Servant Leaders are not always perfect, but 1  . . . They stay true to their leadership style (what works for them). 2  They stay humble by turning the organizational chart upside down and serving others. 3  They communicate the goals and values that form their culture.
Photocell definition, a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc. See more.
Photoelectric cell. Photoelectric cell, also called Electric Eye, Photocell, or Phototube, an electron tube with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted electrons. Various cathode materials are sensitive to specific spectral regions, such as ultraviolet, infrared, or visible light.