Problem: Because of our current state of the universe (low energy density) and our limited human perspective, we see an incredible complex and seemingly unrelated host of interactions.
| Electric | Lightning, Static Cling, Hold elections and nuclei together to form atoms. |
| Magnetic | Magnets, Magnetic Moment of atoms & nuclei, NMR. |
| Gravitational | Force between any two masses:
Holds planets in orbits, Your weight, Form Megascopic & Gigascopic structures in the universe. |
| Strong Nuclear | Holds P's an N's together to form atomic nuclei. |
| Weak Nuclear | Vaguely, holds quarks, etc., together to form P's and N's, etc. |
| The Fifth Force? | LRRI - long range repulsive interaction pushes matter in universe apart. |