^{ Type post AuthorNews Date December 25, 2022 Categorized Philosophy of Mind, Physics Tagged Dimensions, Dimensions in mathematics, Dimensions in space, Edwin Abbott (1838-1926)), Fifth dimension, Flatland (short novel), Margaret Wertheim, Physics on the Fringe (Walker 2011), Sixth dimension, String theory, Strong nuclear force, Tesseract, Weak nuclear force }

## Are Extra Dimensions of the Universe Real or Imaginary?

_{The human mind can imagine and work with a world that we cannot physically apprehend, that follows the rules of mathematics}

_{ News December 25, 2022 6 Philosophy of Mind, Physics }

In a classic 2018 essay, republished recently at Aeon, science writer and artist Margaret Wertheim, author of a number of books, including Physics on the Fringe (Walker Books, 2011), asks us to think about what “extra dimensions” really means: While on the local level we are trained to think of space as having three dimensions, general relativity paints a picture of a four-dimensional universe, and string theory says it has 10 dimensions – or 11 if you take an extended version known as M-Theory. There are variations of the theory in 26 dimensions, and recently pure mathematicians have been electrified by a version describing spaces of 24 dimensions. But what are these ‘dimensions’? And what does it mean to talk Read More ›