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Air New Zealand Limited
Learn how airplanes fly
Supermarine Spitfire F-86 turbojet flight simulator airship Searcher UAV unmanned aerial vehicle glider
For Students
airplane summary
Quizzes
NASA's Reduced Gravity Program provides the unique weightless or zero-G environment of space flight for testing and training of human and hardware reactions. NASA used the turbojet KC-135A to run these parabolic flights from 1963 to 2004.
Man-Made Birds in the Sky
Concorde. Front end of one of the 20 Concorde supersonic airplanes. A joint British French production they flew for 30 years (1973-2003).
Navigating the Sky
Hindenburg zeppelin crashing, 1937
Transportation and Technology Firsts Quiz
(Left) Ball of predictions with answers to questions based on the Magic 8 Ball; (right): Rubik's Cube. (toys)
The Dating Game: Which Came First?
Read Next
Still from the film Deliverance, 1919. The story of Helen Keller and Anne Sullivan. View shows Keller in the cockpit/front seat of an airplane.
How Did Helen Keller Fly a Plane?
Businessman using tablet phone on airplane
Why Do You Have to Turn Off Electronic Devices on an Airplane?
Airplane in the sky with a trace of steam contrail.
What Is Known (and Not Known) About Contrails
Discover
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Secret Service Agent Listens To Earpiece
Secret Service Code Names of 11 U.S. Presidents
Encyclopaedia Britannica First Edition: Volume 1, Plate XXXVIII, Figure 2, Ark, Ark of the Covenant, a small chest, coffer, contains Aaron's rod, manna pot, tables of covenant, Schechinah, Divine Presence, oracle, shittim-wood, acacia tree
Where Is the Ark of the Covenant?
William Shakespeare
The Death of Shakespeare
Statue of Liberty in front of the skyline of Manhattan, New York City, New York.
Who Was the Woman Behind the Statue of Liberty?
Obscure Freaky Smiling Psycho Man, phsychopath, sociopath, evil, mean
What’s the Difference Between a Psychopath and a Sociopath? And How Do Both Differ from Narcissists?

There are a number of ways to identify aircraft by type. The primary distinction is between those that are lighter than air and those that are heavier than air. Aircraft such as balloons, nonrigid airships (blimps), and dirigibles are designed to contain within their structure a sufficient volume that, when filled with a gas lighter than air (heated air, hydrogen, or helium), displaces the surrounding ambient air and floats, just as a cork does on the water. Balloons are not steerable and drift with the wind. Nonrigid airships, which have enjoyed a rebirth of use and interest, do not have ...(100 of 8335 words)

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