do you need ping pong balls for ganzfeld experiment

IMAGES

1. Ganzfeld State

   

2. 50 Ping Pong Balls Experiment

   

3. Air Pressure Ping Pong Ball Experiment

   

4. Air Pressure Impact on Ping Pong Balls Science Experiment

   

5. Flying Ping Pong Ball Experiment

   

6. Ping Pong Ball Experiment