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Aviation History
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NASA Sci Files segment tracing the history of human flight.
And now, Aviation History.
00:00:00
Here's Dr. Textbook.
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Hello!
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Since the beginning of time, man has looked up at birds with awe and has wondered,
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why can't we fly?
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Mythology gives us the story of Icarus, who flew too close to the sun,
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melting his wings made of feathers and wax.
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In the 15th century, Leonardo da Vinci made over 150 drawings of his ideas for a flying
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machine, but it was George Cayley who noticed how a bird's wings kept them in the air.
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He made a number of various gliders, testing out different wing shapes and patterns.
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Wilbur and Orville Wright wrote letters to Octave Chenute, who was designing his own
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gliders, and he helped them to understand the forces of flight.
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After many trial runs with various gliders, the Wright brothers made the first successful
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control-powered flight with a pilot on board in 1903.
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So, as a note to all the people who made the first flight possible,
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I will fly across this sand dune in my wings!
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Not a very good idea.
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This has been Aviation History.
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- Valoración:
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- Idioma/s:
- Niveles educativos:
- ▼ Mostrar / ocultar niveles
- Nivel Intermedio
- Autor/es:
- Office of Education
- Subido por:
- EducaMadrid
- Licencia:
- Reconocimiento - No comercial - Sin obra derivada
- Visualizaciones:
- 531
- Fecha:
- 28 de mayo de 2007 - 15:32
- Visibilidad:
- Público
- Enlace Relacionado:
- NASAs center for distance learning
- Duración:
- 01′ 30″
- Relación de aspecto:
- 4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
- Resolución:
- 480x360 píxeles
- Tamaño:
- 9.14 MBytes
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Comportamiento Pin de Entrada y de Salida
Contenido educativo. subido por Francisco J. G. 10′ 34″ - hace 6 horas - Idioma:
- 3 visualizaciones