The system might also link subsidies to students' performance.
Racial bias in the health care system might also be a factor.
For that matter, the system might also have thrown the 1992 election to George Bush senior.
The system might also flag what Elena Donio, vice president for marketing at Concur Technologies, which also designs expense-management software, called "the buddy meals report".
Looking farther ahead, the company said the system might also be able to monitor temperature levels in freezers and hot water heaters.
Though a flat tax might convey some economic gains, he said, the social value of a progressive tax system might also be substantial.
That reintroduces some administrative burden, but avoids supporting the idle.A better system might also be financed by a return on assets, rather than by taxes.
Teaming up with Google, whose Android software has become the biggest smartphone operating system, might also be an option for some TV manufacturers to counter Apple's threat.
Mr. Lombardi said the system might also be able to point straphangers to the least crowded cars on a train, using information from onboard sensors that monitor the weight of each car.
The scientists said that a missile defense system might also be confused if an enemy enclosed a warhead in an aluminum shield cooled by liquid nitrogen, foiling the heat-seeking sensors on the antimissile missiles sent to destroy the warhead.
Research focused universities have in the past been criticised for putting research before teaching; I would ask these universities to consider whether their welfare system might also be suffering as a result.
