Archive: 11/2/2009

Teeth grinding linked to sleep apnea

There is a high prevalence of nocturnal teeth grinding, or bruxism, in patients with obstructive sleep apnea (OSA), particularly in Caucasians. New research presented at CHEST 2009, the 75th annual international scientific ...

Nov 02, 2009 not rated yet 0

Flipping a photonic shock wave

A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...

Nov 02, 2009 4.2 / 5 (5) 1