How many DIYers does it take to change a light bulb? Wait, before you answer, we left a word out. How many DIYers does it take to change a light bulb... underwater? The reason this is such a challenge ...

We tested 20 solar generators to find the most versatile devices that can provide emergency backup power and fuel off-grid ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

You’ve probably seen Lichtenberg figures before, those lightning-like traces left by high-voltage discharge. The safe way to create them is using an electron beam to embed charge inside an acrylic ...

Abstract: Unidirectional isolated dc converters are employed in the large-scale PV dc collection systems to connect subfields with the medium-voltage dc (MVdc) grid. As the dc grid voltage in PV ...

Abstract: Single-stage boost-LLC ac–dc converters are popularly utilized as the front-end stage of multichannel LED street-lighting drivers. Pulse frequency modulation (PFM) strategy with a duty cycle ...