Home page for a hypertext course on physics. Accesses a range of topics from hearing to sound measurement to sound propoation to musical instruments.

This site from Cornell University provides a very short, very telling comparison of matter and charge. This is a good site to check out on the subject, with a chart diagram to help with further information.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses wavelength and the uncertainty principle. Information is also provided on de Broglie wavelength and electron...