It was among the first general-purpose computers capable of storing programs in rewritable memory, which took the form of mercury delay lines.

ENGADGET

Before the introduction of magnetic tape, digital storage for early computers used punched cards, paper tape as well as more exotic technologies such as mercury delay lines and the phosphors on cathode ray tubes.

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Much of the delay in getting new lines built has been due to "not in my backyard" opposition at the state and local levels.

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Their tow lines were breaking, which caused more delay and lower morale.

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The demand for power has fallen, which has chipped away at bottom lines, all of which has forced utilities to delay much needed investment in infrastructure.

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"All lines are now open, but services may still be subject to short notice delay, " said an Arriva spokesperson.

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