University of Washington
Our Sense of Hearing Experiment: Locating Sound Sources
Have you ever wondered how your ear works? This website will provide you with knowledge on how to locate sound sources among other ear information.
Creative Science Centre
Creative Science Centre: A Voice on a Sunbeam
Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...