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.
Did you know in 1982, M&M's Chocolate Candies rocket into space, and have been a part of the shuttle missions ever since? Here's some more M&M history: M&M's Candies were first introduced in 1941 with tube shaped packaging to American GIs serving in WWII. In 1948, the M&M's packaging changed to the classic brown bag we know today. In 1950, the very first M was imprinted on on the candies in black, starting the ever so famous trademark.