Word: westbound
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...airborne clocks would appear to be moving faster (their air speed added to the rotational velocity of the earth's surface) than a reference clock back in Washington; hence, the flying clocks would lose a little time - or, like the astronaut, "age" a little more slowly. On the westbound trip, when they were flying against the earth's rotation, the airborne clocks would seem to the same observer to be traveling more slowly than the Washington clock. (Their air speed would be subtracted from the rotational velocity of the earth.) Thus the Washington clock would appear to slow...
...effect of the varying speeds, altitudes and flight paths of their planes. Yet all the time-consuming work paid off handsomely. According to theory, the four clocks should have lost 40 billionths of a second on the eastbound trip and gained 275 billionths of a second on the westbound. In fact, the actual results were only 5% off on the eastbound and no more than 30% on the westbound flight. Although the results may not be accurate enough to convince all skeptics, Hafele is satisfied. "The experiment," he says, "was successful beyond our best expectations...
...earth, which at the equator spins in an easterly direction at about 1,000 m.p.h. Thus, by Einstein's clock-paradox equation, the clocks on board should lose about one-hundred billionths of a second compared with another extremely accurate atomic clock left behind in Washington. During the westbound flight, however, the plane will be flying against the earth's rotation. To an observer in distant space, the clock in Washington would appear to be moving faster than its four counterparts in the air and thus would slow down in relation to them. As a consequence, the airborne...
...westbound lanes are scheduled to open to traffic early next month...
Goyette said that the Eastbound lanes of the underpass should be open by late April. Westbound lanes will open sometime in May. After that, workers will landscape the top of the underpass. By Commencement Day, a grassy mall-complete with paved sidewalks and flower-beds--will cover the present excavation...