Word: oxygenate
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...greatest obstacle for space travel ers to overcome is man himself. The human body is fitted to meet conditions on the surface of the earth, where the temperature varies only slightly and the pull of gravitation varies hardly at all. The atmosphere provides a steady supply of oxygen, while its cushioning bulk over head protects man's delicate hide from nearly all meteors and ultraviolet, X and cosmic rays. For man to leave this sheltered environment is as difficult as it was for his fishlike forerunners to slither up on to dry land...
...flights of mod erate speed and duration, refrigerating units like those used on present-day jet fighters may be enough to counteract such temperatures. For long, fast flights, something more elaborate is required. One proposal for rocket-driven craft is to use the intensely cold liquid oxygen fuel as a heat absorber...
...watermelon is white until air reaches it and oxidizes it to red, Mewhinney gravely answered: "On July 10, 1893, Dr. Ebenezer P. Humford, F.R.S., LL.D., F.L.S., Ph.D., succeeded in slicing a watermelon inside a glass-encased vacuum at Wallace-Huxley Technological Institute, Hyannis, Neb. Wholly untouched by oxygen, the melon was red." An impressed reporter asked how he could remember so many facts. Soberly, Mewhinney said: "I am blessed with total recall...
...chemical broth at the recovery rate of one unit to 1,000,000 units of broth. Says McKeen: "It was just about the amount of gold you find in sea water." Pfizer worked out a method to grow the penicillin all through the broth by shooting in oxygen, got such a big jump on the other companies that it was the biggest wartime producer. By war's end, all other drug companies had adopted the Pfizer method...
...breathing" of oygen) had raised their temperature at most 2.7° F. above the outside air. Then he put sick leaves, infected with virus or fungus diseases, in the chamber. In four hours they were running temperatures up to 6.3° F. Sick leaves, Dr. Yarwood believes, breathe more oxygen than healthy ones, and the added oxygen brings on the fever...