9 résultats pour "snell"
- Snell, George Davis - Biologiste / Naturaliste.
- Snell Peter, né en 1938 à Opunake, athlète néo-zélandais.
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Men's Track and Field Individual: Olympic Gold Medalists.
1896 Thomas Burke United States 54.20 1900 Maxwell Long United States 49.40 1904 Harry Hillman United States 49.20 1906 Paul Pilgrim United States 53.20 1908 Wyndham Halswelle United Kingdom 50.00 1912 Charles Reidpath United States 48.20 1920 Bevil Rudd South Africa 49.60 1924 Eric Liddell United Kingdom 47.60 1928 Ray Barbuti United States 47.80 1932 William Carr United States 46.20 1936 Archie Williams United States 46.50 1948 Arthur Wint Jamaica 46.20 1952 V. George Rhoden Jamaica 45.90 1956...
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Men's Track and Field Individual: Olympic Gold Medalists.
1896 Thomas Burke United States 54.20 1900 Maxwell Long United States 49.40 1904 Harry Hillman United States 49.20 1906 Paul Pilgrim United States 53.20 1908 Wyndham Halswelle United Kingdom 50.00 1912 Charles Reidpath United States 48.20 1920 Bevil Rudd South Africa 49.60 1924 Eric Liddell United Kingdom 47.60 1928 Ray Barbuti United States 47.80 1932 William Carr United States 46.20 1936 Archie Williams United States 46.50 1948 Arthur Wint Jamaica 46.20 1952 V. George Rhoden Jamaica 45.90 1956...
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Optics
I
INTRODUCTION
Mirage
Mirages appear because differences in air temperature cause light rays from an object to take different paths to a viewer's
eye.
Refraction of Light by DiamondsThe brilliance of diamonds is due to their high refractive index, a measure of how strongly a transparent material bendslight rays. The skill of the gem-cutter lies in angling the facets of the stone so that each light ray entering it is reflectedmany times before it emerges again.Spencer Grant/Photo Researchers, Inc. The amount of light reflected depends on the ratio of the refractive indexes for the two media. The plane of incidence contains the incident ray and...
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Leichtathletik (Männer): Medaillengewinner der Olympischen Sommerspiele.
1896 Thomas Burke, USA 54,2 Herbert Jamison, USA 55,2 Charles Gmelin, GBR 55,6 1900 Maxwell 'Maxey' Long, USA 49,4 William Holland, USA 49,6 Ernst Schutz, DEN - 1904 Harry Hillman, USA 49,2 Frank Waller, USA 49,9 Herman Groman, USA 50,0 1906 Paul Pilgrim USA 53,2 Wyndham Halswelle,GBR 53,8 Nigel Barker, AUS 54,1 1908 Wyndham Halswelle, GBR 150,0 1912 Charles Reidpath, USA 48,2 Hanns Braun, GER 48,3 Edward Lindberg, USA 48,4 1920 Bevil Rudd, RSA 49,6 Guy Butler, GBR 49,9 Nils Engdahl, SWE 50,0 1...
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optique - physique.
Si la surface du second milieu est rugueuse, les perpendiculaires aux différents points de la surface ont des directions différentes, que l'on peut considérer aléatoires si lemilieu est suffisamment rugueux. Dans ce cas, les rayons émis d'un point source sont si dispersés qu'ils ne peuvent former une image. 3.1. 1 Loi de Snell-Descartes D'après cette loi importante, nommée en référence au mathématicien hollandais Willebrord Snell Van Royen, le produit de l'indice de réfraction par le sinus de l...
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Óptica - ciencia y tecnologia.
Reflexión en un espejo planoLos rayos de luz reflejados llegan al ojo como si procedieran directamente del objeto (en este caso, un balón) situado detrás delespejo. Éste es el motivo por el cual vemos la imagen en el espejo© Microsoft Corporation. Reservados todos los derechos. Las leyes de la reflexión afirman que el ángulo de incidencia es igual al ángulo de reflexión, y que el rayo incidente, el rayo reflejado y la normal en el punto de incidenciase encuentran en un mismo plano. Si la superfi...
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Jets Beat Colts.
Namath, who completed 17 of 28 passes for 206 yards, was named the game's most valuable player, for which he was awarded a Dodge Charger to go along with the$15,000 each of the Jets received for the victory. Snell rushed 30 times for 121 yards, and Sauer caught 8 passes for 133 yards. The Jets' victory was celebrated as amilestone in sports upsets. Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.