If a particular task is possible, then there is a constructorthat can perform the task. In this framework, the transformations that take a system from input to output state are called tasks. Constructor theory rules out all the impossible output states given the initial input state of the system using existing master theories of quantum mechanics and relativity.
We look at transformations that occur in a system, allowing it to evolve from an initial input state to a final output state. Rather, we look at whether or not a particular process is possible.Ĭonstructor theory is a theory of possibilities. In constructor theory, we don’t look at the mathematical description of how something occurs. Enter David Deutsch and Chiara Marletto at Oxford University who claim that a new approach in how we do physics at the fundamental level, through constructor theory, might make all the difference to finding success in this quest. But is there a grand master theory that unifies the latter two?įor many years, the greatest and most creative minds have failed in the quest to discover a grand master theory. These theories branch out from two master theories: quantum mechanics and Einstein’s theory of relativity. Right now, we can derive everything there is related to theories on thermodynamics, mechanics, electricity and magnetism, etc. What if all these equations were brought together under one theory, one theory to rule them all, a theory of everything. There are a lot of equations in physics, each describing a certain aspect of our reality. When it does not, changes have to be made, and we are back at the drawing board. When the predictions made by the law matches reality it is deemed to be true. Much like a mathematical function, physics works by taking an input state and applying a dynamical law (the function) to it to predict an output state. This mechanistic approach is representative of humanity’s progress over centuries. A simple example would be the tracking of planetary and stellar motion across the sky to keep track of the seasons that are most profitable for agriculture.
This way, when we are given an initial set of numbers describing a system at a moment in time, we are able to use the equations to predict the system and its behavior at a future moment in time.Īncient civilizations followed this approach to the tee and while they may not have always been able to formulate an overall theory to describe a given phenomenon, they were adept in observing numerical patterns as a means towards an end. We then formulate an equation that governs these numbers, and describes their behavior with respect to time. The question: Will Constructor Theory Rewrite Physics? How Are Theories Made?įor starters, how do we come up with our theories? Well, physics advocates a systematic approach where we begin by recording our observations of reality in terms of numbers. This topic was particularly unique as it didn’t deal extensively with physics but focused on the framework with which we approached and developed physical theories about our reality. Recently, I got to work on a script with PBS Spacetime on Constructor Theory.
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