The visible light there is from the UV emitter now looks cyan, while the IR beam that normally isn't visible at all looks the way the UV emitter's visible beam does to the naked eye. This tends to happen because the RGB filter arrays used in consumer digital cameras are only designed to filter visible light.
An elected leader is chosen by a vote of the public, while an appointed leader is selected by another leader or a body of officials without the public directly participating. Both types of leaders have been important in American history, particularly in how they exercise their authority.
DEFINITION of 'Incumbent'. An individual that is responsible for a specific office within a corporation or government position. This person has an obligation to the position or office he/she holds. All incumbents of an organization, such as directors and officers, are listed on an incumbency certificate. This is an official or regime currently holding office or a post. For example, in politics, The incumbent governor was defeated in the elections..