You may not think of salt and sugar as solids because when you see them in the kitchen they are such small particles. But each of these particles is as much a solid as a wooden table, a glass window, or a gold piece of jewelry. A solid is a collection of atoms or molecules that are held together so that, under constant conditions, they maintain a defined shape and size.
Pulse Width Modulation, or PWM, is a technique for getting analog results with digital means. Digital control is used to create a square wave, a signal switched between on and off.
MSM, or methylsulfonylmethane, is a supplement that is used to try to help a wide range of conditions, including arthritis, allergies, and even snoring. MSM is an odorless and tasteless natural sulfur compound found in all living things.ulfur is needed by the body for healthy connective tissue and joint function and has purported pain-quashing and anti-inflammatory properties. While MSM is found in many foods -- including meat, fish, certain fruit, vegetables, and grains -- it is destroyed when foods are processed.