It helps to modify the rock mass, can size up large pieces sooner and transport rock on a continuous conveyer belt, he said.

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It was relaxing, and very much in line with the prog-rock feel of the first Mass Effect.

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Mass Torts' rock-star-style center of attention is Papantonio.

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The thermal mass of the overhanging rock creates a natural thermal modulation between summer and winter.

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The air exiting the cave would be cooled by the thermal mass of the surrounding rock to within a degree or two of the yearly average temperature.

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Last April, officials in Little Rock devised a doomsday plan in case of a mass leak or explosion at the arsenal.

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So he lit out for the Berkshires and joined the board of Simon's Rock College, a liberal arts school in Great Barrington, Mass.

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Part of an outdoor art installation called Levitated Mass, this unlikely local celebrity has unified Southern California, from its humble beginnings in a rock quarry to its final placement at the museum, with a much-buzzed-about unveiling in June.

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In cases where the mass is known, scientists can determine the density, ultimately hinting at the internal structure (gas, rock and so on).

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