Who Invented the Helicopter

Who Invented the Helicopter

The history of manufacturing helicopter begins in the 15th century with a Leonardo da Vinci drawing. The drawing, named ornithopter flying machine, was done in 1488 but would never be built until it inspired modern helicopter designer, Igor Sikorsky, a Russian. Igor is undoubtedly the recognized father of modern helicopters. Leonardo da Vinci was fascinated…

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Clouds made

How do Clouds float?

Introduction An important part of Earth’s weather, clouds constantly appear high in the skies in an infinite variety of forms and shapes. To be better understood, they’ve been given names and classified under specific types based on how high or low they are formed in the sky and their general shape. Ranging from the mundane,…

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Polar bear cub

Polar Zone Definition

Introduction: The frigid zones of the world The Polar zones of Earth are the regions of Earth surrounding the Northern and the Southern Pole – the northern rests on the Arctic Ocean including Northern Canada, Alaska, Siberia, Greenland and the arctic ice caps in the north, whereas the southern is on the Antarctica continent. Climate…

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