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In May Chess.com "quietly launched" a free educational poker site named Gambit, reports The Verge, where players can learn the game and improve an Elo-like rating without risking real money. And next Chess.com will expand into more classic games, including go, backgammon, and mahjong: Like Gambit, Chess.com is developing Elo-style rating systems for these games, as well. [Chess.com's chief growth officer, Albert Cheng] didn't say when the new sites will launch but that "development is moving quite rapidly" on them, using the same playbook he used for Gambit... He and one other employee took Gambit from prototype to launch within a year, partly with help from AI, mainly for coding tasks. "I think the biggest advantage that it's provided is essentially being able to read our existing codebase and our design system and apply consistent patterns to how we develop Chess.com over to a different platform and do so quickly," Cheng said.... "Just because code is easier to write doesn't mean that you just let it run on its own, but it certainly is a superpower in getting things off the ground." Cheng also said the version of Gambit that's live at the time of writing has "zero or close to zero" AI-created assets, which were used in early prototypes. According to Cheng, without help from AI, getting another site up and running would have required a bigger team or "would have been a lot more disruptive to the status quo of building and growing Chess." Now that a "small, scrappy" team can get a new platform off the ground much faster, it's opened the door for Chess.com to dip into more games, starting with poker. The poker site already has 75,000 members, according to a blog post Friday — and they've already played nearly 20 million hands and completed 100,000 lessons. The site is now holding a daily poker tournament, and on Monday will broadcast the event with live commentary on their Twitch and YouTube channels.

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ScienceDaily reports: A microchip about the size of a grain of rice can generate a highly organized "rainbow" of light, a capability that could eventually support faster, higher-capacity 6G communications and extremely precise timing for quantum technologies. Physicists at Loughborough University, working with an international research team, demonstrated a system that produces a series of precisely spaced light frequencies. Those optical frequencies can then be converted into multiple high-frequency electromagnetic signals known as millimeter waves. Millimeter waves are attracting growing interest for future communications because they can provide considerably more bandwidth, giving networks more room to transmit data. A major obstacle, however, has been producing these signals with the precision and stability required for advanced applications... "They could ultimately contribute to faster, higher capacity 6G networks," [said Dr. Luke Peters, of Loughborough University's Emergent Photonics Research Centre], "but the potential goes far beyond communications. These frequencies could also be used in radar systems as well as spectroscopy and astronomical instruments, helping scientists study materials and make extremely precise measurements of the universe. "These applications are still some way off, and there are challenges to overcome before the technology can be used in real-world systems — but our latest work has tackled a major one..." A microcomb generates an extremely precise set of light frequencies arranged somewhat like the colors in a rainbow, although the light itself is invisible to the human eye. A specialized antenna can then convert those optical frequencies into millimeter waves. Earlier research demonstrated that microcombs could produce a single precise millimeter wave frequency. Generating many frequencies simultaneously could be far more useful because each could potentially serve as a separate channel for transmitting information at the same time. Achieving that, however, requires a microcomb with exceptional stability and signal quality. In a new Nature Communications paper, the Loughborough led researchers report a system capable of doing exactly that. Their system connects its chip-based microresonator to a much larger loop of optical fiber where laser light continuously travels through both parts of the system, according to the article. "The team is now investigating how the microcomb system could eventually move from a laboratory experiment into practical technology."

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