Word: unknowns
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Dates: during 1960-1969
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...also has a sophomre named Herbert Doyle who is from Nova Scotia and is something of an unknown quantity. "I've heard of a very good runner around here who halls from somewhere up in the maritime area, and Doyle may be the one," McCurdy said...
Space beyond the belt has unknown perils too. Bright flares breaking out of the sun occasionally fill it with X rays, ultraviolet and erratically curving streams of high-energy particles. No one knows how to forecast these tempests in space, or how to keep them from killing unshielded spacemen. If manned lunar spacecraft must be protected by heavy shielding, the rockets that launch them will have to be made bigger, and this will cause change and long delay all down the line...
...Another unknown that worries many scientists is the lunar surface. No one knows what the moon is made of, and no one can be sure what its surface is like after a 4-billion-year bombardment by sunlight, X rays, solar particles, cosmic rays and meteorites. The moon may be dust or solid rock, or something in between, like popcorn. It may be smooth or jagged all over. It may be radioactive or covered with highly reactive chemicals. It may have properties that do not exist on earth and that earthlings cannot imagine. A two-man spacecraft to land...
...prizes at big international art shows are rightly suspect when given to some eye-catching novelty by a local unknown-and rightly coveted when given for work that has evolved over years of dedication. It was years of. dedication that last week marked the two top prizewinners among the painters at the Sao Paulo Bienal in Brazil...
What goes on behind the sad facades of the store-front churches of evangelical sects in the Negro ghettos of great cities in the eastern U.S. is almost unknown to literature for the simple reason that both priests and parishioners are not literary people; often, indeed, they are barely literate. James Baldwin was a notable exception. But William Goyen, a white, 42-year-old Texan who never tried to save anybody, gives a far more readable and enjoyable account of Negro evangelists than Baldwin...