1 Myelin is an insulating material that, when itâs worn away or damaged, decreases nerve function. Damage to myelin is called demyelination.  There are different types of demyelination. These include inflammatory demyelination and viral demyelination.
1888 â Roundhay Garden Scene. The worldâs earliest surviving motion-picture film, showing actual consectuve action is called Roundhay Garden Scene. Itâs a short film directed by French inventor Louis Le Prince. While itâs just 2.11 seconds long, it is technically a movie.
1 1914 â The World, the Flesh and the Devil, made in Kinemacolor, is the first dramatic feature film in color released. 2  1922 â Kodak makes 35 mm panchromatic motion picture film available as a regular stock.  1923 â The 16 mm amateur motion picture format is introduced by Kodak.