"During World War II, the British dressed a dead body in a Royal Marines uniform and planted letters saying the Allies were ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer. This easy step-by-step tutorial guides you through crafting a homemade ...

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 ...

Gaggione is highlighting adjustable beam optics for its Sirius range of LED optics. The zoom function is to allow switching between narrow and wide light distributions. For Sirius, there are two ...

"During World War II, the British dressed a dead body in a Royal Marines uniform and planted letters saying the Allies were ...

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Seasonal decor is easy to pull off with Dollar Tree DIYs. Grab a few frames and seasonal items, and you can quickly whip up a light-up display for any occasion.

Abstract: A new type of high-efficiency small angle ultraviolet packaging device is designed in this paper to address the issue that the efficiency of medium pressure mercury lamp ultraviolet ...

Abstract: We demonstrate optical wireless data communications using arrays of far-UVC LEDs emitting at 235 nm. Micro-pixelation of the LED active area is shown to enhance the modulation bandwidth by a ...