Once in operation, the machines run continuously, stopping only for maintenance and the occasional breakdown.

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Now the letters of the threads that run continuously beneath the live reporting look to me like the cogs of a virtual flywheel, one that spins ever faster as it tries to provide our inertial present with motive force.

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By contrast, energy companies run their turbines continuously at constant speeds and filter the air intake against damaging particles.

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The country has run a deficit continuously for 30 years, but last year's was its biggest yet, driven not only by weak exports but also by rapid growth in consumer spending.

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In the event of a prolonged power blackout, backup generators frequently run out of fuel or suffer performance problems when they operate continuously for more than a few days.

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The messages from various experts seem to converge on the fact that continuously rising oil prices would be unsustainable in the long run.

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