How Credit Scores Work

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

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 the Human Eye Works

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

How Wankel Rotary Engines Work

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

Inside the USS Zumwalt

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

How a Mechanical Watch Works

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

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...

ISS: International Space Station

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

How Airbags Work

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

Inside Cadillac One (Presidential State Car)

The presidential state car is heavily armored to protect the President of the United States...

Inside a Fire Engine

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

How a Slot Machine Works

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

Traffic Collision Reconstruction

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

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...

How speakers make sound

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

How Hard Disk Drives Work

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

Inside a Jet Engine

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

How a Car Engine Works

Did you know that your car will take in 20,000 cubic feet of air to...

Tarantula: Giant of the Spider World

Tarantulas can measure up to twelve inches across, with fangs up to one inch long.

How a Handgun Works: 1911 .45

The model 1911 handgun is named for the year it was formally adopted by the...

Roland TR-808 Rhythm Composer

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

Roland RE-201 Space Echo

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

Modular synthesizer

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

Flat Screen Displays

We spend an astounding amount of time looking at flat screen displays these days, from...

Cheetah: Nature’s Speed Machine

They’re lightning quick poachers – small aerodynamic head, long slender body, oversized respiratory system; lean,...

The Moonwalk

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

Skate Wheels Reference Guide

I designed this skate wheel guide because I went to buy a simple set of...