61.   New computer users lust for PCs so fast and powerful you could use one to run a NASA mission.

62.   No surprise, the U.S. used one to grab Alexi Lalas.

63.   No matter which one is used, it will bring back memo- ries of the old.

64.   Now she is collecting used ones to give away.

65.   Only one was actually used, with the other three serving as backup.

66.   Perfect pitch allows people to identify a single note without using another one for comparison.

67.   Proud engineers like to design their own circuits rather than use prefabricated ones.

68.   Schools have been closed, and at least one is being used by the army as a makeshift base.

69.   She used one to explore and help measure the depth of holes.

70.   Similarly, experts say almost anyone with the desire could obtain the materials and instructions for building a bomb like the one used in Oklahoma City.