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How the Year 2000 Problem Worked

computer.howstuffworks.com/y2k.htm

Until recently, computer programmers used two-digit placeholders for the year portion of the date in their software. Guess what happened when we realized the system couldn't account for the first two numbers? Mass panic.

How Stirling Engines Work

auto.howstuffworks.com/stirling-engine.htm

The Stirling engine is a heat engine that is vastly different from the internal-combustion engine in your car. It has the potential to be more efficient than most types of engines, but it hasn't made it into mass production yet. Find out why.

Top 10 Myths About the Brain

science.howstuffworks.com/life/inside-the-mind/human-brain/10-brain-myths.htm

You only use 10 percent of that big, wrinkled mass of smarts -- unless you listen to Mozart. At least, that's what we've heard about the brain. But how many common brain beliefs are just plain wrong?

How Do Scientists Determine the Age of Dinosaur Bones?

science.howstuffworks.com/environmental/earth/geology/dinosaur-bone-age.htm

Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?

Is Light Matter and Does It Weigh Anything?

science.howstuffworks.com/light-weigh.htm

Seven ounces a ray! No, that's a lie. Measuring the weight of light is not as straightforward as that. So what's the more complicated explanation?

What the Stuff?!: 4 Discoveries Made by the Large Hadron Collider (So Far)

www.howstuffworks.com/videos/what-the-stuff/what-the-stuff-large-hadron-collider-discoveries-video.htm

Could the LHC really disprove the standard model of physics? What has it taught us about the Big Bang, quarks, and the multiverse theory?

How Force, Power, Torque and Energy Work

auto.howstuffworks.com/auto-parts/towing/towing-capacity/information/fpte.htm

You find references to force, power, torque and energy all over the HowStuffWorks site. Learn what these terms really mean and how they relate to one another.

Are We Entering the Sixth Major Extinction on Earth?

science.howstuffworks.com/life/evolution/sixth-major-extinction.htm

A new global report says 1 million species are at risk of extinction - the greatest number in human history.

10 Types of Stars Blazing and Collapsing in Our Universe

science.howstuffworks.com/types-of-stars.htm

When you look up at the night sky, you’re seeing just a small sample of the incredible variety of the types of stars in the universe. These cosmic powerhouses come in wildly different sizes, colors and life stages, each powered by nuclear fusion in its core.

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