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Giant Solar Plane Completes Spain-Morocco Flight
from BBC News Online
A solar-powered plane has landed in Morocco after flying from Spain, completing the second leg of its pioneering journey. Pilot Bertrand Piccard landed the Solar Impulse in Rabat--19 hours after taking off from Madrid.
The plane--the size of a jumbo jet--was powered by 12,000 solar cells turning four electrical motors. The 2,500km-trip (1,550 miles), begun in Switzerland in May, is described as a rehearsal for a world tour in 2014.
Made of carbon fibre, the plane is the size of an Airbus A340 but only weighs as much as an average family car, according to its creators.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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