Precision and accuracy are completely different concepts. Let's explore what they really mean, and how to tell the difference. 1  Resolution is the fineness to which an instrument can be read.  Precision is the fineness to which an instrument can be read repeatably and reliably.
1980s & 90s-High Performance Plastics. 1980 - First production of linear low density polyethylene. 1980 - First Blue HDPE pressure pipes for potable water introduced into UK. 1982 - First artificial heart made mainly of polyurethane, introduced implanted in a human.
Bubble Wrap Beginnings. Sealed Air was founded by U.S. engineer Alfred W. Fielding and Swiss inventor Marc A. Chavannes, the two men who gave the world Bubble Wrap. The product, first developed in 1957, was initially created in response to a client's request for a new type of plastic wallpaper.