Word: vaporous
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Dates: during 1940-1949
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...into the fog in their laboratory "cold chamber." Silver iodide did the trick magnificently, turning the fog to snow. Silver iodide crystals are hexagonal, as snow crystals are. Apparently snowflakes recognize the kinship and are fooled into hanging on. An infinitesimal whiff is enough. In the presence of iodine vapor a single electric spark will knock enough silver out of a dime to start a snow flurry. Burning a cotton string impregnated with silver iodide makes enough crystalline smoke to cause a sizable snowstorm...
From the cloud's upper surface great pustules of vapor arose. Out of its base poured streamers of snow. They evaporated before they could reach the ground, but Schaefer flew back to Schenectady in triumph. He had touched off the first man-made snowstorm...
...nova-like flare-up of the sun might happen tomorrow." If it did, the sunny side of the earth would be burned to a crisp in half an hour, the oceans would boil away in live steam. Within a few days the world would be vapor...
...their primary standard the wavelength of a narrow band of red light in the spectrum of cadmium. Theoretically, a band of green light in the mercury spectrum would be even better: 1) the mercury atom, heavier than cadmium, gives light with a more sharply defined wavelength; 2) mercury vapor glows at low temperatures, while cadmium must be heated very...
...canceled its contract, made Constellations available to airlines. Now Hughes and Frye will get the first twelve Constellations before the other lines get any. By the time Pan Am et al get theirs, TWA expects to have such a start that the postwar air race will be just a vapor trail...