Dementia Tied to White Matter Rarefaction in Football Players With CTE — But factors not associated with head trauma emerge, too by Judy George, Senior Staff Writer, MedPage Today August 5, 2019 ...

The Rarefaction wAVE guN (RAVEN) was invented by Kathe to substantially reduce the recoil and, hence, the mass of the system that absorbs the recoil, while minimally reducing the projectile velocity.

FURTHER READING. ARES, Inc., Port Clinton, Ohio, was awarded on Jul. 25, 2008, a $10,214,127 cost-plus fixed fee contract for the design, engineering, manufacturing, test and performance evaluation ...

A tuned length primary exhaust header pipe creates a rarefaction (negative low-pressure wave) that's reflected back up the pipe. On a standard header the negative wave occurs at the primary tube's ...

This is how noise-canceling headphones work—they produce a sound wave that resembles the wave responsible for the unwanted sound, but with the original phases of rarefaction and compression flipped.