Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

18-year-old electrical engineer student, Chris Rieger, has been working on his levitating light bulb project — fittingly referred to as the “LevLight Project” — for about six months now. Recently he ...

Electrical components, like motors close motorA device which spins when current flows through it. Motors are used in fans, food processors and many other devices. and lamps close lampA component which ...

.. The intention was good: Maryland power companies would help customers save electricity by providing discounted or free energy-efficient light bulbs. But consumers have discovered they’re paying for ...