to acknowledge what has happened. In a 2019 commemoration in honour of physicist Geoffrey Chew, one of bootstrap's "fathers", Capra replied to criticisms such as Woit's: However, the standard model does not include gravity, and hence fails to integrate all known particles and forces into a single mathematical framework. The currently most popular candidate for such a framework is string theory, which pictures all particles as different vibrations of mathematical "strings" in an abstract 9-dimensional space. The mathematical elegance of string theory is compelling, but the theory has serious deficiencies. If these difficulties persist, and if a theory of "quantum gravity" continues to remain elusive, the bootstrap idea may well be revived someday, in some mathematical formulation or other. Editions The Tao of Physics, Fritjof Capra, Shambhala Publications, 1975 Shambhala, 2nd edition 1983: Bantam reprint 1985: Shambhala, 3rd edition 1991: Shambhala, 4th edition 2000: Shambhala, 5th edition 2010: Audio Renaissance, 1990 audio cassette tape: Audio Renaissance, 2004 audio compact disc (abridged) See also Quantum mysticism Quantum Reality The Dancing Wu Li Masters The Turning Point War of the Worldviews Notes References The Holographic Paradigm and Other Paradoxes, edited by Ken Wilber, Boulder, Colorado: Shambhala, 1982, Siu, R. G. H., The Tao of Science: an Essay on Western Knowledge and Eastern Wisdom, Cambridge, Massachusetts: MIT Press, 1957, / 1975 non-fiction books American non-fiction books Books by Fritjof Capra English-language books Works about philosophy of physics Quantum mysticism Shambhala Publications books Taoist philosophy