The design for this LED ring lamp started off as a cross-section sketch. [Alex Jalland] envisioned a core that holds the parts and hides the circuitry, with two halves of a clear doughnut diffusing ...

LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

Large and weighty lightboxes were once the preserve of die-hard darkroom enthusiasts and professional photographers during the analog film era, used to identify, review, and catalog images displayed ...

There’s no doubting the popularity of Nixie tubes these days. They lend a retro flair to modern builds and pop up in everything from clocks to weather stations. But they’re not without their problems ...