fire Engine A fire engine (also referred to as a “pumper”) transports crew, supplies, and firefighting capabilities...

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

Record Player A record player platter spins a vinyl disc with sound waves etched into grooves. A...

Solar Cell & Module Electrons inside of solar cells absorb energy from sunlight, travel along an external circuit where...

ISS: International Space Station The International Space Station (ISS) is a space station in low Earth orbit with the...

Skate Wheels Reference Guide I designed this skate wheel guide because I went to buy a simple set of...

How Airbags Work Airbags serve as a Supplemental Restraint System (SRS), which is secondary to the seatbelt system....

Tarantula: Giant of the Spider World Tarantulas can measure up to twelve inches across, with fangs up to one inch long.

How Credit Scores Work How credit scores work A credit score is calculated from details in a credit report,...

Roland RE-201 Space Echo The “Space Echo” is a portable sound processing device used to create echo and reverb...

Roland TR-808 Rhythm Composer The Roland TR-808 is an analog, programmable drum machine that was sold from 1980-1984. 1...

Traffic Collision Reconstruction A traffic reconstruction specialist uses environmental and vehicle evidence to reconstruct a collision and help...

Modular synthesizer Synthesizers modify sound waves and create unique sounds. Since modular synthesizers allow a user near...

How a Slot Machine Works Slots are electro-mechanical gambling machines that use randomized numbers and produce probable results. Payout table...

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