العلوم والبيئة
Technician cracks 1,600-year-old mystery to replicate color-changing effect of Roman glass masterpiece
المصدر: Phys.org - latest science and technology news stories · نُشر
The Lycurgus Cup, a world-renowned 4th-century A.D. artifact housed in the British Museum, is constructed of "dichroic" glass that shifts from jade green in reflected light to ruby red in transmitted light. This means that depending on where the light source is positioned, observ
The Lycurgus Cup, a world-renowned 4th-century A.D. artifact housed in the British Museum, is constructed of "dichroic" glass that shifts from jade green in reflected light to ruby red in transmitted light. This means that depending on where the light source is positioned, observers can see the cup displayed in two distinctive, contrasting colors.
أخبار ذات صلة
Light, camera … razor blades?! How photography became an art form – in pictures
A new exhibition – which the Guardian gave five stars – tells the story of the birth of art photography. Here are some of the most astounding images, along with tales of the strange techniques that made them Continue reading...
Culture | The Guardian ·
New converter could bridge light wavelength gap in quantum communications
Quantum networks, systems that connect devices using quantum mechanical effects, could potentially allow users to share information more securely and efficiently. Building these networks typically entails linking stationary qubits, units of quantum information encoded in trapped
Phys.org - latest science and technology news stories ·
Liverpool 'optimistic' over Wirtz injury recovery
Liverpool boss Andoni Iraola has said he is "optimistic" Florian Wirtz will be fit to feature in Wednesday's Carabao Cup clash with Chelsea.
espn.com ·
How teams cheat, the Rodman Rule, USWNT World Cup odds and more
ESPN's NWSL GM survey returns to dish on the USWNT's World Cup chances, the Rodman rule, rule-breaking, how much they spend, and more.
espn.com ·
Sculpture recreates odd optical effects of famed Lycurgus Cup
Dating back to around 400 CE and made of dichroic glass, the Lycurgus Cup is notable for exhibiting different colors depending on the light. (It gets its name from the scene depicted on its surface, of King Lycurgus of Thrace.) Light it from the front, and the cup looks green; li
Ars Technica - All content ·