Breaking Down Quantum Physics 1, Observer Effect vs. You Can Make Unwanted Environments Disappear...
All things appear as matter only when observed.
One becomes visible only when one tries to see.
The 12 Categories of Perception
Numerical: Single, Many, Whole
Property: Affirmative, Negative, Limited
Relation: Substance/Attribute, Cause/Effect, Simultaneity
Mode: Possibility/Impossibility, Reality/Unreality, Necessity/Contingency