Foundations Of Quantum Gravity -

Instead of strings, LQG suggests that space itself is made of discrete "loops" woven together. In this view, space is not a container but a network of relationships.

Which of these theories—the "strings" of energy or the "loops" of space—do you find more ? Foundations of Quantum Gravity

For more in-depth exploration, you can find academic papers on these foundations at arXiv.org or through the Stanford Encyclopedia of Philosophy . Instead of strings, LQG suggests that space itself