Perceiving "Auras"
1. Focus on the black dot for a suitable length of time until your concentration is fixed.
2. With your focus still on the black dot gradually use your peripheral vision to focus on the red and blue spheres.
This trains the biological eyes, for the inner eye you might be interested in this the "CIA Remote Viewing Manual" (Be forewarned, you might start attracting "attention" which can be of all persuasions.)
