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.
Most films of this period were what came to be called chase films. The first use of animation in movies was in 1899. The first feature length multi-reel film was a 1906 Australian production. The first successful permanent theatre showing only films was The Nickelodeon in Pittsburgh in 1905.