Add Yahoo as a preferred source to see more of our stories on Google. More than a century after their invention, tungsten filaments—the coiled metal wires at the heart of many incandescent light bulbs ...

The 1300 watt unit uses two 650 watt bulbs which can be switched independently on or off. Plus additional options to switch between full 1300 watt power or proportional modelling lamp. The new Halogen ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

BIRNS Inc., designer and manufacturer of lights for the nuclear power industry, introduced enhancements to the popular BIRNS Kelvin—a 16,000-lumen tungsten halogen light that features a 120 volt/1,000 ...

Each of the three basic types of light sources — incandescent, fluorescent, and HID — has its own particular applications and advantages. The proper selection of a lamp type will ultimately depend on ...