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Meteors burn up when they hit the Earth's atmosphere. Why doesn't the space shuttle?
science.howstuffworks.com/question308.htm
In science, we are learning about the atmosphere. It protects us from meteors because it burns them up. So, why doesn't the space shuttle burn up?
How do they get the balls in ball bearings so perfectly round and smooth?
science.howstuffworks.com/transport/engines-equipment/question513.htm
Ball bearings can be found in a wide variety of machines and gadgets. If you take a look at one of them you may notice how perfectly smooth they feel and appear. How do they get like that? Find out how ball bearings are created in this article.
Everyday Science: Gear Quiz
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Whether you know it or not, you probably use gears several times each day. Gears are used in a wide variety of mechanical devices including wrist watches, bathroom scales, washing machines and, of course, automobiles.
What's the energy efficiency ratio for hydrogen fuel cells?
What's the energy efficiency ratio for hydrogen fuel cells? Keep reading to learn about the energy efficiency ratio for hydrogen fuel cells.
Is what's in my belly button really lint?
health.howstuffworks.com/human-body/parts/is-whats-in-my-belly-button-lint.htm
Scientists have taken on the job of evaluating the debris found in the human belly button. Learn more about belly button lint at HowStuffWorks.
Can you blow up a car by shooting the gas tank?
Can you blow up a car by shooting the gas tank? Find out if a stray bullet to the fuel tank will explode your vehicle at HowStuffWorks.
Do You See Yourself as Others See You?
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We each have a mental picture of ourselves, and that picture almost never reflects reality. How well does that picture reflect others' mental pictures of you?
The Glass Armonica: A Harmonious Invention by Benjamin Franklin
science.howstuffworks.com/innovation/inventions/glass-armonica.htm
Learn about the Glass Armonica, a unique musical instrument invented by Benjamin Franklin. The glass armonica produces beautiful, haunting sounds by rubbing wet fingers on tuned glass bowls.
Sagittarius Compatibility Guide: Find Your Perfect Zodiac Match
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/sagittarius-compatibility.htm
Uncover which signs ignite their adventurous spirit and which ones extinguish their flame. Are you destined for love or a dramatic clash? Dive into the cosmic secrets of Sagittarius compatibility now.
How Vacuum Cleaners Work
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Vacuum cleaners have cleaned our homes for over a century. See a vacuum cleaner from the inside out and read expert reviews about vacuum cleaners.