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 machine patented in the United States that showed animated pictures or movies was a device called the wheel of life or zoopraxiscope.. Patented in 1867 by William Lincoln, moving drawings or photographs could be viewed through a slit in the zoopraxiscope. However, this was a far cry from motion pictures as we know them today.