string theory has not been proven wrong. However, it is important to note that string theory is a highly speculative and mathematically complex framework that seeks to unify quantum mechanics and general relativity. It is still an area of active research and debate within theoretical physics.
String theory proposes that fundamental particles are not point-like objects but tiny vibrating strings. These strings can have different vibrational modes, giving rise to a variety of particles with different properties. String theory also requires the existence of additional spatial dimensions beyond the familiar three dimensions of space and one dimension of time.
While string theory has shown promise in addressing some long-standing issues in theoretical physics, such as reconciling quantum mechanics and general relativity, it has not yet made direct experimental predictions that can be tested with current technology. The energies required to probe the scales where string theory becomes relevant are far beyond the reach of current particle accelerators.
Additionally, string theory has many different versions and mathematical formulations, making it a complex and challenging field of study. Critics argue that it lacks experimental verification and that it has not provided a unique and testable prediction that distinguishes it from other competing theories.
Despite these challenges, string theory continues to be an active area of research, and physicists are exploring its implications and mathematical consistency. It is possible that future developments, such as improved experimental techniques or theoretical advancements, may shed more light on the validity and predictive power of string theory.