Word: bynum
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...There's a great difference between asking 'Is there a problem?' and asking 'What can we do about the problem?'," Carolyn W. Bynum, assistant professor of History and a member of the WFG steering committee, said yesterday. "At Harvard in the past four months there has been a change from asking the first question to asking the second...
...representatives first asked Dunlop to appoint the committee in January, Mrs. Bynum said. At that time Dunlop requested a memorandum-presented to him by the group on March 11-documenting the need for such a committee...
Liquid Latex Pavement. At Texas A. & M., Research Engineer Douglas Bynum, 35, is testing his theory that the rubber in discarded tires might give asphalt added flexibility and more resistance to cracking. Working in the university's Transportation Institute, Bynum prepared samples of asphalt combined with ground-up rubber obtained from old tires. Test results showed that the powdered rubber-used as a binding material-increases asphalt's overall cohesiveness so that it does not split when roadbeds shift slightly or sink. Bynum's findings seem to be a natural outgrowth of experiments by the rubber industry...
...several remaining obstacles to waste-product highways. It may prove impractical to separate tires and bottles from other refuse. Processing plants to grind the materials to the right size and shape may be too costly. And highway builders must still be convinced that the new aggregates are effective. But Bynum is optimistic: "I think sheer economics favors the idea," he says. "We could save the money we spend to dispose of these materials and get better highways...
Best of all, Bynum says, there would be no foreseeable shortage of materials for the improved roads. Combined with asphalt, the old tires and bottles disposed of in 1970 could pave a freeway that would span the U.S. 23 times...