Thomas Campbell, a Physicist and consciousness researcher, has developed a virtual reality theory, which he hope to gather evidence for with a set of experiments based on the double slit experiment.
His book, My Big TOE (Big Theory of Everything), is a solid read, but well worth it. If you find the book too much, follow Tom on his youtube channel and watch some of his videos to get up to speed with his message.
I highly, highly recommend getting to know and understand Tom’s Theory of Everything.
Below is a great interview of Tom which gives a overview of his TOE (Theory of Everything).