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Glass Shards

All articles tagged with #glass shards

science-and-technology2 years ago

Ancient Roman Discoveries Reveal Extraordinary Properties and Nanotechnology Wonders

Fragments of ancient Roman glass vessels unearthed at archaeological sites have been found to possess photonic crystals, nanostructures that produce unique optical effects. The molecular structure of these glass shards rearranges over thousands of years, resulting in the formation of photonic crystals. The crystals are believed to have grown on the glass surface due to exposure to environmental conditions and changes in pH and groundwater. The unique atomic and material properties of these glass shards could potentially be replicated and accelerated in the lab, offering new ways of growing optical materials.

earth-science2 years ago

Ancient Volcanic Glass Shards Discovered 3000 Miles from Antarctica

Glass shards from an ancient volcanic eruption in New Zealand's Taupō volcano have been discovered buried beneath 280 meters of Antarctic ice, approximately 3,000 miles away. The shards, along with a seventh shard from an earlier eruption, provide a unique "double fingerprint" of the Taupō volcano as the source. The findings help confirm the timing of the explosive event, which occurred around 230 CE. The discovery validates previous age estimates of tree logs buried by the eruption and offers insights into the volcano's potential global effects on the atmosphere and climate.