Word: caution
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Dates: during 1940-1949
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Bringing such "reactors" together is touchy business. The scientists work with infinite caution, watching instruments which measure the number of free neutrons within the experimental mass. Under some conditions, the chain reaction starts slowly. But sometimes it leaps into violence in a millionth of a second. There is no explosion, no vibration, no sound. No human sense can detect the outburst of deadly radiation. The only warning, which comes too late, is a faint bluish glow. Some experts think it is caused by ionization of the air; others believe it to be an optical illusion telegraphed to the brain...
...Caution. Once a messenger boy in Chicago's La Salle Street, Kirkeby now owns nine hotels worth $30,000,000. Last year they had a gross income of $20,000,000, a net after taxes of $1,500,000. He first got interested in hotels in 1934. His explanation: "I was dealing in Government bonds then and the going was getting very rough. But hotels-they were practically giving them away and I didn't see how they could go much lower...
...groups backing this particular convention, and the specific nature of the topics under investigation, clever management and adroit manipulation can all too easily capture the affair for one faction or another. It is in a hopeful if not glowing attitude that the College must accept the Conference. But caution, which is vital, need not develop into a spirit of cynicism and fear that would prevent acceptance of the proposal, for whatever the result, it is incumbent on Harvard students to be represented in the discussions...
Conclusion: if Learned had had thyroid cancer, the radioactive iodine (the thyroid gland shows an affinity for iodine) would have attacked the cancerous tissue. With the caution which characterizes all statements on cancer. Physicist Evans emphasized that radioactive iodine was effective only against cancer of the thyroid...
...G.I.s who plan to open a nice, greasy little filling station and live happily ever after, the Department of Commerce last week held up a fatherly finger of caution. The Department warned that almost two-thirds of the 242,000 stations n the U.S. before the war grossed less than $10,000 a year, made an average profit of only 6% on gross, including the owner's salary...