1.   Even the golf course, some say, was built to create a buffer zone between black and mixed-race areas.

2.   The contractor will punch holes through the slab at the base of the old Times building to create footings for the new building on the rock below.

3.   The High Flux Beam Reactor at Brookhaven was much smaller than nuclear reactors built to create power, but it operated on the same principle.

4.   Ranada said his idea might be testable in tokamaks, which are machines built to create nuclear fusion, or in devices built to produce fireballs.