en.wikipedia.org/wiki/Four-dimensional_space

A four-dimensional space or 4D space is the simplest possible generalization of the observation that one only needs three numbers, called dimensions, ...

www.pitt.edu/~jdnorton/teaching/HPS_0410/chapters_2017_Jan_1/four_dimensions/index.html

The one dimensional interval; The two dimensional square; The three dimensional cube; The four dimensional cube: the tesseract; Stereovision; Summary table ...

www.tech-faq.com/what-are-the-four-dimensions.html

Mar 11, 2016 ... The four dimensions are concepts in mathematics to describe different shapes. It is easy to understand a first dimension, second dimension and ...

www.pbs.org/wgbh/nova/blogs/physics/2014/04/how-many-dimensions-does-the-universe-really-have

Apr 3, 2014 ... However, once she derives the equation for how their light moves through space, she finds that it is best expressed in four dimensions. Then ...

www.quora.com/How-can-one-visualize-4-dimensional-space

The concept of hyperspace is Amazing! Even "supernatural" phenomenon could possibly be ... So, when a four dimensional object passes through our world, we would witness a 3 Dimensional object that changes size. What we are seeing is ...

www.sciencenews.org/article/seeing-four-dimensions

Aug 22, 2008 ... Mathematicians create videos that help in visualizing four-dimensional objects.

sprott.physics.wisc.edu/pickover/fourth.html

The Fourth Dimension by Cliff Pickover. Pickover Navigation Bar: Have you ever considered how a four-dimensional being would appear to you if it suddenly ...

www.forbes.com/sites/quora/2016/12/07/einstein-could-easily-think-in-four-dimensions-and-its-a-skill-most-people-can-train

Dec 7, 2016 ... In an online lecture, a professor mentioned that Einstein could draw or imagine a 4-dimensional figure. How can one possibly do that?

hi.gher.space/classic/introduction.htm

Dec 23, 2003 ... While giving someone a definition of the fourth dimension is ... If you expanded the tesseract infinitely, it would cover four-dimensional space.