When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Aviation obstruction lighting - Wikipedia

   en.wikipedia.org/wiki/Aviation_obstruction_lighting

   A high-intensity white strobe is used on structures that are taller than 700 feet (210 meters). These lights provide the highest visibility both day and night. Unlike a medium strobe, a high-intensity strobe does not provide 360° coverage; this requires the use of at least 3 high strobes at each level.

3. 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 ...

4. Xenon arc lamp - Wikipedia

   en.wikipedia.org/wiki/Xenon_arc_lamp

   A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure. It produces a bright white light to simulate sunlight , with applications in movie projectors in theaters , in searchlights , and for specialized uses in industry and research.

5. Gas-discharge lamp - Wikipedia

   en.wikipedia.org/wiki/Gas-discharge_lamp

   A high-intensity discharge (HID) lamp is a type of electrical lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. Compared to other lamp types, relatively high arc power exists for the arc length.

6. Arc lamp - Wikipedia

   en.wikipedia.org/wiki/Arc_lamp

   The common fluorescent lamp is a low-pressure mercury arc lamp. [3] The xenon arc lamp, which produces a high intensity white light, is now used in many of the applications which formerly used the carbon arc, such as movie projectors and searchlights.

7. Savings interest rates today: Reset your savings goals with ...

   www.aol.com/finance/savings-interest-rates-today...

   The best high-yield savings accounts require no minimum balances to earn high rates of interest. Variable APY. APYs can be fixed or variable , depending on the type of deposit account.