In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.
•String theory is a broad and varied subject attempts to address a number of deep questions of fundamental physics.
•String theory describes how these strings propagate through space and interact with each other.
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Source:
[1] Wikipedia Contributors. “String Theory.” Wikipedia, Wikimedia Foundation, 6 Nov. 2020, en.wikipedia.org/wiki/String_theory. Accessed 15 Nov. 2020.
[2] pixy.org. “Grid Bent Vibration Ease Bend Image.” Pixy.org, 1970, pixy.org/4740600/. Accessed 15 Nov. 2020.
[3] World Science Festival. “What Is String Theory?” YouTube, 25 July 2019, www.youtube.com/watch?v=TI6sY0kCPpk. Accessed 15 Nov. 2020.