What is PHYSICS?

Physics, the most fundamental of all sciences, is concerned with the basic principles of the Universe.  It is the

foundation upon which the other physical sciences - astronomy, chemistry, and geology - are based.  If you study

a natural process long enough to collect sufficient data, you can probably figure-out a mathematical model for it.

The beauty of Physics lies in the simplicity of the fundamental physical theories and in the manner in which just a

small number of fundamental concepts, equations, and assumptions can alter and expand our view of the world

around us. The numerous physical phenomena in our world are all part of one of the following five areas of Physics:

1. Classical Mechanics - the motion of objects with speeds that are low compared to the speed of light, c.

2. Relativity - a theory describing objects moving at any speed, even those speeds approaching the speed of light.

3. Thermodynamics - which deals with heat, work, temperature, and the statistical behavior of particles.

4. Electromagnetism - which involves the theory of electricity and magnetism, along with electromagnetic fields.

5. Quantum Mechanics - a theory dealing with the behavior of particles at the atomic and subatomic level. Special

interest here is the work being done at Cern with the Large Hadron Collider (LHC).

Isaac Newton (1642-1727)

"If I have seen further than others, it has been by standing on the shoulders of giants."

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