The theorem concerns a three-dimensional space with no boundaries.

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Merida's hair is made up of 1, 500 individually sculpted curves, distinct points in a three-dimensional space, that are programmed to bounce and interact in relation to one another via a new software system, says Ms. Chung.

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Such detailed, small-scale measurements of a three-dimensional region of space would be impossible without satellites flying in formation.

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Einstein's theory of relativity unified these and created a four-dimensional space that is an analogue to our three-dimensional space, except that the "distance" between two points need not be positive.

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"It's a long way to go, and is like a combination of playing three-dimensional chess and bridge and trying to run a NASA space programme, all at the same time, " he added.

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The Center efforts are focused within the Pediatric Engineering Research Laboratory (PERL) which includes the WREX (Wilmington Robotic Exoskeleton) that allows children with weakness to move their arms in three-dimensional space in front of them, and the Cricket, a brace compliance sensor.

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The show floor space dedicated to three-dimensional imagery has been decimated, relegating a dubious technology to its proper position as a sideshow rather than a leading cause to upgrade your TV.

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