ABSTRACT

It’s over 100 years since the accidental discovery of ‘radium’ and the discovery of ‘X-rays’. The early scientists were intrigued by how photographic paper, stored carefully in the dark, became ‘fogged’. It was not long before the invisible radiation was associated with radium and soon it was discovered that this invisible ray left a mark on photographic paper and could be used to make pictures of the bones in one’s hands.