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In this interactive ESL video lesson the focus is around improving students' basic listening comprehension skills.

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.

How X-Rays Work

how-x-rays-work

Let's do English ESL deep listening: focus on meaning. In this interactive ESL video lesson the focus is around improving students' basic listening comprehensio…