Word: coppers
(lookup in dictionary)
(lookup stats)
Dates: during 1950-1959
Sort By: most recent first
(reverse)
...life. In forests where 50 years ago there were no roads because the wheel was unknown, no schools because there was no alphabet, no peace because there was neither the will nor the means to enforce it, the sons of slaves dig for the raw material (copper, uranium, vanadium) of the Atomic...
South America's situation in much like that of the Far East: a combustible combination of nationalism and communism. Added to this is the fact that more than one half of South Americans are on a starvation diet. They have little love for the absentee owners of in or copper mines. And while the Rockefeller Foundation project of supplying aid to under-developed areas has done some good, compared to Point Four it is not even skimpily satisfactory...
...Barlow, wartime head of the R.A.F.'s radio research station at Farnborough, is now considered Britain's leading authority on microwaves. He has found that waves 8.6 mm. long (40,000 megacycles) can be forced to travel long distances, with very little loss, through the kind of copper pipe that plumbers...
...Barlow believes that plain copper pipe can replace multiwire telephone cables as well as coaxial television cables (copper tubes with insulated copper cores). It is much cheaper than either of them. Chief remaining obstacle is the high cost of the magnetron tubes that must be used in its repeater stations, but he thinks their price can be cut down by large-scale manufacture...
...British Electricity Authority and the Post Office (which runs Britain's telephone system) are both interested in Dr. Barlow's copper pipes. One promising use: to bring electric power, television and chitchat across the Channel from France...