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How the Green Berets Work
science.howstuffworks.com/green-beret.htm
John F. Kennedy called the green beret "a symbol of excellence, a badge of courage, a mark of distinction in the fight for freedom" -- a nod to the most formidable arm of the U.S. military. The Green Berets, or Special Forces, are America's first line of defense around the world.
How Stone Lithography Works
entertainment.howstuffworks.com/arts/artwork/stone-lithography.htm
Today, artists use stone lithography to produce fine art prints, but 150 years ago it was THE color-printing technology. It's an incredible art form. Take a photo-filled look at this fascinating process.
How Landmines Work
science.howstuffworks.com/landmine.htm
Landmines have killed or maimed over 1-million people since 1975. Find out how landmines work and what countries are doing to prevent landmine tragedies.
How Massage Chairs Work
electronics.howstuffworks.com/gadgets/home/massage-chair.htm
Massage chairs are expensive chairs that allow you to receive a mechanical or robotic massage. Learn how massage chairs work.
How a Brain-Computer Interface Works
computer.howstuffworks.com/brain-computer-interface.htm
Brain-computer interfaces allow you to manipulate computers and machinery with your thoughts. Learn more about brain-computer interface technology.
How to Make International Calls
electronics.howstuffworks.com/how-to-make-international-calls.htm
Making international calls can be confusing if you don't have the right information. Learn about making international calls at HowStuffWorks.
How Zero-gravity Flights Work
science.howstuffworks.com/zero-g.htm
Zero gravity flights are used to simulate a zero gravity environment for astronauts in training. Find out how zero gravity flights simulate weightlessness.
How Crop Circles Work
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/crop-circle.htm
Are crop circles the work of alien visitors? Are they a natural phenomenon? Are they elaborate hoaxes perpetrated by some very dedicated humans? Learn how researchers try to separate the supernatural from the scientific.
How Gliders Work
science.howstuffworks.com/transport/flight/modern/glider.htm
Flying in a glider is about as close as you can get to soaring like a bird. Amazingly, these graceful machines manage their maneuvers without an engine. Learn how gliders fly without power.
Top 5 Tips for Choosing a Spa Facial
health.howstuffworks.com/skin-care/beauty/skin-treatments/5-tips-for-choosing-a-spa-facial.htm
Choosing a spa facial carefully is important for getting the most out of your spa experience. Read tips for choosing a spa facial at HowStuffWorks.