Learn how to install a smart motorized pergola with rotating louvers and built-in LED lighting using simple tools. A beginner-friendly, budget-conscious project that brings modern style and comfort to ...

Abstract: This study investigates the harmonic emissions, photometric performance, and techno-economic implications of retrofitting T8 fluorescent tubes with LED alternatives under various ballast ...

When the power cuts out, you need light that comes on instantly and predictably, not a scramble for flashlights and a maze of extension cords. The safest approach is to design backup lighting into the ...

Abstract: A periodic dielectric meta-surface output window was cold and hot tested to extend the operating bandwidth and suppress the parasitic oscillations for a W-band wideband TE 01 mode gyrotron ...