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How is GPS used in spaceflight?
science.howstuffworks.com/how-is-gps-used-in-spaceflight.htm
GPS is great, but it's kind of Earth-centric. If we have our hearts set on traveling to distant planets and faraway stars, then it's time to come up with a new navigation system. NASA, of course, has an idea.
The Coordinate Plane Comprises 2 Axes and 4 Quadrants
science.howstuffworks.com/math-concepts/coordinate-plane.htm
A coordinate plane is a mathematical, two-dimensional plane formed by two number lines. A horizontal number line and a vertical number line intersect to form two axes (plural for axis), and a grid system comprised of four quadrants.
How Missiles Work
science.howstuffworks.com/missile.htm
Missiles are widely-used in the military because they can reach targets from miles away. Learn about all types of missiles, including cruise missiles, stinger missiles, patriot missiles and even missile defense systems.
The Milky Way: Understanding Our Place in the Galaxy
science.howstuffworks.com/milky-way.htm
A look at the night sky at any time of year will reveal a faint band of light stretching across the sky -- our solar system's home, the Milky Way. How much do we really know about it?
Can I make my living in Second Life?
computer.howstuffworks.com/internet/social-networking/information/second-life-job.htm
What is revolutionary about Second Life is that it's not only legal to make real money from your characters virtual endeavors -- it's encouraged. The exchange of your accumulated virtual dollars into "real" dollars is built into the system.
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 does a magneto work?
science.howstuffworks.com/question375.htm
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?
Earth: A Primer on the Third Rock From the Sun
science.howstuffworks.com/earth.htm
Earth is an enormous and extremely complex planet. Learn about the inner workings of the planet Earth and find out what forces are constantly at work on Earth.
How to Organize Your Household Papers
Organizing your household papers, including what to put in a safe-deposit box, will bring order to your life. Learn how to organize household papers.
The Ultimate PlayStation History Quiz
play.howstuffworks.com/quiz/playstation-history-quiz
After more than two decades on the market, the PlayStation has captured the attention of multiple generations of gamers. Take our quiz to see how much your know about the history and development of this classic console system.