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  1. Four-dimensional space ( 4D) is the mathematical extension of the concept of three-dimensional space (3D). Three-dimensional space is the simplest possible abstraction of the observation that one needs only three numbers, called dimensions, to describe the sizes or locations of objects in the everyday world.

  2. 14. Apr. 2023 · Learn how to visualize and imagine the fourth dimension by extruding a cube in a direction perpendicular to the third dimension. Explore the properties and characteristics of tesseracts, the 4D analogues of cubes, and how they differ from our 3D world.

    • Trevor English
  3. 29. Aug. 2021 · Doch erst der englische Mathematiker und Philosoph Charles Howard Hinton machte solche Ideen einer breiten Öffentlichkeit durch seinen Aufsatz »What is the Fourth Dimension?« (1880) zugänglich. Darin erklärt er unter anderem, wie sich ein vierdimensionaler Hyperwürfel konstruieren lässt, den er »Tesserakt« nannte. Dazu ...

  4. 26. Apr. 2017 · Learn how to create and project a 4D hypercube using stereographic projection, a mathematical technique that maps a sphere onto a plane. Explore the connection between space and time, and the 4th dimension in physics and mathematics.

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  5. 11. Nov. 2023 · Learn how Einstein's theory of relativity rejects the concepts of space and time as separate dimensions and unifies them into spacetime. Discover how mass and energy bend spacetime and create gravity, and how spacetime affects the paths of objects.

  6. 30. Jan. 2023 · Albert Einstein believed space and time made up a fourth dimension. An example from a string theorist gives a view of what a fourth dimension could be.

  7. In our everyday lives, we experience three spatial dimensions, and a fourth dimension of time. How could there be more? Einstein’s general theory of relativity tells us that space can expand, contract, and bend. Now if one dimension were to contract to a size smaller than an atom, it would be hidden from our view. But if we could look on a ...