They are parasitic, roving bits of genetic material wrapped in membrane-piercing proteins.

FORBES: The Golden Age of Antiviral Drugs

The membrane is made from optically clear material that allows for totally new, invisible speaker designs.

ENGADGET: Emo Labs becomes ClearView Audio, assures product unveiling at CES 2013

It is the process of moving water from an area with a low concentration of dissolved material, such as salt, to a place with a high concentration, by passing through a membrane.

FORBES: Getting Power From Salty Water