X-ray machines are medical devices that use a form of radiation to create images of the inside of the body. They work by sending X-rays through the body, which are absorbed differently by various tissues. Dense materials like bones absorb more X-rays, appearing white on the image, while softer tissues allow more X-rays to pass through, appearing darker. These machines are commonly used in hospitals and clinics for diagnosing fractures, infections, and other medical conditions. The images produced help doctors, such as radiologists, to assess and plan appropriate treatments for patients.