It's 50 years since the first paper using the ganzfeld technique to research psi and so I've written a book on the topic. I mentioned it in September last year and now it's finally done, I thought I should mention it again.
It's available on Amazon
And you can read an excerpt here:
https://ersby.blogspot.com/2023/06/excer...d-sky.html
It's available on Amazon
And you can read an excerpt here:
https://ersby.blogspot.com/2023/06/excer...d-sky.html