Word: linear
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Dates: during 1910-1919
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...German army, in its next effort towards the west, succeed in breaking the line south or southwest of Amiens, it will then be faced by a problem which its method of advance renders especially difficult. The Germans, since 1870, have consistently employed the methods of what are known as linear strategy; that is, each group of the army advances along its own line of communication, along closely delimited and parallel battle strips. This virtually compels the army to advance in a straight line. And, if a change of direction, as is indicated in the present case, be made...
...Mathematical Club. "Some Intimately Related Linear Problems," by Prof. R. G. D. Richardson, of Brown. Conant Common Room...
...Mathematical Club. "Some Intimately Related Linear Problems," by Professor R. G. D. Richardson, of Brown University. Conant Comm Room...
...simple linear quantitative relationship between the exact amount of radioactivity and the atomic weight was found. The ultra-violet spectrum of a typical specimen appeared to be exactly identical with that of ordinary lead. The necessary inference seems to be that lead from radioactive sources consists of a mixture of at least two substances, of which one is ordinary lead. The foreign substance must be very similar to ordinary lead and very difficult if not impossible to eliminate by chemical means; for many precautions were taken to purify the samples. This substance cannot be identified in the ultra-violet spectrum...