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How Pepper Spray Works
home.howstuffworks.com/home-improvement/household-safety/pepper-spray.htm
Pepper spray is a common law enforcement and self-defense tool. Check out this article and learn all about how pepper spray works.
How Light Emitting Diodes (LEDs) Work
electronics.howstuffworks.com/led.htm
Light emitting diodes form numbers on digital clocks, send data from remote controls and illuminate watches - the simple genius of the design makes it infinitely applicable. And now, LEDs are affordable.
How Ivy League Admissions Work
money.howstuffworks.com/personal-finance/college-planning/admissions/ivy-league-admissions.htm
Ivy League school admissions are explained in this article from HowStuffWorks. Learn about Ivy League school admissions.
How Career Change Programs Work
money.howstuffworks.com/second-career-ideas/career-change-programs.htm
Career change programs can help you make a smooth transition into a job you love. Learn how career change programs work at HowStuffWorks.
How Ambulances Work
health.howstuffworks.com/medicine/ambulances.htm
How are ambulances dispatched and why do they cost so much? HowStuffWorks takes a close look at the world of ambulances.
Which Planets Are Considered 'Earth-like' and Why?
science.howstuffworks.com/other-earth.htm
Exoplanets are planets that orbit stars other than our sun. Read about exoplanets and find out how scientists are searching for exoplanets with life.
How the CIA Works
people.howstuffworks.com/cia.htm
Despite plenty of Hollywood films about the CIA and its spies, many people still don't know what the agency actually does. Take a look at the history of the CIA.
How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
How NASCAR Engines Work
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/nascar-engines.htm
NASCAR may be the most popular stock car racing circuit around, but very few know how NASCAR engines work. Learn how NASCAR engines work here.
How the California Air Resources Board (CARB) Works
auto.howstuffworks.com/fuel-efficiency/fuel-economy/carb.htm
The California Air Resources Board regulates air quality in the state of California. Find out more about the California Air Resources Board in this article.