CT Scanners: How do they work?

At some point in your life, you will likely have a CT scan, or you may have had several CT scans already. The invention of the CT scan in the early 1970s marked one of the most significant leaps in medical imaging technology since the discovery of X-rays by Wilhelm Roentgen in 1895. Find out how this marvel of medical technology works, and what the newest CT scanners can do to produce astounding images and reduce the radiation dose to patients.