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.
As for the Great American Eclipse of August 2017, it will begin in the northwestern United States as the shadow of the moon falls on Oregon and makes its way southeast across Idaho, Wyoming, Nebraska, Kansas, Missouri, Illinois, Kentucky, Tennessee, Georgia and the Carolinas.