Tag Archives: Cavity

Cavity Forming Behind Knuckle-Cracking Sound: Study

Finding a reason behind the centuries-old common practice of knuckle cracking and the sound it give out, researchers said it was due to quick cavity formation between the joints that gives out the sound. Scientists have debated the cause of joint cracking for decades, dating back to 1947 when British researchers first theorised vapour bubble formation as the cause. but ...

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