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2. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

3. Light-emitting diode physics - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode_physics

   The wavelength of the light emitted is a function of the band gap of the semiconductor material used; materials such as gallium arsenide, and others, with various trace doping elements, are used to produce different colors of light. Another type of LED uses a quantum dot which can have its properties and wavelength adjusted by its size. Light ...

4. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   Sealed beam PAR lamp. When the lamp burns out or breaks, the whole assembly must be replaced. A PAR lamp consists of a light source, with lens and a parabolic reflector with a smooth aluminium surface determining the spread of the beam. The most common sealed beam type combines these three elements into an integral unit.

5. Multifaceted reflector - Wikipedia

   en.wikipedia.org/wiki/Multifaceted_reflector

   Left to right: MR16 with GU10 base, MR16 with GU5.3 base, MR11 with GU4 or GZ4 base Line drawing of an LED MR16 lamp, with a heatsink rather than a reflector. A multifaceted reflector (often abbreviated MR) light bulb is a reflector housing format for halogen as well as some LED and fluorescent lamps.

6. After Missing Woman Is Found in 'Makeshift Tomb,' Boyfriend ...

   www.aol.com/missing-woman-found-makeshift-tomb...

   This, she says, led her to report her daughter missing to police on Jan. 14, Fox 5 DC reports. “Alexis will be deeply missed, and there is a void in our family,” Derrick Felder, the victim’s ...

7. Officer Who Arrested ‘Dating Game Killer’ Says This 1 Thing ...

   www.aol.com/officer-arrested-dating-game-killer...

   The breadcrumb trail that led to the serial killer's capture can be traced back to the June 1979 disappearance of one of his victims, 8-year-old Robin Samsoe. Investigators had Bridget Wilvurt ...