Boulder opal is a distinct variety of precious opal that forms within the cavities, seams, or fissures of ironstone boulders (or occasionally sandstone), primarily in Queensland, Australia. Unlike solid opals, which can be separated from their host rock, boulder opals remain permanently attached to their natural iron-rich matrix—typically a reddish to brown sedimentary rock. This unique structure creates a striking visual contrast between the opal’s vibrant play-of-color and the earthy hu...| Geology In
One of the finest independent craftsmen working in French Art Nouveau was actually Belgian. With his delicate florals and scary Medusas, Philippe Wolfers was a master of that era's mystical, sensuous jewelry. The post Art Nouveau treasure by Philippe Wolfers coming to America first appeared on the jewelry loupe.| the jewelry loupe
Hi folks, A couple weeks ago the new closure implementation I co-designed and co-implemented with Eliot Miranda has reached the …Continue reading →| Clément Béra
VIDEO: Bankstown Station Upgrade (Transport Vlog) Sydney’s public transport network was traditionally a point to point network focussed on the Sydney CBD and a few other major activity centres. The…| Transport Sydney
Here at OzLabs, we have an unfortunate habit of making our shiny Power computers very sad, which is a common problem in systems programming and kernel hacking. When this happens, we like having logs. In particular, we like to have the kernel log and the OPAL firmware log, which are, very surprisingly, rather helpful when debugging kernel and firmware issues.| sthbrx.github.io