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.
  Well, the first person to make a dramatic film that ran over 60 minutes is The Story of The Kelly Gang. This movie is considered the first full length film ever made â¦ and it was directed and written by Charles Tait. 15 people found this useful.