Word: tunnelling
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Dates: during 1990-1999
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...Caltech machine involved travel through a wormhole, a bizarre object that physicists believe might exist at the core of a black hole. Under the infinite density and gravity at the black hole's center, space could be so profoundly warped that a tunnel would form, far narrower than a subatomic particle, that might reach to some distant part of the universe. Anyone or anything entering the tunnel would appear instantly at the other end and, under special circumstances, would essentially travel into the past...
...aerodynamics with practical experiments on airplanes and spacecraft. In one hangar-size workshop, stress- testing sensors cling like barnacles to prototypes of the new MiG-31 fighter and the next generation of Soviet civilian airliners, the Tu-204 and Il-114. Nearby is the T-128 transonic wind tunnel, where the space shuttle Buran and the Energiya booster rocket were tested with airstreams driven by a 1,000-kW compressor. The center is also adjacent to the Ramenskoye proving ground, the largest airfield in Europe...
...DeWolfe] seems to come right up to the street. I hope they can come up with some creative landscaping," says Thomas A. Dingman '67, associate dean of the College for housing. "It seems like a tunnel going down the street...
...recommended Scheme Z design for the I-90/Route 1 interchange over the Charles River in East Cambridge, voted to recommend an alternative plan. The group is now considering a number of alternatives, all of which vary from Z by converting one or more of its overhead loops into tunnel form...
That design would have put the Charles River crossing entirely underground, eliminating aesthetic and environmental side effects. However, the all-tunnel plan would have cost the state and federal governments at least $1.6 billion--there times the price of Scheme Z and most of its close relatives...