From the British base, a twin-rotor helicopter ferries U.S. Marines and equipment to Camp Dwyer, another British base that now is also home to the U.S. Marines 24th Expeditionary Unit.

NPR: Trip Illuminates Life on Bases Across Afghan Desert

It's a catheter with a rotor blade at its tip that chops away at the gunk on the artery walls and then sucks it up.

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During take-off, the four 15-metre rotor-blades will be folded flat against the craft's body.

ECONOMIST: On a rotor-blade and a prayer | The

Pioneering FoxHollow's device chips plaque off artery walls with small rotor blades.

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For the purposes of floating wind farms, such turbines are not light enough, they are too tall and the rotor blades are too small, according to Mr Bratland's early assessments, made even before the 2.3 megawatt turbine has started delivering electricity through the sea-bed cable that connects it to the Norwegian national grid.

BBC: Floating challenge for offshore wind turbine

With a global sales and support presence, its products are offered by virtually every fixed- and rotor-wing airframe manufacturer in business aviation, and are installed aboard the world's four largest fractional ownership fleets.

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