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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.”

[Christine Ericsdotter via Hundertmark, Not Cot]

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