How X-rays see through your skin - Ge Wang

source: TED-Ed      2015年6月22日
View full lesson: http://ed.ted.com/lessons/how-x-rays-...
Originally discovered by accident, X-rays are now used about 100 million times a year in clinics around the world. How do these magic eyes work? Ge Wang details the history and mechanics of the X-ray machine and CT scanners.
Lesson by Ge Wang, animation by Pink Kong Studios.