They're not just for science or music. The resonant tones of these simple instruments can be used for healing.
It's a system of using tuning forks on the acupressure points.
Jonathan Goldman writes about tuning forks -- He says "The sacred ratio of 8 to 13 is quite important in regard to the effects of these tuning forks."
This helpful table lists the tuning fork frequencies of the planetary rhythms, sounds, colors and meters.
This page offers suggestions for toning the tuning forks, plus charts for human organs and mineral nutrients.
Here is an nine-step energy transformation technique beginning with tuning forks on the soles of your feet. It clears your physical body of blockages.
You'll find the correspondances between the tones, chakras and the planets to be most interesting.
A wonderful article by Alan Sales explaining the integral relationships between the chakras, meridians, and endocrine glands.