On this day in Black history: Malcolm X assassination, electric resistor patent and more
On this day in Black history, February 21: — In 1961, inventor Otis Boykin patented the electric resistor, which enabled the regulation of electrical current within a circuit and aided in the development of today’s technology, such as televisions and smartphones. Boykin is also responsible for the 1964 creation of a control unit for pacemakers, a small…










