Mr Hammond told MPs that there was a possibility of a roll-out of a heated third rail system, describing it as "particularly vulnerable".

BBC: Transport Committee

During a Lords debate on higher education on 27 October 2010, Lady Morris voiced concerns about student choice being allowed to "drive the system", describing it as an "imperfect lever".

BBC: Reforms 'could cause some universities to fail'

They fit the vision famously laid out by Vannevar Bush in a 1945 Atlantic Monthly article describing his Memex system.

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Andy Staples does a great job of describing how a return to the old system might work out in this piece for Sports Illustrated.

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Its near-spherical wheels spin on some complicated gimbal system, allowing it to hang a sharp left without describing anything as tedious as a curve.

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The comment may have been intended as just a colloquial way of describing the responsibility that the chief executive will have for making the new health system work.

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Mr Osborne has made it clear he has no plans to lower the rate again, describing the rise to 20% as a "structural" change to the country's tax system.

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Instead, they are describing a way for an attacker to more easily exploit security vulnerabilities that must already be present on the system.

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