Georgia State University
Georgia State University: Hyper Physics: Interference of Sound
Information about the interference of sound and its causes. Well-illustrated and good explanations of the concepts; part of a large hyper-textbook on various physics concepts.
BBC
Bbc: Bitesize: Gcse: Physics: Reflection and Refraction
All waves will reflect and refract in the right circumstances. The reflection and refraction of light explain how people see images, color and even optical illusions. This tutorial discusses each concept and presents an experiment to try...
Symmetry Magazine
Symmetry Magazine: Explain It in 60 Seconds: W Boson
The W boson, described here, is important in the study of the differences between matter and antimatter. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of different concepts in...