How to hallucinate with ping pong balls - BBC Reel
Trying Out the Ganzfeld Effect Ping-Pong Ball Alternative
Experiment: Constructions In Space
We Alone on Earth: Do It Yourself : How to Build Hallucinogenic Goggles
Ways to mess with your mind (no drugs) : r/woahdude
If you tape two halves of a ping pong ball to your eyes, and stare at a red light while listening to the radio tuned to static, you will have complex and
The multimodal Ganzfeld-induced altered state of consciousness induces decreased thalamo-cortical coupling | Scientific Reports