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How Traffic Works
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/traffic.htm
Traffic can cause us to spend up to two weeks in our car each year. Learn about traffic and find out which cities have the worst traffic in the world.
How Air Purifiers Work
home.howstuffworks.com/air-purifier.htm
Americans spend an estimated $250 million annually on air purifiers for their homes. Learn why people buy air purifiers and how they work.
Can we harvest the energy of lightning?
science.howstuffworks.com/environmental/energy/harvest-energy-lightning.htm
From corn to solar power, scientists have been searching every crevice of the Earth to find reliable sources of alternative energy. Could lightning be the answer?
10 Cheap Home Decorating Ideas
home.howstuffworks.com/home-decor/decorating-styles-techniques/10-cheap-home-decorating-ideas.htm
It's natural to feel the need to spruce up your home every once in a while. Check out these 10 cheap home decorating ideas to stay on budget.
How can we speed up plastic photodegradation?
science.howstuffworks.com/environmental/green-science/speed-up-plastic-photodegradation.htm
Sunlight can break plastic down but not very fast. Is there a way to speed up the process so that natural environments like this one aren't cluttered with plastic debris for centuries?
Fruitless Mulberry Tree
home.howstuffworks.com/fruitless-mulberry-tree.htm
An ideal plant for landscaping, fruitless mulberry tree is a unique fruit tree native to China. Learn more about how to grow and maintain fruitless mulberry tree.
Why Is the Ocean Different Colors in Different Places?
Ocean water is not actually blue, but appears in different shades for many reasons.
What is the emission certification standard?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/emission-certification-standard.htm
What is the emission certification standard? Find out what the emission certification standard is at HowStuffWorks.
How GMs Hy-wire Works
auto.howstuffworks.com/hy-wire.htm
What's a car without an engine? A GM Hy-wire. There's no combustion, no linkages, and it has driver controls that work like a video-game joystick. See what you could be driving in the future.
How Laser Communication Works
science.howstuffworks.com/laser-communication.htm
When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.