A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electron and hole charge carriers. In contrast, unipolar transistors, such as field-effect transistors, only use one kind of charge carrier.
Google Map of 2017 Total Eclipse in Nebraska. Google Map of 2017 Total Eclipse in Nebraska. (Click to use interactive map) The map above links to an interactive Google map showing the visibility of the Total Solar Eclipse of 2017 Aug 21 in Nebraska.
This eclipse will be the first total solar eclipse to be visible in Mexico since the solar eclipse of July 11, 1991. The path of this eclipse crosses the path of the prior total solar eclipse of August 21, 2017, with the intersection of the two paths being in southern Illinois in Makanda just south of Carbondale.