There are several reported routes of transmission of the rabies virus. Rabies is most often transmitted through a bite from an infected animal. Less frequently, it can be passed on when the saliva of an infected animal enters another animalâs body through mucous membranes or an open, fresh wound.
Eli Whitney invented a cotton gin. It was an improvement on the roller gins of the time in that it separated seeds from fibers faster and more easily. But his greater achievement was, arguably, the development of interchangeable parts.
Document Description: This obituary for Eli Whitney praised the mechanical ingennuity of the man largely credited with inventing the cotton gin. Even after Eli Whitney patented his machine, there were other mechanics and inventors that made their own versions of the gin. Whitney never became rich from his invention.