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For one, the coherence time of these particles — or how long they can exist without being affected by environmental noise — is still very short, he explained.

Ireland also benefit from a coherence that comes from four provinces, compared to 10 Premiership clubs.

"I think that it's important to work towards far greater coherence in the armed effort in North Kivu, probably involving a reduction in the number of armed groups or armed actors on the ground."

There was a coherence to his agenda to use every means to drive down energy prices including by pressurising the Saudis on oil.

It’s equally important that this deliberative process, driven by voter concerns, help bring clarity and coherence to those concerns.