Science & Innovation
The Verneuil Process: How the First Lab Made Ru...
The Verneuil process, announced by French chemist Auguste Verneuil in 1902, melts pure alumina powder in a hydrogen and oxygen flame to grow synthetic ruby and sapphire. Here is how...
The Verneuil Process: How the First Lab Made Ru...
The Verneuil process, announced by French chemist Auguste Verneuil in 1902, melts pure alumina powder in a hydrogen and oxygen flame to grow synthetic ruby and sapphire. Here is how...
The Oldest Gold Jewelry in the World: What the ...
The oldest worked gold yet found comes from the Varna necropolis in Bulgaria, dated to roughly 4,600 to 4,200 BC: more than 3,000 gold objects, including rings, bracelets and beads....
The Oldest Gold Jewelry in the World: What the ...
The oldest worked gold yet found comes from the Varna necropolis in Bulgaria, dated to roughly 4,600 to 4,200 BC: more than 3,000 gold objects, including rings, bracelets and beads....
How Big Can a Lab Grown Diamond Get? The 200 mm...
On November 6, 2026, Diamond Foundry announced a 200 mm single crystal diamond, the size of a standard silicon wafer, aimed at chips and cooling rather than jewelry. Here is...
How Big Can a Lab Grown Diamond Get? The 200 mm...
On November 6, 2026, Diamond Foundry announced a 200 mm single crystal diamond, the size of a standard silicon wafer, aimed at chips and cooling rather than jewelry. Here is...
Is Gold Magnetic? The Physics of Diamagnetism a...
Gold is not magnetic: it is diamagnetic and very weakly repelled by magnets. Here is why the magnet test can catch some fakes but never prove real gold, explained for...
Is Gold Magnetic? The Physics of Diamagnetism a...
Gold is not magnetic: it is diamagnetic and very weakly repelled by magnets. Here is why the magnet test can catch some fakes but never prove real gold, explained for...
Laser Welding in Jewelry: How a Beam of Light J...
Laser welding fuses gold with short, focused pulses of infrared light, so the metal melts in a tiny spot while the rest of the piece stays relatively cool. A clear...
Laser Welding in Jewelry: How a Beam of Light J...
Laser welding fuses gold with short, focused pulses of infrared light, so the metal melts in a tiny spot while the rest of the piece stays relatively cool. A clear...
Biomimicry Explained: What Lotus Leaves, Geckos...
Biomimicry is design that learns from nature, from Velcro to self-cleaning surfaces, and it shapes organic jewelry too, for readers from Malibu to Tel Aviv who love nature and science.
Biomimicry Explained: What Lotus Leaves, Geckos...
Biomimicry is design that learns from nature, from Velcro to self-cleaning surfaces, and it shapes organic jewelry too, for readers from Malibu to Tel Aviv who love nature and science.