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• s  involving or relating to the fourth dimension or time

• It's an expression the Tralfamadorians a race of four-dimensional aliens repeat whenever somebody or something dies.
• Musing on the inexplicable nature of a tesseract (an unfolded four-dimensional cube), Alfredo thinks, "A hypercube is a thing you are not equipped to understand.
• Now imagine this happening in the four-dimensional fabric of space and time.

• 4-dimensional

News & Articles

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• Goodbye Big Bang, Hello Black Hole? A New Theory Of The Universe’s Creation
  Could the famed “Big Bang” theory need a revision? A group of theoretical physicists suppose the birth of the universe could have happened after a four-dimensional star collapsed into a black hole and ejected debris. Before getting into their findings, let’s just preface this by saying nobody knows anything for sure. Humans obviously weren’t around at […]
  Sept. 18, 2013 - Universe Today
• Study: Our 3D Universe Could Have Originated From a 4D Black Hole
  New submitter TaleSlinger sends this quote from Nature: "Afshordi's team realized that if the bulk universe contained its own four-dimensional (4D) stars, some of them could collapse, forming 4D black holes in the same way that massive stars in our Universe do: they explode as supernovae, violently ejecting their outer layers, while their inner layers collapse into a black hole. In our Universe ...
  Sept. 15, 2013 - Slashdot

Quotes

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• Ani DiFranco in Aspen Times
  Todd described my music as four-dimensional,said DiFranco, "meaning there were a lot of ways to relate to it."