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Engineering: Featured Facts
Drip, Drip Water Clocks
Engineering / Breakthroughs

Water clocks were among the earliest timekeepers that didn't depend on the observation of celestial bodies. One of the oldest was found in the tomb of the Egyptian pharaoh Amenhotep I, buried around 1 continue reading this fact

Bicycle Chain for Fleas
Engineering / Breakthroughs

Sandia silicon microchain Sandia National Laboratories has engineered the world’s smallest chain. The distance between chain link centers is only 50 microns. In comparison, the diameter of a human hair is approximately 70 micr continue reading this fact

Guide to Propulsion
Engineering / Flight

A jet engine creates thrust. What is propulsion? The word is derived from two Latin words: pro meaning before or forwards and pellere meaning to drive. Propulsion means to push forward or drive an object forward. A propulsion sys 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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