What Is Posterior Vitreous Detachment? Posterior vitreous detachment (PVD) is an eye condition that naturally happens with age, when gel that usually fills your eyeball detaches from your retina.
A remarkable synergy of musical and visual storytelling enlivens Seattle Opera’s current production of “The Magic Flute,” running through March 9. Initially created in 2012 by Australian ...
Abstract: Sputter deposition, also known as physical vapor deposition, or PVD, is a widely used technique for depositing thin metal layers on semiconductor wafers. These layers are used as diffusion ...