Science Behind Photo Projection Jewellery

A Gemologist’s Guide to Optics, Material Science & The Engineering of Memory

A Gemologist’s Guide to Optics, Material Scienc...

PhilU Australia

Photo projection jewellery functions as a fixed-focus optical system using a plano-convex lens (typically 5A Cubic Zirconia) to magnify a micro-lithographed image. Quality is determined by the gemstone's refractive index...

A Gemologist’s Guide to Optics, Material Scienc...

PhilU Australia

Photo projection jewellery functions as a fixed-focus optical system using a plano-convex lens (typically 5A Cubic Zirconia) to magnify a micro-lithographed image. Quality is determined by the gemstone's refractive index...

Sterling Silver, Vermeil & Stainless Steel: Choosing the Right Base for Sensitive Skin

Sterling Silver, Vermeil & Stainless Steel: Cho...

PhilU Australia

Hypoallergenic jewellery metals are specific alloys—primarily Sterling Silver, Gold Vermeil, and 316L Stainless Steel—engineered to minimise or eliminate the release of nickel ions onto the epidermis.

Sterling Silver, Vermeil & Stainless Steel: Cho...

PhilU Australia

Hypoallergenic jewellery metals are specific alloys—primarily Sterling Silver, Gold Vermeil, and 316L Stainless Steel—engineered to minimise or eliminate the release of nickel ions onto the epidermis.

Nano Micro-Carving vs. Traditional Photo Lockets: Why "Hidden" Photos are Modern Romance

Nano Micro-Carving vs. Traditional Photo Locket...

PhilU Australia

Nano Micro-Carving is a semiconductor-derived lithography technique that uses a high-precision laser beam recorder to etch image data onto a 3mm optical wafer. Unlike traditional printing, this creates a fade-resistant,...

Nano Micro-Carving vs. Traditional Photo Locket...

PhilU Australia

Nano Micro-Carving is a semiconductor-derived lithography technique that uses a high-precision laser beam recorder to etch image data onto a 3mm optical wafer. Unlike traditional printing, this creates a fade-resistant,...

Waterproof Depth Test: Showers, Swimming, and Hot Springs Report

Waterproof Depth Test: Showers, Swimming, and H...

PhilU Australia

Projection jewellery waterproofing refers to the hermetic integrity of the optical assembly against moisture ingress. While budget film-based pendants rely on water-soluble adhesives susceptible to hydrolysis and delamination, premium projection...

Waterproof Depth Test: Showers, Swimming, and H...

PhilU Australia

Projection jewellery waterproofing refers to the hermetic integrity of the optical assembly against moisture ingress. While budget film-based pendants rely on water-soluble adhesives susceptible to hydrolysis and delamination, premium projection...

The Truth About Rose Gold: Copper Content and Anti-Oxidation Care

The Truth About Rose Gold: Copper Content and A...

PhilU Australia

Rose gold is a metal alloy created by blending pure yellow gold with copper and a small amount of silver. The pinkish-red hue is directly proportional to the copper percentage;...

The Truth About Rose Gold: Copper Content and A...

PhilU Australia

Rose gold is a metal alloy created by blending pure yellow gold with copper and a small amount of silver. The pinkish-red hue is directly proportional to the copper percentage;...

Custom Jewellery Environmental Statement: Recycled Silver and Ethical Sourcing

Custom Jewellery Environmental Statement: Recyc...

PhilU Australia

Recycled Sterling Silver is chemically identical to mined silver, consisting of 92.5% pure silver extracted from urban sources like electronics, industrial waste, and old jewellery. Through a process of high-temperature...

Custom Jewellery Environmental Statement: Recyc...

PhilU Australia

Recycled Sterling Silver is chemically identical to mined silver, consisting of 92.5% pure silver extracted from urban sources like electronics, industrial waste, and old jewellery. Through a process of high-temperature...