Imaginary numbers are purely theoretical, but they turn out very helpful in almost every engineering discipline
replySure, let me know when any of these imaginary physics is useful for predicting anything that can be observed.
replyImaginary numbers are a helpful tool for calculating things in our universe. All these holographic theories and their insights are based on a universe that behaves basically opposite to ours.
replyFrom Wikipedia, imaginary numbers...
reply> Originally coined in the 17th century by René Descartes[4] as a derogatory term and regarded as fictitious or useless, the concept gained wide acceptance following the work of Leonhard Euler in the 18th century, and Augustin-Louis Cauchy and Carl Friedrich Gauss in the early 19th century.
I think the jury is still out wrt utility of AdS spaces. They could be useless toys, or they could be in the Descartes phase rn.
Lots of science is impossible to test practically for hundreds of years before it is actually experimentally verified
replyNot actually science until you can test it.
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