enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Electroluminescent display - Wikipedia

   en.wikipedia.org/wiki/Electroluminescent_display

   Electroluminescent (EL) displays have been a niche format and are rarely used nowadays. Some uses have included the Apollo Guidance Computer 7-segment numerical displays, to indicate speed and altitude at the front of the Concorde, and as floor indicators on Otis Elevators from around 1989 to 2007, [7] mostly only available to high-rise buildings and modernizations.

3. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   After a page is written to the display, the display may be cut from the power while retaining readable images. This has the advantage that such ebooks may be operated for long periods of time powered by only a small battery. High-resolution color displays, such as modern LCD computer monitors and televisions, use an active-matrix structure.

4. Crookes radiometer - Wikipedia

   en.wikipedia.org/wiki/Crookes_radiometer

   The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity.

5. The 20 best gifts for parents of all ages - AOL

   www.aol.com/lifestyle/best-gifts-parents...

   The 46 built-in LED lights have three settings: white, warm, and cold light, and the mirror also has a memory function to store the last setting used. $30 at Amazon American Lifetime

6. Digital light processing - Wikipedia

   en.wikipedia.org/wiki/Digital_Light_Processing

   Historically, the main light source used on DLP display systems has been a replaceable high-pressure xenon arc lamp unit (containing a quartz arc tube, reflector, electrical connections, and sometimes a quartz/glass shield), whereas most pico category (ultra-small) DLP projectors use high-power LEDs or lasers as a source of illumination. Since ...

7. Smartglasses - Wikipedia

   en.wikipedia.org/wiki/Smartglasses

   A curved light guide with partial-reflective segmented mirror array to out-couple the light is used by tooz technologies GmbH. [ 37 ] Virtual retinal display (VRD) – Also known as a retinal scan display (RSD) or retinal projector (RP), is a display technology that draws a raster display (like a television ) directly onto the retina of the eye ...