The usual form of footbath, which is commonly done in resorts or spas, is different from the detox foot spa machines sold in the market today. Footbath have originated from a Japanese legend occurred about 1,600 years ago. It was narrated by a group of sickly people and monks who made pilgrimage.
Sun is generating energy by nuclear fusion. And nuclear fusion will emit energy in the form of gamma rays. Normally earth's ozone filtering the Ultraviolet radiation. And magnetic fields of earth deflecting the cosmic rays(charged particles).
Ozone has an absorption / emission band in the range of blue, so that is how we'd see it with our eyes... were it thick enough to more than add a hint of blue to our sky.It very strongly absorbs in UV-B and more energetic, and over a narrow band in the far infrared.zone has an absorption / emission band in the range of blue, so that is how we'd see it with our eyes... were it thick enough to more than add a hint of blue to our sky.