Experiments in Sound Author:Nelson F. Beeler The world is full of sounds, writes Dr. Beeler. How sounds are made, how sounds travel, measuring the speed of sound, how sounds are absorbed, sound toys, musical instruments, and the reflection of sounds are just a few of the topics covered in this comprehensive, up to date book. Among the more timely aspects are discussions of the ... more »work done toward finding uses for sounds of extremely high frequency. There are innumerable experiments that can be performed with simple equipment. « less