This branch of science deals with the the nature of, and the interactions between, sub-atomic particles.
At this level there are no solid objects, only a constant "dance" of particles changing form, interacting with other particles, appearing and disappearing. Matter and energy are constantly exchanging form.
Total knowledge about a particular particle at a particular instant is impossible. By gaining certain information, other information is lost. Until a measurement is taken, information about a particle can only be estimated.
It is even being presently suggested that the mind of the scientist may play a part in the creation of these particles. Objective reality may not even exist at this level.
A good analogy from the physical world is the edge of a cloud or fog-bank. The visible portions are constantly disappearing and reappearing with no part staying constant for very long. We cannot predict exactly where the next visible cloud particle will materialize. From a distance we see what appears to be a complete object, but upon closer examination there is really nothing "permanent" there.
So it is with all physical objects in the universe. Death and rebirth are constant, but occur in different cycles for different things.
COMPLIMENTARITY
In modern physics each sub-atomic entity has two aspects, that of a wave and that of a particle. They are not separate phenomena, but rather different, connected descriptions and both are necessary for a complete description.
FORCE FIELDS
To science a "field" is an area within which a particular force acts. Modern physics says these forces act by the exchange of tiny particles, with the possible exception of gravity. There are force fields which hold atoms together and allow them to combine with other atoms.
Many in the healing arts and sciences believe the human body is surrounded by an energy field that directly relates to disease and health.
An example of a field is the broadcasting of radio and television programs. The antenna of the transmitting station creates a field within which electromagnetic waves flow until they are intercepted by the receiving antenna at a home or cable TV station. These fields contain information which has been encoded and must be decoded to present it in recognizable form.
NON-LOCALITY
Einstein said nothing can travel faster than light, yet something seems to be doing so. That something is a form of communication between related, but widely-separated sub-atomic particles. Somehow a particle thousands of miles from a partner-particle can "know" instantly when that particle has been disturbed. In other words, take a pair of particles and send one to New York and one to Paris. If you tilt the one in New York, the one in Paris will instantly know and tilt itself!
A similar form of "communication" is also found in certain aspects of healing and the ability of human consciousness to transcend time and space.
In essence, there appears to be another level of reality, not visible to us in this physical world. Some scientists call it "hyperspace," a region of many dimensions beyond our four.
WAVE FUNCTION
The characteristics of sub-atomic particles are described by a distribution of probabilities known as a "wave function." This represents the fact that, e.g., the location of an electron at any given instant may be any one of many places. Its wave function specifies the probabilities of its being found at any one of those places. When a measurement is made to determine where it actually is/was, this is said to "collapse" the wave function, since the probability at the location found is then one and the probabilities at all the other places have become zero.