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 Porn Movie Ever Made Was in 1896. The worldâs first porn movie ever made was a seven minute French film in which a woman performs a striptease in the bathroom, gets bathed, and then gets dressed again. The movie was called âLe Coucher de la MariÃ©e.â That same year a film of a belly dancer was released on a kinetoscope.