That requires the continued operation of many mechanical systems that might otherwise have been shut.
Electronic voting systems that might work in major cities are probably too expensive for rural areas.
Washington should step back and consider other possible designs for defensive systems that might avoid such decoy problems.
Humanitarian work has also allowed Ban to explore materials and systems that might be disallowed outside a disaster area.
There were no signs of a loss of pressure in the station or of leaks in cooling and hydraulic systems that might indicate a breach.
This is to let our admiration for features of the current professions distort our judgment about the different people and systems that might replace them in the future.
As Moscow sees it, such an agreement would ensure that only limited defenses against pariah nations or terrorists will be developed, not the kinds of more extensive defensive systems that might one day neutralize Russia's own missile force.
Working with a "bag of fatty acids with no DNA" called a proto-cell, she hopes to develop building systems that might be able to fix carbon dioxide from the air to create artificial reefs beneath Venice, for instance.
Though it was badly mangled and burned, they said there were no signs of any problems with the car's electrical systems, brakes, throttle, fuel system, steering, suspension or other systems that might have caused the crash.
Ranging from Old Etonian to college dropout, the survivors share a checklist of comparative advantages, including fancy locations, uncanny visual memories, archives and, increasingly, computer systems that might impress the F.B.I., vivid entrepreneurial imaginations and a global Rolodex.
In his book "Normal Accidents," the sociologist Charles Perrow argued that when complex technology meets large corporate and government hierarchies, lack of accountability will lead inexorably to destructive failures of systems that might have been operated safely.
