ScienceJohn Michels (Journalist) 1936 |
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Page 332
... light , the color changes rapidly to yellow and then very slowly to colorless . If the bleached yellow solution is placed in the dark at 25 ° C. and examined an hour later , it is found to be distinctly pinkish again , and this color ...
... light , the color changes rapidly to yellow and then very slowly to colorless . If the bleached yellow solution is placed in the dark at 25 ° C. and examined an hour later , it is found to be distinctly pinkish again , and this color ...
Page 489
... light . Much more selective filters will be necessary to localize the area chiefly responsible for the production of sun - red . Further work on this subject is in progress . It is not possible to state as yet just what wave- length of ...
... light . Much more selective filters will be necessary to localize the area chiefly responsible for the production of sun - red . Further work on this subject is in progress . It is not possible to state as yet just what wave- length of ...
Page
... light obtained by splitting up the white light of an electric arc . Seedlings exposed to blue light showed the expected reaction of bending toward the light . But they also showed an un- expected reaction : they also bent toward each ...
... light obtained by splitting up the white light of an electric arc . Seedlings exposed to blue light showed the expected reaction of bending toward the light . But they also showed an un- expected reaction : they also bent toward each ...
Contents
VOL | 1 |
Academy of Science Nebraska 20 North Carolina | 20 |
Activity Measurement K M WILBUR 274 | 35 |
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Academy of Sciences acid activity Advancement of Science Agriculture American animals annual aphids appointed ascorbic acid Association awarded bacteriology biological Botanical Bureau California cells cent chem chemical chemist chemistry Chicago City College committee Cornell University Council culture director discussion disease Division effect eggs electrical engineering fessor field film Forest genes geology Grand Central Terminal Harvard Harvard University held horticulture human ical industrial insects Institute interest investigations Jour laboratory lecture living material mathematics Medal Medicine meeting ment method Museum National nature observed organic papers physics physiology plants present president problems professor protein recent RECENT DEATHS reported Rochester Rockefeller Foundation SCIENCE FRIDAY scientific scientists secretary Section selenium session Sigma Xi Smithsonian Institution Building Society soil solution species specimens Survey temperature Theobald Smith tion tissue tumors United University versity vitamin Washington William York York City