Every surgeon needs a properly equipped operating room to perform surgery with precision and effectiveness. One of the most important equipment in an operating room, other than surgical tools, is the ...

Find a downloadable version of this story in pdf format at the end of the story. With the rising costs of energy and increasing governmental requirements for high efficiency lighting, the high ...

In LEDs heat and high currents hasten the dimming process which can lead to unreliable operation in LED-powered optocouplers. Some simple and straight-forward analysis will keep their light shining ...