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10 Wacky Forms of Alternative Energy
science.howstuffworks.com/environmental/green-science/five-forms-alternative-energy.htm
Wacky forms of alternative energy include using human energy as power and bugs that make fuel. Learn about the wacky forms of alternative energy.
How Knights Work
history.howstuffworks.com/historical-figures/knight.htm
Knights were medieval warriors that were highly trained from a young age. Learn about knights and the process of training to become a medieval knight.
10 Differences Between Macs and PCs
computer.howstuffworks.com/10-differences-between-macs-and-pcs.htm
Mac or PC? It's a question almost everybody has an opinion about. Or, are you wondering what the difference is? We've broken down these computers to reveal their strengths and weaknesses.
How Carbon Capture Works
science.howstuffworks.com/environmental/green-science/carbon-capture.htm
We know that humans are largely responsible for fueling global warming with our carbon emissions. So what if we could seize all that carbon and squirrel it away in a safe place? Well, we can. It's just hard and really expensive.
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 Artificial Sweeteners Work
science.howstuffworks.com/innovation/edible-innovations/artificial-sweetener.htm
Many dieters use artificial sweeteners as a way to cut sugar without eliminating all things sweet. But did you know that some artificial sweeteners have almost as many calories as sugar? Find out how artificial sweeteners work.
How Guide Dogs Work
animals.howstuffworks.com/animal-facts/guide-dog.htm
Guide dogs enable visually impaired people to navigate extremely complex environments. And these dogs are even smarter than you think. Find out what it takes to become a guide dog.
Top 10 Green Driving Tips
auto.howstuffworks.com/fuel-efficiency/fuel-economy/ten-green-driving-tips.htm
The top 10 green driving tips will help you save gas and money. Read about the top 10 green driving tips and help out the environment.
Russian Army Repels Hitler's Forces: August 1942-January 1943
history.howstuffworks.com/world-war-ii/russian-army-repels-hitlers-forces.htm
The Russian Army repelling Hitler's forces put an end to the bloodiest battle in history. Learn about it and other World War II events of this period.
How the U.S. Postal Service Works
people.howstuffworks.com/usps.htm
The U.S. Postal Service employs about 500,000 people and is responsible for the delivery of mail. Learn more about the United States Postal Service.