Gyroplane

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illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

Image of Antenna galaxy

The Fermi Paradox: Where Are All the Aliens?

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya

The Fastest Animals on Earth

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

The tomb of Saint Nicholas in the crypt of the Basilica di San Nicola, Bari, Apulia, Italy

Do the Relics of Saint Nicholas Really Emit a Holy Substance?

Gyroplane

aircraft

Learn about this topic in these articles:

history of aviation

In helicopter: History
…a short flight in their Gyroplane No. 1, powered by a 45-horsepower engine. The Gyroplane had a spiderweb-like frame and four sets of rotors. The piloted aircraft lifted from the ground to a height of about two feet, but it was tethered and not under any control. Breguet went on…
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