This paper explores the fascinating evolution of string theory, from its origins as a novel approach known as ”bootstrap models” in relativistic particle physics to its current status as a candidate theory of quantum gravity.

The Universal Time Principle (UTP) is a reinterpretation of relativistic phenomena through a constant-time lens. Rather than assuming time bends or stretches under gravity or velocity, UTP holds that time is universal and constant — and that gravity acts by suppressing the rate of internal physical processes like decay, oscillation, and emission.