Polaroid (polarizer) Polaroid (polarizer) Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use. The original material, patented in 1929 and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulphate (herapathite) embedded in a transparent nitrocellulose polymer film. The needle-like crystals are aligned during manufacture of the film by stretching or by applying electric or magnetic fields. With the crystals aligned, the sheet is dichroic: it tends to absorb light which is polarized parallel to
Polaroid Corporation 32 GB of memory via a micro SD card. In September 2014 Polaroid introduced a $99 action camera named the "Polaroid Cube", marketed as an alternative to cameras such as the GoPro Hero (which retails for $129), specifically for casual, light users of action camcorders. In 2015 GoPro released the similar GoPro HERO4 Session. In March 2006, the specialist design and development department in Polaroid's Vale of Leven plant in Scotland was bought out by its management team. Known as Wideblue the company specializes in helping small technology based companies develop products and manufacturing processes. In 2014 Wideblue were hired