Word: quintillionth
(lookup in dictionary)
(lookup stats)
Dates: during 1950-1959
Sort By: most recent first
(reverse)
...tritium, a key ingredient of the hydrogen bomb. This seemingly startling discovery was announced last week by Drs. Willard F. Libby of the University of Chicago and A. V. Grosse of Temple University. But no one need swear off drinking water-at least for that reason. Only one quintillionth (1/1,000,000,000,000,000,000) of its hydrogen atoms are tritium. An explosion is not likely...
| 1 |