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Science | Engineering | Devices

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.

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I've heard of bank robbers being foiled by a "dye pack" put in their money stash. What is a "dye pack"?

I've heard of bank robbers being foiled by a "dye pack" put in their money stash. What is a "dye pack"?


How Wind Tunnels Work

 How Wind Tunnels Work

Wind tunnels are the unsung heroes of aerodynamics, leading to safer planes, cars and space vehicles. Learn how wind tunnels work. See more »

Science and Nature: Fractals

 Science and Nature: Fractals

Fractals produce fascinating and intricate designs. In fact, nature offers innumerable examples of fractal loveliness, and we’ve collected some of the coolest ones for your viewing pleasure. You’re welcome. See more »

How MRI Works

How MRI Works

An MRI scan is the best way to see inside the human body. See what happens during an MRI scan and learn about MRI images and MRI safety. See more »

10 Innovations Nominated for 2010 Edison Awards

 10 Innovations Nominated for 2010 Edison Awards

10 innovations nominated for the 2010 Edison Awards are explained in this article. Learn about the 10 innovations nominated for the 2010 Edison Awards. See more »

10 Inventions by Thomas Edison (That You've Never Heard Of)

 10 Inventions by Thomas Edison (That You've Never Heard Of)

10 inventions by Thomas Edison that you've never heard of are explained in this article. Learn about 10 inventions by Thomas Edison that you've never heard of. See more »

How the Edison Awards Work

 How the Edison Awards Work

The Edison Awards are explained in this article from HowStuffWorks. Learn about the Edison Awards. See more »

5 Amazing Innovations that Have Won Edison Awards

 5 Amazing Innovations that Have Won Edison Awards

5 amazing innovations that have won Edison awards are explained in this article. Learn about 5 amazing innovations that have won Edison awards. See more »

How LED Incapacitators Work

 How LED Incapacitators Work

LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators. See more »

What's a "thinking cap" -- and could it make me a genius?

 What's a "thinking cap" -- and could it make me a genius?

What's a "thinking cap" -- and could it make me a genius? It's doubtful, but this technology could help you. Learn more about the thinking cap here. See more »

How fMRI Works

 How fMRI Works

fMRI, or functional magnetic resonance imaging, looks at blood flow in the brain to detect areas of activity. Learn about fMRI and its invention. See more »