Ford has similar labs at its Dearborn home, as well as in Germany and China, but the intent isn't to replace or duplicate work done there, Ford said.

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It has the chips and software to duplicate the work of several machines.

FORBES: The God Box

That set off several teams trying to duplicate his work while also fully outlining the process, as required by academic journals.

FORBES: Magazine Article

FBI, America maintains 11 other intelligence agencies, which duplicate each other's work.

ECONOMIST: The world's most thankless job

Its members too often duplicate each other's work.

ECONOMIST: European defence

He suffered a key setback in recent years when several groups failed to find the right kinds of spherules or otherwise duplicate the results of his team's work and, worse, when a spherule sample from Younger Dryas rocks proved to be only 135 years old.

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In some instances, there were duplicate payments and in others no follow up occurred to make sure the work had been completed to satisfaction.

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If the copying of a digital work is not allowed, for instance, such a device will refuse to make a duplicate.

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