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How to Conserve Energy at Home

home.howstuffworks.com/green-living/how-to-conserve-energy-at-home.htm

What is "energy"? Where does it come from? How do we pay for it? Learn the answers to these questions, and find out how to live more efficiently in your home.

Hiroshima Shadows Preserve One of History's Darkest Moments

history.howstuffworks.com/world-war-ii/hiroshima-shadows.htm

One of the most haunting images of World War II is the "human shadow" etched into the stone steps of the City of Hiroshima branch of Sumitomo Bank.

How CAT Scans Work

science.howstuffworks.com/cat-scan.htm

CAT scans take X-ray imaging to a whole new level. Find out how a CAT scan machine uses "slices" to form a 3-D computer model of a patient's insides.

How the Aptera Hybrid Works

auto.howstuffworks.com/aptera-hybrid.htm

The Aptera Hybrid is a concept vehicle that aims to achieve 330 miles per gallon. Learn more about the amazing Aptera Hybrid concept vehicle.

How Long Will the US Oil Reserves Last?

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The United States has emergency crude oil stored in its Strategic Petroleum Reserve that can be tapped only under certain terms and usually only by the president. So how much is in the reserve and how long can it last?

What's the difference between backscatter machines and millimeter wave scanners?

science.howstuffworks.com/backscatter-machines-vs-millimeter-wave-scanners.htm

Nope, these advanced imaging technologies are not the same. So whether you're concerned about privacy, safety or time as you're shuffling through the airport security line, we can tell you how these two types of scanners stack up against each other.

How Millimeter Wave Scanners Work

science.howstuffworks.com/millimeter-wave-scanner.htm

If you've traveled recently, you probably raised your arms above your head and waited for a millimeter wave scanner to do its screening thing. During those 10 seconds or so, did you ever wonder exactly how the device produced your image?

How Motion-powered Electronics Work

science.howstuffworks.com/environmental/green-tech/sustainable/motion-powered-electronics.htm

Motion-powered electronics are discussed in this article from HowStuffWorks. Learn about motion-powered electronics.

Do HHO systems actually work?

auto.howstuffworks.com/hho-system.htm

Do HHO systems actually work? Read about HHO fuel systems and whether or not they're a legitimate alternative fuel or just science fiction.

Home Construction Pictures

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These home construction pictures show you the stages of building a house. See the process of building a house in these home construction pictures.

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