Word: barriere
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Biological Barrier...
...that must be performed swiftly to detect any gas or radioactivity that the samples may give off; the emissions may decrease or stop soon after the sample is removed from the lunar surface. The samples will be sealed off from the rest of the world by a double biological barrier: 1) a vacuum system and a series of vacuum chambers in which the specimens remain while technicians handle them through insulated "glove ports" or by remote-controlled mechanical arms; and 2) an air-conditioning system that maintains lower air pressure within the LRL than outside so that, if there...
...barrier that set Armstrong, Aldrin and Collins apart from their questioners was highly appropriate. When?if all goes well?the three make their next public appearance, they will do so as mankind's first voyagers to an extraterrestrial body. They are only men, chosen for their role by fate as well as by their own unquestionable talents. But by virtue of their momentous experience, they will also be men set apart from their fellows...
Heavily criticized abroad for its repressive policy of apartheid, the South African government takes its points of pride where it can find them. For years it has proudly pointed to the country's free press. But freedom ends at the racial barrier. Laurence Gandar, editor in chief of Johannesburg's Rand Daily Mail, has long been one of the few resident journalists bold enough to prod gently for gradual integration of the black majority. His reasoned crusading earned him the wide respect of foreign colleagues and the disfavor of the government for the past dozen years...
...five years when, in A.D. 122, a frontier tour brought him to the site of the wall. He evolved (personally, according to Divine) a radical new defense plan that helped in part to lend his name to the wall. Previously, Roman soldiers had been stationed in fortlets behind the barrier; from these they were ready to be rushed to threatened segments whenever an attack was mounted. Hadrian added cavalry, giving his forces far more flexibility and speed, and enabling them to meet any attack before it could gather full momentum...