With its bright, clear dial and large plungers and crown, the Bulova stopwatch was considered ideal for double-checking the duration of engine burns.

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The uncanny fusion of actual and virtual space utilizes dual stereoscopic projections, mirrors, a double-sided projection and game engine software customized by the artists.

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The challenge is building as much influence as possible over what people are saying about you, a concern that has U.S. companies now putting a third of their online budgets into their own sites, double what they spend on search-engine marketing, says ad-spending research group Outsell.

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By contrast, the engine designs for a putative Concorde 2 had a revolutionary double-fan arrangement that would have gone a long way to cutting the noise.

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In December it was disclosed that Iraq would be allowed to acquire 36 single-engine Lockheed Martin F-16s and that Oman would double its fleet of the same plane to 24 aircraft.

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Nissan also plans to upgrade the engine in its Titan full-size pickup truck and seek to double that vehicle's U.S. sales, he said.

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The additional front-wheel drive called for a newly designed front axle: unlike the series production vehicle with AMG V8 engine, which has a double wishbone axle, the SLS AMG E-CELL features an independent multi-link suspension with pushrod damper struts.

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What the sophomoric spot doesn't mention--perhaps because there isn't a handy double entendre--is that much of the sport utility vehicle's swagger comes from its macho engine option, a 340hp, 5.7-liter V8 Hemi.

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