Discovered in the late 19th century, radiation has changed the way we view our world on a fundamental level. Unfortunately, it often gets a bad rap. Though radiation can have dangerous, even devastating effects, it’s also a part of everyday life. Since its discovery, however, it’s also has become an invaluable tool, with implications in so many fields, from geology to medicine. Though we value a good sense of caution, we also like to keep things in perspective; so let’s debunk what exactly radiation is, and some of the most common myths surrounding it.