Physics can be broken down into two main areas: Classical Physics and Modern Physics.

Classical Physics is the Physics that's been around for hundreds of years. This includes the study of motion (mechanics), the study of heat and energy (thermodynamics), the study of electricity and magnetism, waves and sound, and ray optics. Some famous classical physicists whose work we still study today include Newton and his theory of gravity and Kepler and his theory of orbital motion.Every day, scientists are evaluating existing theories and discovering new science. Modern physics is the result of this process, and includes physics that's relatively new. Some topics of modern physics include nuclear reactions, particle physics, relativity. the nature of light, and quantum mechanics. Some famous modern physicists include Einstein and his theory of relativity, Heisenberg and his Uncertainty Principle, and Schrodinger and his probability model of the atom.

Physics courses may be theoretical (emphasizing how things happen and modeling the world around us) or computational (using equations and calculations and numerical computation). They may or may not require calculus.

Students with a general interest in physics might want to follow the American Institute of Physics and the American Journal of Physics.

The Physics Classroom also has some great resources for all areas of Physics including tutorials and practice problems. There is an online Physics Lab, where you can investigate physics concepts in a virtual laboratory setting.

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Astrophysics

Chaos Theory

Classical Mechanics

Electricity and Magnetism

Fluid Dynamics

General Physics

Gravitation

Mathematical Physics

MATLAB for Physics

Nanotechnology

Nuclear Physics

Optoelectronics

Orbital Computational Dynamics

Physics - Other

Quantum Physics

Relativity

Semiconductor Physics

Thermodynamics

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