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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 Roller Coasters Work
science.howstuffworks.com/engineering/structural/roller-coaster.htm
They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.
How Hot Air Balloons Work
science.howstuffworks.com/transport/flight/modern/hot-air-balloon.htm
Hot air balloons are about as simple as flying can get - no engine, no moving parts really, and very little the pilot can do to control the vehicle. Find out what it's like to fly a hot air balloon!
How Green Pavement Works
science.howstuffworks.com/environmental/green-science/green-pavement.htm
Green pavement is porous, meaning that it permits water to seep through to the ground. Learn why green pavement is good for the environment.
10 Misconceptions About GMOs
science.howstuffworks.com/life/genetic/10-misconceptions-gmos.htm
Are genetically modified organisms (GMOs) really bad for the environment and your health or just victims of bad publicity? We'll look at the pros and cons of this controversial subject.
How The Nature Conservancy Works
science.howstuffworks.com/environmental/conservation/conservationists/nature-conservancy.htm
The Nature Conservancy is explained in this article. Learn about the Nature Conservancy.
How Ice Sculpting Works
science.howstuffworks.com/innovation/everyday-innovations/ice-sculpting.htm
Ice sculptures can range from small tabletop pieces to entire buildings. In this fundamentally temporary medium, art and engineering combine to form sparkling, breathtaking effects.
Famous Black Engineers Throughout History
science.howstuffworks.com/engineering/structural/famous-black-engineers.htm
These African American men and women were trailblazers, and in some cases, business leaders in the field of engineering.
How Icebergs Work
science.howstuffworks.com/environmental/earth/geophysics/iceberg.htm
Icebergs are a lot more than just giant chunks of floating ice. Learn about icebergs and find out how icebergs can affect the ocean around them.
How the MQ-9 Reaper Works
science.howstuffworks.com/reaper.htm
Early unmanned aerial vehicles (UAVs) primarily carried out reconnaissance missions in war zones, but the Reaper packs some serious heat. Is there anything more foreboding than a drone with a Hellfire missile?