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The fourth dimension - more than meets the eye
Documentary which explores the theory of a hypothetical universe. Physics is pointing to the existence of a fourth dimension, and its implications open up science fiction-type possibilities. There could even be further dimensions, according to string theory, as the programme discovers.
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大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
Space
The eclipses, spacecraft and astronauts changing our view of the Universe
The Curious Cases of Rutherford and Fry
A pair of scientific sleuths answer your perplexing questions. Ask them anything!
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Discovery
Explorations in the world of science.
