Word: carbons
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
...Aller '39, reported to the American Astronomical Society last week that star "shells" are made of the same elements as stars themselves. They found that the planetary nebulae, which are great clouds of gas surrounding the very hot O-type stars, are composed chiefly of hydrogen, helium, carbon nitrogen, and oxygen...
...Carbon dioxide is an innocuous gas; water charged with it squirts from soda-fountain nozzles to make the fizz in sodas...
Last week carbon dioxide, liquefied, solidified and then crushed, was used in Denver to propel bullets from guns...
Added advantages: no fouling (carbon dioxide evaporates completely), cool operation-the barrel, instead of heating up, sometimes gathers frost...
...able to manufacture jewels, urged them to have a try at it. For the Nazis had overrun Holland and France, bottled up Switzerland -the countries whence the U.S. formerly imported nearly all its synthetic jewels (as many as 100,000,000 a year). Only one company, Union Carbide & Carbon, volunteered to make synthetics. It alone produced the great volumes of hydrogen and oxygen which are essential in making them...