Complex sentence: The most common application of storage rings is to store electrons which then radiate synchrotron radiation; there are over 50 facilities based on electron storage rings in the world today, and are used for a variety of studies in chemistry and biology.
Split into simpler sentences: The most common application of storage rings is to store electrons which then radiate synchrotron radiation. There are over 50 facilities based on electron storage rings in the world today, used for a variety of studies in chemistry and biology.