* Interaction of light with matter : absorption, emission        
     and transmission or why things look the way they do.

     * Emission and absorption of light by atoms and molecules or
     photons for food.

     * Forms of energy or the most basic concept in physics.

     * Color or lets be artistic.

     * Energy levels in atoms and molecules or a new look at
     cooking.

     * Spectra or the finger prints of atoms and molecules.

     * Measuring the size of the universe

     * Fluorescence and phosphorescence or the discotheque effect.

     * LASERS or star wars.