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.
Though there are a number of contenders for making the 1st  ever Movie which includes legends like Thomas Alva  Edison who had created the Kinetoscope in  1895 and the Lumi â¦ ere Bros who in 1895 has  been credited of making the 1st movie camera and film.