Figure 1. Mexican fire opal is clear enough to be faceted, and ranges from colorless to dark red. Photo by Kevin Schumacher. Emil Weis Opals (Idar-Oberstein, Germany) opened its doors in 1905, making ...

Pumpkin with carved symbol of thumbs up, reminiscent of digital 'like' icon. Suddenly, fire flash inside and sparks fly out of pumpkin, followed by thick red smoke flying out from inside lantern. This ...

这项创新使用了Q-CTRL的Fire Opal性能优化平台，在IBM的量子硬件上解决了实际调度问题，创下了迄今为止解决的最大约束量子优化问题的新纪录。 在这项项目中，Q-CTRL的量子优化工具针对伦敦桥车站的26列列车进行了精准调度，优化过程持续了18分钟，涉及到的 ...

The term 'Black Opal' refers to the background or body colour of the stone, which ranges from dark grey to jet black. This contrast intensifies the opal's inherent fire, causing the colours to appear ...

Dogs, which require to be walked, do not have spaces provided close-by. Marina Opal Tower has smoke detectors throughout the property. There is an advanced sprinkler system that stretches across the ...

Set with 137 beads of Mexican fire opal that are affixed to the case by tiny 18-karat gold pins, the 36.5-millimeter yellow gold watch boasts a matte glass-blasted finish and is complemented by an ...

Northwest communities around the Lightning Ridge opal fields are now better protected from bushfires following the Minns Labor Government’s completion of more than $1.35 million in fire trail upgrades ...

One of the most beloved destinations in Oregon looks a lot different following the blowup of the Beachie Creek Fire. Large swaths of the 34,000-acre Opal Creek Wilderness and Recreation Area ...