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How Gears Work
science.howstuffworks.com/transport/engines-equipment/gear.htm
If a device has a motor, engine or spring, it probably has gears! But what do gears do, exactly, and how do they do it?
How Solar Sails Work
science.howstuffworks.com/solar-sail.htm
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.
How VCRs Work
electronics.howstuffworks.com/vcr.htm
How can six hours of video fit on a $2 tape? The VCR may be yesterday's tech, but it's still a mechanical marvel. Take a look inside!
How Cable Television Works
electronics.howstuffworks.com/cable-tv.htm
Millions of people receive their television signal through a cable TV connection. Most of them don't actually know what "cable TV" is, what it does or how it got its name. Find out!
How Fair Trade Works
money.howstuffworks.com/fair-trade.htm
Fair trade promotes better wages and living conditions for local-level workers. Learn how consumers become essential parts of fair trade.
How Space Junk Works
science.howstuffworks.com/space-junk.htm
Space junk is the debris orbiting Earth, left behind by satellites and space shuttles. Find out how much space junk is up there and space junk dangers.
What are the world's rarest diseases?
health.howstuffworks.com/diseases-conditions/rare/rare-diseases.htm
The world's rarest diseases may affect few people or may exist solely in a lab. Learn about the world's rarest diseases and what makes a disease rare.
How Real Estate Investment Clubs Work
home.howstuffworks.com/real-estate/buying-home/real-estate-investment-clubs.htm
Real Estate Investment Clubs are great for learning about real estate from proven investors. Learn about real estate investment clubs.
Do wind turbines kill birds?
science.howstuffworks.com/environmental/green-science/wind-turbine-kill-birds.htm
While some wind turbines kill birds, newer models are being built to reduce bird mortality. Learn why some wind turbines kill birds.
What are the best video games that were never made?
electronics.howstuffworks.com/best-games-never-made.htm
The best video games never made is a debate because of the number of great ideas that routinely get canceled. Check out the best video games never made.