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Did cars ever have external combustion engines?
auto.howstuffworks.com/did-cars-ever-have-external-combustion-engines.htm
Did cars ever have external combustion engines? Find out if external combustion engines have ever being used to power automobiles at HowStuffWorks.
How does aging work?
health.howstuffworks.com/wellness/aging/aging-process/question755.htm
How does aging work? Take look at some of the common internal and external signs of aging and ways to reduce the aging of the skin at HowStuffWorks.
How Does Noise Cancelling Work
electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headset.htm
Noise-canceling headsets help drown out external noise so you can hear your calls clearly. Learn about the technology behind noise-canceling headsets.
8 Ways Laughter Can Help You Naturally Improve Your Health and Lose Weight
health.howstuffworks.com/wellness/diet-fitness/weight-loss/laughter-natural-weight-loss.htm
Laughter isn't just an external expression of hilarity, it's actually a green exercise that can help you to burn calories, improve your immune system, and induce a stress-relieved state.
Can You Identify These Parts on the Outside of a Car?
play.howstuffworks.com/quiz/can-you-identify-these-parts-the-a-car
Now we all know a car has many internal parts, but can you identify the parts that appear on the outside of a vehicle?
Why is the back of a refrigerator painted black?
home.howstuffworks.com/question32.htm
Why is the back of a refrigerator painted black? It has nothing to do with visual preference. Find out why the back of your fridge might be black.
How to Back Up a Hard Drive
electronics.howstuffworks.com/how-to-tech/how-to-back-up-hard-drive.htm
If you back up your hard drive, you can save yourself headaches in the future if you should lose your files. Learn how to back up your hard drive.
The Celtic Cross Spread: Your Path to Insightful Tarot Interpretations
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/celtic-cross-spread.htm
What does the Celtic Cross Spread reveal about your future? Dive into the art of tarot reading and learn how to harness the power of this insightful spread.
Forensics Quiz
play.howstuffworks.com/quiz/forensics-quiz
Sure, you may watch a lot of TV crime dramas, but that doesn't mean you're ready to put on the gloves and perform an autopsy yourself. Take Dr. G's quiz to see how much you know about forensics.
How Stirling Engines Work
auto.howstuffworks.com/stirling-engine.htm
The Stirling engine is a heat engine that is vastly different from the internal-combustion engine in your car. It has the potential to be more efficient than most types of engines, but it hasn't made it into mass production yet. Find out why.