Infrared energy, also known as radiant heat, is a form of energy that heats objects directly through a process called conversion, without having to heat the air in between. Our sun is the principal source of radiant energy. Far-infrared rays are part of the sunlight spectrum which is invisible to the naked eye. They are also known as biogenetic rays. Scientists have proven that these rays promote the growth and health of living cells in humans, animals and plants. Far-infrared light penetrates beyond the skin level and is absorbed by cells below, whereas visible light is mostly bounced ...