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“Clearly there is no absolute threshold,” he says.

“I think the appropriate conclusion to draw from the simulation methods we have developed is that quantum supremacy should properly be viewed as a matter of degree, and not as an absolute threshold,” says Pednault.

But other scientists reject the idea of any absolute threshold for significance.

There’s no absolute threshold where physicians can determine that a given infection is severe enough, inflammatory enough, to qualify as sepsis.

But once incomes rise beyond a modest absolute threshold, many of the things that people want are what economists call positional goods.