The universe is a symphony of vibrating strings from "summary" of Reality Is Not What It Seems by Carlo Rovelli
The idea that the universe is a symphony of vibrating strings is a fascinating concept that has emerged from the study of quantum gravity. According to this theory, the fundamental building blocks of the universe are not particles, as we have long believed, but tiny, vibrating strings. These strings are incredibly small, much smaller than even the smallest particles we are familiar with. They vibrate at different frequencies, and it is these vibrations that give rise to the various particles and forces that make up the universe. Each particle in the universe is associated with a different vibration of these strings. For example, the electron is associated with a certain vibration, while the photon is associated with a different one. In this way, the entire universe can be thought of as a symphony of strings vibrating at different frequencies, each contributing...
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