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What are some artificial sources of light?
TV, street lights, House lights, computer screen
Are metal halide street lights an environmentally friendly option?
Yes many people believe that metal halide street lights are environment friendly. Here are some sites about these lights. www.fairfaxcounty.gov news releases 2009 , enduraliteled.ca/municipal
Do any counties in Ireland not have a motorway?
New motorways are still being built, so there would still be some counties that do not have motorways. They still would have very good roads though. Motorways are needed where the largest amount of traffic, so they are closest to the big cities and running between them. Some parts of Ireland have small populations and so don't really need motorways.
What are some ex. of light energy?
sun,lamps,street lights and many more
What alkali metal is used in street lights?
Sodium (chem symbol = Na) Mercury vapor is also used in street lights. Low pressure sodium vapor street lights are amber/yellow in color, high pressure sodium lights are white and mercury vapor lights glow blueish white.
When was Waterloo street Plymouth built?
It was built some time in history but i dont know when
What are some street names for anorexia?
i dont knoe if they're considered "street names" but some people call Anorexia "Ana" and also call Bulimia "Mia".
What are some famous inventions form 1949?
45 rpm record automatic street lights polaroid camera
Are there different shapes in traffic lights colors of some jurisdiction?
i dont know thats why im asking you
How many people walk under street lights then they turn off or on?
It varies depending on the specific location and time of day. Some street lights are equipped with sensors that detect movement, causing them to turn on or off when someone walks underneath. The number of people observed walking under street lights could be influenced by factors such as weather, time of day, and the purpose of the area.
Why do street lights go out when you walk by?
Street lights may appear to go out when you walk by due to a phenomenon known as the "street light interference effect." This effect occurs randomly and is not well understood. Some theories suggest that the electromagnetic field generated by the human body could interfere with the electrical systems in the street lights, causing them to momentarily flicker or go out.
Where can I get more information online about metal halide street lights?
Yes you can get more information on line about metal halide lights at the following sites. Here are some sites you can look at www.eskimo.com/~jrterry/lampspage.html
