The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 10
... atoms . The word survived but the idea was lost for centuries . During the Middle Ages men sought in vain for some way to transmute the baser metals into gold . The atomic theory was revived by Boyle ( 1661 ) in his Skeptical Chymist ...
... atoms . The word survived but the idea was lost for centuries . During the Middle Ages men sought in vain for some way to transmute the baser metals into gold . The atomic theory was revived by Boyle ( 1661 ) in his Skeptical Chymist ...
الصفحة 11
... atom , after an average duration of two thousand years , regardless of ex- ternal conditions , with the release of tremendous energy . If the ninety - two elements are arranged in tabular form based on atomic weights , we have what is ...
... atom , after an average duration of two thousand years , regardless of ex- ternal conditions , with the release of tremendous energy . If the ninety - two elements are arranged in tabular form based on atomic weights , we have what is ...
الصفحة 12
... Atoms may share electrons with one another , each being capa- ble , apparently , of counting them in its own structure , just as two houses may have the same party wall . In the diamond , each atom is surrounded by four other carbon atoms ...
... Atoms may share electrons with one another , each being capa- ble , apparently , of counting them in its own structure , just as two houses may have the same party wall . In the diamond , each atom is surrounded by four other carbon atoms ...
الصفحة 13
... atom of helium . Moreover , Rutherford has been able to bombard electrically the nitrogen atom and secure the atoms of hydrogen . According to press reports early in 1926 , scientists at Amsterdam by exposing lead to intense heat in ...
... atom of helium . Moreover , Rutherford has been able to bombard electrically the nitrogen atom and secure the atoms of hydrogen . According to press reports early in 1926 , scientists at Amsterdam by exposing lead to intense heat in ...
الصفحة 14
... atoms the density of the diamond would be doubled , for each hole is just large enough to take one more carbon atom , and there are as many holes as atoms . " 8 Furthermore , it is believed that the electrons are in con- stant ...
... atoms the density of the diamond would be doubled , for each hole is just large enough to take one more carbon atom , and there are as many holes as atoms . " 8 Furthermore , it is believed that the electrons are in con- stant ...
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acres Africa America appears areas Asia atoms average bacteria believe birds body carbon carbon dioxide cause cent century cephalic index changes characters chromosomes civilization climate color common copper crops cultivated culture danger Darwin death rate destroy disease domestic early earth eggs environment Europe European evidence fact feeble-minded females fish forms germ cells given heredity human Ibid important increase Indians individual inheritance insane insects iron killed known land later light living male man's marriage metals miles natural selection nature Negro neolithic organisms ovum oxygen Pará rubber tree parasites physical population possible pounds present problems produced R. S. LULL race seeds seems social South South America species square mile supply T. H. MORGAN temperature things thousand tion to-day trees tropics types United wild woman women