The Kaluza-Klein theory proposes the existence of a fifth dimension in addition to the four dimensions we perceive. The addition of the fifth dimension was necessary to unite the gravity described by Einstein with electromagnetism. From this concept, string theory developed, which posits a 10-dimensional universe. The six extra dimensions are called Calabi-Yau spaces.
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🔵 Running time:
00:00 Introduction
00:42 The misconception of universal time
02:21 The perception of space
03:11 The Kaluza-Klein theory
04:15 Extended dimensions and Compactified Dimensions
05:49 What is the compactified dimension like?
07:08 Was the theory wrong?
08:45 String Theory
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