Ever wondered how that thing works? Explore the inner workings of many common devices and inventions, as well as those that aren't so common, such as compasses, gyroscopes and bug zappers.
The World's Most Awe-inspiring Glass Buildings
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10 Advancements in Environmental Engineering
Are food-based plastics a good idea?
Can a swimsuit make you swim faster?
10 Crazy Uses for Completely Frictionless Surfaces
Your Thoughts Could Activate a Tiny Robot Inside Your Own Brain
How Star Wars Works: Fan-built Droids
10 Futuristic Construction Technologies
Why are blueprints blue?
10 Women Who Broke New Ground in Engineering
An MRI scan is the best way to see inside the human body without cutting it open, but that may be little comfort to you when you're getting ready for the exam. Lying perfectly still on a tiny slab in a narrow hole, you might wonder what's happening to your body.
By Todd A. Gould, RT-(R)(MR)(ARRT) & Molly Edmonds
I am entering a chemistry contest at my high school. The goal is to build the battery that produces the most watts for one minute. Our battery can't be bigger then 1 foot in any direction and can't use strong acids. What are the best chemicals to use, and what's the best design?
The first CT scan let doctors see inside a woman's skull and confirm her cystic brain mass. That scanner? It was developed by an eccentric engineer who worked at the Beatles' record company.
A friend of mine showed me this card that the image changed depending on the angle that you view it at. How does that work?
Unlike a regular SCUBA regulator which creates bubbles when the person wearing the apparatus exhales, a rebreather produces no bubbles when someone exhales. What exactly is a rebreather and how does it work?
One of my co-workers has an interesting thermometer on his desk. It is a glass tube with different-colored floating things in it. What kind of thermometer is this, and how does it work?
See "Back to the Future 2"? Drool much over those hoverboards? Find out how these devices will work and see one that already does!
By Kevin Bonsor
Why does air cool down when pushed around by an electric fan? You would think that air molecules in motion would be creating friction, and therefore increasing the ambient temperature instead of decreasing it. So why do you feel cooler?
In a lot of movies you see windows that are 'bulletproof.' Does bulletproof glass really exist, and if so, how does it work?
I am curious about the ignition system in my lawn mower. I know that a spark plug creates a high-voltage spark, and I know in my car the electricity for the spark comes from the battery. My lawn mower doesn't have a battery, so where does the electricty come from?
The Rehabilitation Institute of Chicago introduced a new bionic arm that can be controlled by reading a person's thoughts. How does this technology work? Can you control a machine with thoughts? Learn about the bionic arm in this article.
By Julia Layton
Wind tunnels are the unsung heroes of aerodynamics. Thanks to these breezy devices, we have safer planes, cars and space vehicles.They even provide some extreme fun for the adrenaline junkies among us. What's the deal with wind tunnels? Find out in this article.
You've probably been asked to put on your thinking cap before, but have you ever wondered what it looked like or what it does? This thinking cap may not make you smarter, but it could help you tap into previously unexplored abilities.
By Josh Clark
Lobsters have one of the animal world's most unique vision systems. Researchers hope to apply that system to scanners that will make steel walls transparent.
By Julia Layton