For most of human history the living body was one of the universe’s great black boxes, inaccessible to even the finest scientific minds.
You could go to your doctor with a terminal illness but unless you were showing external symptoms there wasn’t much they could really tell you about what’s going on in there.
That all changed in 1895 when Wilhelm Rontgen discovered the X-Ray and in doing so inadvertently invented medical physics.
Darina Hickey is a medical physicist at the Beacon Hospital in Dublin - she joined Jonathan to discuss her work and how we apply medical physics in healthcare across the world.