John Archibald Wheeler's participatory universe theory, also known as the "observer-participancy" or "it from bit" theory, is a speculative and controversial interpretation of quantum mechanics. It suggests that the act of observation or measurement by a conscious observer plays a fundamental role in the creation or determination of reality.
It is important to note that the scientific community is not universally accepting of Wheeler's participatory universe theory. While there may be scientists and researchers who find the ideas intriguing or thought-provoking, the theory does not enjoy widespread acceptance among physicists or the scientific community as a whole.
Quantum mechanics itself is a highly successful and widely accepted framework for describing the behavior of matter and energy at the microscopic level. However, the interpretation of quantum mechanics and its philosophical implications remain a subject of active debate and investigation among scientists. There are various interpretations, such as the Copenhagen interpretation, the many-worlds interpretation, the pilot-wave theory, and others, each with its own proponents and critics.
Wheeler's participatory universe theory, with its emphasis on the role of consciousness and observation, falls into the realm of speculative and philosophical ideas that have not gained broad acceptance or experimental confirmation within the scientific community. It is considered more of a minority or fringe viewpoint rather than a widely supported scientific theory.