51.   Although the interlock device can be useful, there are one or two problems for the end users, aside from embarrassment.

52.   Among the equipment were devices for measuring radiation and the detection of biological and chemical weapons.

53.   Among them is a device that would gather carbon dioxide from the Martian atmosphere and combine it with hydrogen to produce methane, a rocket fuel.

54.   And error-correction techniques have advanced so that specialized GPS devices can be accurate to the width of a golf ball.

55.   And a living biologic device should be better than a mechanical replacement, because it could adapt in ways that no piece of equipment can.

56.   And although the device is easy to disarm, gun safety analysts said police would be unlikely to keep their guns locked during work hours.

57.   And researchers say it could be years before these devices are commonplace.

58.   And often the devices themselves were pieces of art.

59.   And no device is a substitute for smart driving.

60.   And the device is not without its critics.