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How Credit Cards Work
money.howstuffworks.com/personal-finance/debt-management/credit-card.htm
Credit cards have an interesting history. Learn how a credit card works, from the numbering system to how you can get rid of that high interest balance.
How to Start a Weight-Loss Program
health.howstuffworks.com/wellness/diet-fitness/weight-loss/how-to-start-a-weight-loss-program.htm
How you start a weight-loss program can be an enormous factor in whether or not you ultimately succeed. Learn how to get started the right way.
How Satellites Work
science.howstuffworks.com/satellite.htm
Thousands of satellites fly overhead every day, helping us with things like weather forecasts, scientific research, communications, TV broadcasts (and maybe some surreptitious spying). How much do you know about these eyes in the sky?
How to Treat Common Cat Diseases
animals.howstuffworks.com/pets/how-to-treat-common-cat-diseases.htm
Cats are susceptible to some diseases that don't often affect humans. Learn about common cat diseases.
How Red-light Cameras Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/red-light-camera.htm
The light turns red. You're alone at the intersection. There's not another car in sight. Do you run it? Read this before you answer.
How X-rays Work
science.howstuffworks.com/x-ray.htm
X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal, thanks to some very cool scientific principles at work. Find out how X-ray machines see straight to your bones.
How Pickpockets Work
money.howstuffworks.com/pickpocket.htm
Pickpockets have been around about as long as currency. Learn about pickpocketing, common pickpocket techniques and how to protect against pickpockets.
How Camera Flashes Work
electronics.howstuffworks.com/camera-flash.htm
A camera flash seems like a pretty basic device, but there's actually some interesting circuitry at work. Find out how a flash charges up and see exactly what happens the instant it goes off.
How Gear Ratios Work
science.howstuffworks.com/transport/engines-equipment/gear-ratio.htm
You see gears in just about anything that has spinning parts - car engines, transmissions, electric toothbrushes... Learn what these gears are doing and get to the bottom of the "gear ratio" concept!
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.