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What's the Difference Between Global Warming and Climate Change?
Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.
What's a uranium centrifuge?
science.howstuffworks.com/uranium-centrifuge.htm
Iran has announced its activation of a second set of uranium centrifuges. These machines are at the core of the uranium-enrichment process. Find out where the centrifuge fits into the equation.
What Is a Brushless Motor?
electronics.howstuffworks.com/brushless-motor.htm
Discover the differences between the "normal" electric motor and a brushless electric motor that make brushless electric motors more efficient.
What's the Difference Between Sherbet and Sorbet?
recipes.howstuffworks.com/food-facts/sherbet-vs-sorbet.htm
Sorbet and sherbet contain the same ingredients, but sherbet contains additional ingredients as well. Learn more about sorbet and sherbet here.
What if I pumped pure oxygen into my car engine instead of using the air in the atmosphere?
auto.howstuffworks.com/oxygen-engine.htm
Pure oxygen in an engine would produce a dramatic increase in horsepower. Learn about pumping pure oxygen in an engine.
Notre Dame Cathedral: What It Took to Build Her
history.howstuffworks.com/european-history/notre-dame-cathedral.htm
Notre Dame Cathedral has burned. HowStuffWorks looks at how she was built.
What Are Those Microchips That People Put in Their Dogs?
animals.howstuffworks.com/pets/dog-microchip.htm
A microchip is no bigger than a grain of rice, and veterinarians can implant the chips into all kinds of pets. Learn how pet microchipping works.
What Is Ectoplasm?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/ectoplasm.htm
Obviously, if we had more evidence of the existence of ghosts, we wouldn't all spend so much time debating the matter. Believers in the supernatural, however, are convinced a substance called "ectoplasm" proves ghosts are real -- but are they right?
What's the Best-selling Beer in the World? Not Budweiser
recipes.howstuffworks.com/best-selling-beer-in-the-world.htm
When it comes to the best-selling beer in the world, most people think of Budweiser, Heineken, or maybe Corona.
What are the odds there is life in outer space?
science.howstuffworks.com/space/aliens-ufos/extraterrestrial-life-odds.htm
Are we alone? Jodie Foster's character in "Contact" didn't think so, and neither do the scientists who've been listening for an extraterrestrial message for decades.