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.
The first feature film was The World, The Flesh And The Devil in 1914. Technicolor was created in 1917 and was a perfected system of making color movies. The Wizard of Oz was the first movie to come out with this perfect system. Color film was invented around the 60's though.