Word: basically
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Dates: during 1950-1950
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...elements were indestructible; no atom of one could be transmuted into an atom of another. The scientists were confident that if they applied such well-known rules with greater & greater precision, they could eventually explain everything in the universe. Few of them suspected, and fewer dared suggest, that the basic rules might be wrong...
Leisure to Invest. Modern man's increased leisure, largely due to power-driven machines, is having an effect only a little less basic. For one thing, the average man now can let his children be educated; they are not needed immediately for productive work. More & more of their early years can be invested in education-which makes them more productive later on. In the 19th Century few children went beyond grammar school. Now some 40% of U.S. children go through high school, about 7% graduate from college. One important byproduct: more trained personnel for the research laboratories that...
...culture may develop further along these same lines. But some students of cultural growth believe that by 1940 it was close to its peak. The lack of new, basic inventions is one proof they offer. Power-driven production machines were still growing more productive, but at a slower rate. According to these theorists, the original impetus given to cultural development by fuel-burning engines was almost exhausted...
...present, man's basic knowledge about the physical universe is contained in two independent theories: 1) relativity, which deals with the gravitational fields produced by massive bodies; and 2) the quantum theory, which deals with electromagnetic effects. The two theories touch at many points, but there is no overall theory connecting them...
...Ridge, Tenn. The Germans tried rather feebly and failed. The Russians, so far as is known, did not try at all until after the war. To start their bomb project, they did not have to wait for spy-gathered information or for the famous Smyth Report. The basic "secrets" were already in their files...