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BioWare is changing the way players interact with virtual characters in the culmination of their Mass Effect trilogy.

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For virtual worlds to be able to extend this usefulness to the mass of people a lot of work has yet to be done, said Mr Rosedale.

BBC: NEWS | Technology | A very real future for virtual worlds

He studies the material properties of tissue and organs from animals and cadavers to assign shape, size, density, mass and ten or more coefficients that describe how each cube of virtual flesh will deform when confronted with a given force from a given direction.

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