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.
In the late 1880âs various people began experimenting with photo, blending them together to give the illusion of a motion picture. But the technology and difficulty to capture that sort of video made motion pictures rare. Even so, here are a couple of the very first movies: The Horse In Motion (1878)