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How Apache Helicopters Work
science.howstuffworks.com/apache-helicopter.htm
Apache helicopters are designed to survive heavy attack and inflict massive damage. Learn about the flight, weapons and armor systems of Apache helicopters.
How Muscles Work
health.howstuffworks.com/human-body/systems/musculoskeletal/muscle.htm
Muscles are your body's engine, and you couldn't do anything without them. Learn about skeletal muscle, smooth muscle, and cardiac muscle and how muscle contraction works.
How Eco-terrorism Works
science.howstuffworks.com/environmental/green-science/eco-terror.htm
Eco-terrorism attacks people or things that threaten the environment or the wildlife it supports. Learn how eco-terrorism works and who's behind it.
How Lawn Tillers Work
home.howstuffworks.com/lawn-garden/professional-landscaping/lawn-tiller.htm
Lawn tillers are used to till the soil, which is the first thing you'll need to do before you plant a garden or lawn. Learn more about lawn tillers.
How Stained Glass Works
entertainment.howstuffworks.com/arts/artwork/stained-glass.htm
Stained glass is an ancient art form dating back to the Egyptians. Learn how stained glass came about, how it's made and what it's used for.
How Daylighting Devices Work
home.howstuffworks.com/home-improvement/construction/green/daylighting-device.htm
Daylighting devices are flexible inventions that can channel sunlight to use instead of electric lighting. Learn more about daylighting devices.
How CO2 Scrubbing Works
science.howstuffworks.com/environmental/green-science/co2-scrubbing.htm
CO2 scrubbing is one potential solution to reducing our emissions of carbon dioxide. Learn about CO2 scrubbing and find out what the most common processes are.
How Stackable Cars Will Work
auto.howstuffworks.com/under-the-hood/trends-innovations/stackable-car.htm
Stackable cars could mimic the design of stacked shopping carts. Learn how stackable cars compact themselves and how the vehicles actually function.
Aspirin 101
health.howstuffworks.com/medicine/medication/aspirin.htm
Aspirin and its relatives are used to relieve all kinds of ailments. Learn about the history and chemistry of aspirin, how aspirin works against pain and aspirin side effects.
How Political Primaries Work
people.howstuffworks.com/primary.htm
Political primaries are meant to transfer the power of who would run for president from the elite to the voters. Learn about primaries at HowStuffWorks.