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2. Hospital Sisters Health System - Wikipedia

   en.wikipedia.org/wiki/Hospital_Sisters_Health_System

   Website. hshs.org. Hospital Sisters Health System, or HSHS, is a non-profit healthcare system headquartered in Springfield, Illinois. HSHS operates a network of 15 hospitals and other healthcare facilities throughout the midwestern U.S. states of Illinois, and Wisconsin. HSHS also operates St. John's College, the oldest Catholic hospital based ...

3. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   A halogen lamp (also called tungsten halogen, quartz-halogen, and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as iodine or bromine. The combination of the halogen gas and the tungsten ...

4. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   A metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides [1] [2] (compounds of metals with bromine or iodine ). It is a type of high-intensity discharge (HID) gas discharge lamp. [1] Developed in the 1960s, they are similar to mercury vapor lamps, [1] but ...

5. Software expert: 'All indications' HSHS outage was ... - AOL

   www.aol.com/lifestyle/software-expert...

   A statement released by HSHS Monday said that MyChart communication, which helps patients schedule, manage, and check in for appointments; message care teams; pay bills; get test results and after ...

6. List of light sources - Wikipedia

   en.wikipedia.org/wiki/List_of_light_sources

   This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

7. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   High-intensity discharge lamps are a type of arc lamp . Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by ...