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How Terraforming Mars Will Work
science.howstuffworks.com/terraforming.htm
The thought of terraforming Mars is one of those ideas so outrageous that it just might work! Learn how it will work!
Why Does the Moon Look So Much Bigger When It Is Near the Horizon?
science.howstuffworks.com/question491.htm
Why does the moon look so much bigger when it is near the horizon than when it is high up in the sky?
What makes you dizzy when you spin?
science.howstuffworks.com/science-vs-myth/question483.htm
Dizziness happens when the part of your body that detects motion sends the wrong signals to your brain. Find out what causes dizziness when you spin.
How Much Coal Is Required to Run a 100-watt Light Bulb 24 hours a Day for a Year?
science.howstuffworks.com/environmental/energy/question481.htm
Where electricity is produced from a coal fired power station, how much coal is required to run a 100-watt light bulb 24 hours a day for one year?
Why do newspapers turn yellow over time?
science.howstuffworks.com/question463.htm
Why do newspapers turn yellow over time?
How Fast Does a Bullet Travel?
science.howstuffworks.com/question456.htm
Reference frames can help explain how a bullet fired from a gun behaves on a moving train. Learn more about reference frames and Newton's first law.
Where does the color come from in purple cabbage?
science.howstuffworks.com/life/botany/question439.htm
Nature uses color in lots of different ways. Find out why some types of cabbage are purple and what this means.
Why does a mirror exchange left and right but not up and down?
science.howstuffworks.com/question415.htm
Imagine wearing a T-shirt with lettering on it while brushing your teeth. Why are the letters on the T-shirt reversed in the mirror, while your head appears right side up?
How Do Boats Float? A Look at How Boats Made of Steel Float
science.howstuffworks.com/science-vs-myth/everyday-myths/question254.htm
Displacement of water is what allows a boat to float on the water, but how does it work? Find out how displacement allows a steel boat to float in water.
How Long Do Helium Balloons Last?
science.howstuffworks.com/question10.htm
Scenario: A helium balloon is up against the ceiling one day, and the next day it's on the floor. Does the balloon fall because the helium leaks out, or because the helium molecules slow down due to decreased pressure?