SUBSTANTIAL REASONING

Laws ( physics )
- Law of conservation of energy
- Laws of motion
Energy
PRACTICALTIY , Energy verse , primitive energy , Primordial force , Primitive origin
- Nature made structures
  - Cosmic energy
    - Natural force
- Human made structures
  - Mental energy
    - Artificial force , man force causing structures to be made
    - Man made structures
- physical , chemical , quantum , Concrete
  - Concrete subject
    - biology , basic science , Humans , species , living creatures
      - Neurology , brain , neurology
  - Concrete objects , basic science
    - Machines , non living creatures
      - Computer hardware
  - Applied sciences