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Engineering: Featured Facts
For Want Of An O-Ring
Engineering / Materials

Challenger Space Shuttle Who can forget the Challenger disaster of 1986, the culprit, a failed O-ring. But what exactly is an O-ring and how did it cause the destruction of this space shuttle? When surfaces are flat, gaskets continue reading this fact

Does Anybody Really Know What Time It Is?
Engineering / Breakthroughs

The second, once defined as 1/86,400 of the average solar day, now is determined to be 9,192,631,770 cycles of radiation, the frequency it takes to convert a cesium atom from one low energy state to another. So, what, exactly, is the watch on your wrist, Big Ben in London, or the national atomic clock in Boulder, Colorado, actually measuring? The first definition of a second was 1/86,400 of the average so continue reading this fact

A Shear Mystery
Engineering / Fluids

Whipping cream will keep its shape unless disturbed. Everyone has had problems with a ketchup bottle at one time or another. After struggling and only getting a few drops, a flood suddenly gushes out and buries your food. With perfect timing, the ketchu continue reading this fact

All Facts
  1. Man Versus Machine
  1. X-Ray Astronomy vs. Medical X-Rays
  2. A New Twist on Fiber Optics
  3. Bicycle Chain for Fleas
  4. Cool Fuel Cells
  5. Does Anybody Really Know What Time It Is?
  6. Drip, Drip Water Clocks
  7. Fiber Optics
  8. GPS (Global Positioning System)
  9. Hollywood To The Rescue
  10. How Can A Bullet-proof Vest Stop A Bullet?
  11. How We Use Crystals To Tell Time
  12. Hybrid Cars: The Magic Braking
  13. Infrared Headphones
  14. Liquid Crystal Communication
  15. NASA Hits a Hole-In-One
  16. New York to London in Less Than Two Hours
  17. Non-Flammable Fuel?
  18. Pass the Basalt
  19. Red Dot Replacing Cross Hairs
  20. Searing Heat, Little Package
  21. Seeing In The Dark
  22. Smoke Detectors
  23. Space Lasers Keep Earth's Air Clean
Computer Technology:
  1. Moore's Law
  1. A Quick Guide To Gliders
  2. Barn Yard Aeronauts
  3. Big Boom
  4. Guide to Propulsion
  5. High Altitude
  6. Nothing Backwards About It
  7. Taming Twin Tornadoes
  8. The Motion of An Aircraft
  9. The Night Orville Wright Had Too Many Cups Of Coffee
  1. A Shear Mystery
  1. Airbags
  2. Inkjet Printers
  3. The Truth About Atomic And Hydrogen Bombs
  1. A Man-made 'Take' on Nature's Style
  2. Alloys
  3. Don't Blow A Gasket!
  4. For Want Of An O-Ring
  5. How Many Cows Does It Take To String A Tennis Racquet?
  6. Making Cars Out of Soup
  7. Solid Smoke
  8. The Right Stuff for Super Spaceships
  9. What Are Composite Materials?
  1. Bioinformatics
  2. Dress Sizes The Scientific Way
  3. It's A Bird, It's A Plane -- No, It's A Clam!
  4. X-Ray Images & False Color
  1. Snakebots Coming Your Way
  2. Teeny Tiny Technology
Simple Machines:
  1. Ants Are Wimpy
  2. Sundials, Ancient Clocks
  1. Hydropower Basics
  2. Leaning Wonder of Engineering

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