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Petabit-class transmission over > 1000 km using standard 19-core optical fiber

news.ycombinator.com Unknown 2025-07-25 22:06:20

An international research team led by the Photonic Network Laboratory at the National Institute of Information and Communications Technology (NICT, President: TOKUDA Hideyuki Ph.D.), and including Sumitomo Electric Industries, Ltd. (Sumitomo Electric, President: INOUE Osamu) have set a new world record in optical fiber communications, achieving data transmission at 1.02 petabits per second over a distance of 1,808 kilometers (roughly equivalent to the distance from Sapporo to Fukuoka, from Misso

Topics: communication distance fiber optical transmission
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PR is your scaling power: Learn from Insight Partners’ Nikki Parker at TechCrunch All Stage

techcrunch.com Techcrunch Events 2025-08-06 22:15:00

PR and marketing are more than just press releases — they’re powerful tools for attracting investors, customers, and top talent. At TechCrunch All Stage on July 15, Nikki Parker, EVP of Marketing and Communications at global software investor Insight Partners, will break down the essential PR and marketing strategies every startup needs. From crafting compelling narratives and positioning your company for growth and fundraising to building a brand that stands out in a crowded market, this round

Topics: communications marketing parker pr stage
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Jack Dorsey just released a Bluetooth messaging app that doesn't need the internet

engadget.com Unknown 2025-08-10 18:10:23

Jack Dorsey just released a decentralized, peer-to-peer messaging app that functions entirely over Bluetooth networks, as reported by CNBC . It's called Bitchat and doesn't need the internet to work, as there are no central servers. The Twitter co-founder calls it an experiment in "Bluetooth mesh networks, relays and store and forward models, message encryption models and a few other things.” It works by enabling encrypted communication between nearby gadgets. Basically, it sends messages direc

Topics: app bitchat communication device jack
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