Mesmerizing, Isn’t It?
This is what goes on behind the scenes whenever you open your mouth to speak. The image was captured at...

This is what goes on behind the scenes whenever you open your mouth to speak.
The image was captured at 50 frames per second over 20 seconds with a rapid-fire X-ray camera. It’s part of speech researcher Christine Ericsdotter’s work to precisely capture and build a computer model of the intricate movements of the tongue, lips, pharynx and jaw during speech.
If you’re curious, the word being said here is “pion,” Swedish for “peony.”