Abstract: In holography, the resolution of the hologram significantly impacts both display size and angle-of-view, yet achieving high-resolution holograms presents formidable challenges, whether in ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.

A clever design and impressive performance make this one of the best portable projectors.

Discover five innovative and eco-friendly ways to repurpose plastic bottles in this step-by-step DIY video. Learn how to make a smartphone hologram projector, creative egg holders using bottle caps, a ...

Abstract: Reconfigurable holographic surfaces (RHSs) have been suggested as an energy-efficient solution for extremely large-scale arrays. By controlling the amplitude of RHS elements, high-gain ...