Engineers believe that the engine probably shut itself off when it was first started because of metallic grit or other contamination between the two high-voltage grids at the rear of the advanced engine.

CNN: Deep Space probe's ion engine working smoothly, NASA says

Research by Accenture for the World Economic Forum exposes two key challenges facing utilities in the roll out of smart grids.

FORBES: Hard Lessons For Smart Grids

Secondly, Cisco Extended Memory technology allows each blade server in a cluster to support more than twice as much memory as a conventional two-socket server, which makes it easier to construct grids that process terabytes of data in memory.

FORBES

The pond is covered by heavy metal grids for security and safety which Susan said would take two or more people to lift and catch the fish which have been known to live up to 50 years.

BBC: Japanese koi carp stolen in Omagh

Engineers trying to prevent grids from becoming overloaded on dry land might learn a trick or two from the navy's researchers.

ECONOMIST: MONITOR