Word: atom
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
What do the people of that community have to fear from an atom bomb? They seem to have already destroyed themselves by their indifference...
Scientists have discovered a quantity of tritium, a radioactive variation of the hydrogen atom, on the capsule of Discoverer 17. Normally most tritium is lost in the atmosphere...
Located just north of the University Herbarium, the Cambridge Electron accelerator is a joint Harvard-M.I.T. project financed by the Atomic Energy commission. The $11.5 million "atom-smasher," now nearly five years in the asking, will completely dwarf present electron accelerators...
...that solid cancers have an abnormal appetite for the metabolite called uracil, the University of Wisconsin's Dr. Charles Heidelberger set about making a phony variant of uracil. With Dr. Robert Duschinsky of Hoffmann-La Roche, Inc., he quickly found a way to make one by substituting an atom of fluorine for one of hydrogen at the No. 5 position on the molecular ring-hence, 5-fluorouracil. Many of the cancer cells accept 5-fluorouracil in place of the real thing, and cannot multiply...
...electrons in an atom are already at the higher levels, incoming radiation of the proper frequency can "trigger" their fall, thus producing new radiation of the same frequency as the original signal and in effect amplifying...