Distributia
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Neil TorukHimself - Prof / Director, Perimeter Institute
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Lee SmolinHimself - Prof., Perimeter Institute
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David O'BrienNarrator
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Tamara DavisHerself - Prof., University of Queensland
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Ron MallettHimself - Prof., University of Connecticut
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Nikolai KardashevHimself - Prof., Lebedev Physical Institute
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Yuri KovalevHimself - Prof., Chief Project Scientist - Radio Astron
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Shohini GhoseHerself - Prof., Wilfrid Laurier University