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Your search for "challenge" returned 4,097 results
Behind the X Prize
science.howstuffworks.com/x-prize.htm
We know who won - top-runner SpaceShipOne. We know what the team receives for that accomplishment: $10 million and an obscenely gigantic trophy. But what about the story behind the contest? Learn about the rules, restrictions, red tape, test crashes, successful launches and the technological innovations that may get you into sub-orbit sooner than you think.
How the Nest Learning Thermostat Works
home.howstuffworks.com/nest-learning-thermostat.htm
What if your thermostat could gather information about your climate and lifestyle, and then program itself to maximize your comfort and save energy? The Nest aims to do just that, but is it worth the cost?
10 Bizarre Moments in Presidential Elections
people.howstuffworks.com/10-bizarre-moments-presidential-elections.htm
Historically, presidential elections have been fraught with strange twists. Learn about 10 bizarre moments in presidential elections at HowStuffWorks.
What is a funicular railway?
science.howstuffworks.com/engineering/civil/question512.htm
In the news about the recent accident at a ski resort in Austria, the reporters called the cable car that carried the skiers up the mountain a "funicular railway." What is that and how does it work?
Classic Toys & Games
entertainment.howstuffworks.com/toy-pictures.htm
The toy picture gallery has photos of the most popular toys of all time. Check out the pictures of dolls, action figures, and building blocks.
How do astronauts eat in space?
science.howstuffworks.com/astronauts-eat-in-space.htm
Astronauts eat in space with the help of special contraptions and carefully packaged food. Learn more about how astronauts eat in space.
How to Design a His and Her Closet
home.howstuffworks.com/home-decor/bedroom/how-to-design-a-his-and-her-closet.htm
Come on, admit it. You've fought with your spouse over coveted closet space. It doesn't have to be that way, though. With the right design, you can even have leftover space. Learn more.
How to Volunteer Income Tax Assistance
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-income-tax-assistance.htm
Would you like to volunteer income tax assistance? Learn how to volunteer income tax assistance at HowStuffWorks.
Robot Pictures
science.howstuffworks.com/robot-pictures.htm
Robot pictures shows you some of the many different applications for robots. Check out this collection of robot pictures.
Turbo Vs Supercharger: Comparing Car Engine Boosters
auto.howstuffworks.com/question122.htm
Forced induction systems compress the air that flows into an engine, which creates more horsepower. Learn about the types of forced induction systems.