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
The Man Who Invented Christmas (film) The Man Who Invented Christmas (film) The Man Who Invented Christmas is a 2017 biographical drama film directed by Bharat Nalluri and written by Susan Coyne based on the book of the same name by Les Standiford. It stars Dan Stevens, Christopher Plummer, and Jonathan Pryce. The plot follows Charles Dickens (Stevens) at the time when he wrote "A Christmas Carol", and how Dickens' fictional character Ebenezer Scrooge (Plummer) was influenced by his real-life father, John Dickens (Pryce). It was released by Bleecker Street in the United States on 22 November 2017 and in the United Kingdom on 1 December