The iPhone democratized photography and disrupted the video and camera industry. Now a new product that plugs into the iPhone’s Lightning port aims to replace an important photographer’s tool — the ...

When someone mentions calibration, engineers probably think of voltage, frequency, and other fundamental electrical measurements. Light measurements may not come to mind unless these engineers work ...

Since the mid 1980s, employees at the Florida Power & Light Co. (FPL) had been using portable, temporary power quality meters to help customers identify problems in their facilities. These meters cost ...