Quezon City.  As schools get ready for next week’s Brigada Eskwela cleanup, repair and maintenance activities, the ...

DeSantis. The orange lights can provide the same intensity of illumination as the mercury-vapor lights currently in use in Naperville, but will use only half as much electricity. DeSantis said in ...

Mercury vapor released from broken compact fluorescent light bulbs can exceed safe exposure levels for humans, study finds Date: July 6, 2011 Source: Mary Ann Liebert, Inc., Publishers Summary ...

But municipal governments enthusiastic about energy-saving lighting have generally ignored the implications of color temperature. Now that mercury- vapor lights are being phased out be- cause of ...

Several dozen lights are being replaced at the center of town in Downers Grove. Crews are switching out nearly 70 mercury vapor lights near the parking lot and walkways at village hall and the ...

Laptop computers, LCD TVs and compact fluorescent light bulbs are all safe as long as they're intact, but if they crack or shatter, they can release toxic mercury vapor. See the graphic above for ...

The exact hue depends on the mercury vapor pressure and usually contains a fair amount of ultraviolet light. These tubes have an interesting history dating back to 1901, the year [Peter Cooper ...

The Hartford Electric Light Co. has been using a mercury-vapor turbine to run its generators since 1923. That turbine was shut down while last week a second was prepared for operation. William Le ...