Word: factors
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Dates: during 1930-1939
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...Another factor affecting totality duration is that the shadow travels slowest at noon, fastest near the beginning and end of the eclipse day. Earth rotates eastward at about 1,040 m.p.h. at the Equator. The moon's eastward orbit carries the lunar shadow in the same direction at just about twice that speed, so that it rapidly overtakes the terrestrial rotation. At noon, when the shadow is perpendicular, the speed is 1,060 m.p.h.; earlier and later, when the cone of darkness impinges at an angle, it goes faster-depending on the acuteness of the angle...
...design is perceived at once as a contributing factor to the success of the painting. Even in so simple a subject as a head and shoulders it proves to be ingenuously built. The head is set on a broad base of white, in the neck-cloth, which narrows down, like the pedestal in a bust, and is framed by the strong orange of the coat...
...been pointed out before, in a University like Harvard, a balance between the art of teaching and that of research must be attained. At present the balance is all one-sided, and teaching ability must become the important factor in the future...
...Company in the decade of the twenties as an independent concern without financial backing from outside has set an enviable precedent for small and large businesses that might wish to emulate its course. Yet, every business manager is not a Ford, and therefore big banking seems as inevitable a factor in the industrial picture as it is part of the political picture...
There lay the real cause of the Hindenburg disaster, for Germany has no helium. It is a U. S. monopoly. The willingness of Presidents Hoover and Roosevelt to sell Germany enough helium to fly the Graf and the Hindenburg on peaceful missions was offset by the price factor (more than 30 times as expensive, for 20% less payload efficiency) and by covert political opposition. As Columnist Dorothy Thompson wrote: "The destruction of the Hindenburg was an act of sabotage. For the peaceful world today, the world that seeks to join hands in the perfection of greater technologies, that seeks mutual...