Physicians and repair engineers often use small light pens for visual examination Spurposes. Rugged and expensive as these pens may be, their weak point is the bulb, which is a ‘serviceable’ part. In ...

KEMP, Texas, Oct. 31, 2012 /PRNewswire/ — The LEDLB-8E-IR LED Light Bar from Larson Electronics' Magnalight.com is a powerful yet compact infrared LED light that offers operators in covert ...

Sometimes the simplest of projects end up revealing the most interesting of things, as for example is the case with [Ryo Mukai]’s light pen for the Vectrex console. It’s an extremely simple device ...