Tag Archives: architecture

Led Lighting Expo

Interview with the elements of music producer Cube: LED light show Chinese
Company Shanghai Museum and the Museum Day LED activity lights, and other important occasions Music are the people of Beijing Military Region Song and Dance Ensemble of the composer at the country level, famous musician Liu Tong him surgeons. He says: [...]

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Hi Light Lighting

Vishay’s New Mid-Range IR Sensors Feature Digital or Analog Output With Industry-Best Response Time of 300 …
30 Meter Range When Designed as an Interrupter Sensor, 3 Meter Range as a Reflective Sensor
Foil Hi-lights [part 1 of 3]

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Outdoor Wall Light

can anyone tell me how to remove cover of outdoor Wall Light so i can replace bulb?

Well there should be a small screw somewhere holding the glass on, or maybe the cover itself is threaded and unscrews….no idea, there are several makes with several different solutions.
Outdoor Lighting Guide

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Lamp Light District

What light bulbs will be discontinued in the next one to two years in the U.S. because of the green push.?

I work for a school district and wanted to know if any one might have an idea of what light bulbs might be discontinued in the next two years. We have many old light fixtures [...]

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Remains Lighting

why do speed of light remains constant no matter what speed are we travelling? is it only experimental?

is there any logic
how did einstein prove it
why relative velocity concept apply here
what do we mean by our mass increases and become infinite as we approach speed of light
is our mass not constant??
it is why do relative velocity [...]

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