Three dimensional problems. Rotational symmetry, angular momentum, and the angular momentum eigenstates (the quantum numbers l, m). The Hydrogen atom. Atomic and molecular structure and spectra. The matrix formulation of quantum mechanics. Time independent and time dependent perturbation theory. The interaction of radiation with matter. Quantum statistics: bosons- the basic principle of the laser and of superconductivity- superfluidity. Fermions: the Pauli Principle. Scattering. Fundamentals of quantum mechanics and introduction to the concept of quantum computation.