The Britannica Guide to Sound and Light

The complex fields of light and sound may be rooted in complicated scientific theory, but their applications are felt in everyday activities. The simple acts of watching television and grocery shopping have changed tremendously due to advancements in optics and acoustics. Attending a concert can be more than just an entertaining experience when one considers the architectural, visual, and acoustical feats that all employ light and sound technology. The degree to which these branches of physics have impacted modern life is difficult to estimate, and the scientific exploration of their concepts continues to alter the world around us.