A nested set is a smart way to implement an ordered tree that allows for fast, non-recursive queries. For example, you can fetch all descendants of a node in a single query, no matter how deep the ...

Researchers have demonstrated that consumer-grade 3D printers and inexpensive materials can produce advanced optical components capable of super-resolution imaging. Each custom lens costs less than $1 ...

Researchers have shown that consumer-grade 3D printers and low-cost materials can be used to produce multi-element optical components that enable super-resolution imaging, with each lens costing less ...

Standard Chartered projects $8 XRP by 2026 based on sustained ETF inflows and RLUSD adoption. XRP ETFs absorbed $1.3B in 50 days with zero net outflows since November 2025 launch. Exchange-held XRP ...

This mod reskins the items, structures, equipment, and technologies added to Factorio by Bob's Mods, adding tier coloring and labels. Care has been taken to emulate and align with Factorio's vanilla ...

XRPL tokenized assets grew from $24.7M to $567.9M in 2025 but still trails Ethereum’s tens of billions. Ripple’s RLUSD stablecoin reached $1.3B market cap and became the third-largest U.S.-regulated ...

XRP hit a 52-week high of $3.65 in mid-2025, but still finished the year trading near $2. New spot XRP ETFs launched in November, paving the way for institutional investors to gain exposure to XRP.

Rebecca Strom shows ciLiving host, Jaclyn Friedlander how to make DIY stamps. Want to add a personal touch to your notebooks, cards, or crafts? In this video, I’ll show you how to make your own DIY ...