How do X-Rays work?
X-rays are beams of light, more specifically highly energetic electromagnetic waves of radiation which we can not see. In our body soft tissue can not absorb the high energy rays so it passes straight through it like the skin and muscle, whereas the dense material in our body such as bone which is made of calcium absorb the radiation. When the X-rays hit the film, they are exposed to light in exactly the same way a photograph is. The black areas on the film are the exposed areas and show the parts of the body the X-rays can pass through while the white areas show the parts of the body which have absorbed the radiation such as the bone.
The X-Ray machine is essentially a camera with the patient placed between the camera and a piece of film and a photograph taken. This is now viewed on computers rather than the big pieces of films they use to use.
So there you have it, you now know how an X-Ray works!