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October 12 · 18 min
61 Blog Posts To Learn About Electronics
This story was originally published on HackerNoon at: https://hackernoon.com/61-blog-posts-to-learn-about-electronics. Learn everything you need to know about Electronics via these 61 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #electronics, #learn, #learn-electronics, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.
October 11 · 16 min
64 Blog Posts To Learn About Digital Health
This story was originally published on HackerNoon at: https://hackernoon.com/64-blog-posts-to-learn-about-digital-health. Learn everything you need to know about Digital Health via these 64 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #digital-health, #learn, #learn-digital-health, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.
October 9 · 7 min
AI Can Remember Your Chats. Remembering Your Life Is Much Harder.
This story was originally published on HackerNoon at: https://hackernoon.com/ai-can-remember-your-chats-remembering-your-life-is-much-harder. Building useful AI memory takes more than chat history and RAG. Explore four key challenges in creating AI that understands and recalls real-world experiences. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #aritificial-intelligence, #wearable-technology, #personal-ai, #ai, #future-of-ai, #ai-architecture, #wearables, #ai-wearable, and more. This story was written by: @bocong-looki. Learn more about this writer by checking @bocong-looki's about page, and for more stories, please visit hackernoon.com. For AI to become truly useful in everyday life, it needs memory that goes beyond chat history. Building that memory means solving four key challenges: deciding what to remember, retrieving the right experience, connecting moments over time, and learning from corrections as people and circumstances change. At Looki, we’re exploring how visual evidence, supported by audio, chat, location, and other context, can create AI memory that is grounded in what actually happened—and remains understandable, verifiable, and correctable.
October 9 · 13 min
Stop Blaming AI. Start Holding Data Center Operators Accountable
This story was originally published on HackerNoon at: https://hackernoon.com/stop-blaming-ai-start-holding-data-center-operators-accountable. How voters, communities and elected representatives can shape data centre regulation and make AI infrastructure work in the public interest. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #data-centers, #environment, #elections, #technology-and-democracy, #sustainability, #ai-environmental-policy, #data-center-planning, #hackernoon-top-story, and more. This story was written by: @chribonn. Learn more about this writer by checking @chribonn's about page, and for more stories, please visit hackernoon.com. - AI's environmental and social effects are the result of political and planning decisions, not the technology itself. - Data centres should face enforceable rules covering energy, water, emissions, noise, infrastructure costs and community impact. - Planning approvals should include transparency, independent regulation, meaningful penalties and regular permit reviews. - Communities should have formal rights to information, consultation, oversight and fair economic benefits. - Elections matter because elected representatives and public bodies ultimately determine what gets approved and on what terms. - Citizens can act by checking planning applications, questioning candidates publicly and voting for representatives who support stronger safeguards.
October 8 · 25 min
Building Real-Time Speaker Diarization With JavaScript and the Web Audio API
This story was originally published on HackerNoon at: https://hackernoon.com/building-real-time-speaker-diarization-with-javascript-and-the-web-audio-api. How can drones be identified by sound? Explore acoustic fingerprints, machine learning classifiers, and the signal processing behind UAV detection. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #speaker-diarization, #acoustic-drone-detection, #drone-acoustic-fingerprint, #speaker-identification, #audio-fingerprinting, #web-audio-api, #mfcc-algorithms, #drone-sound-recognition, and more. This story was written by: @geluvac. Learn more about this writer by checking @geluvac's about page, and for more stories, please visit hackernoon.com. How can drones be identified by sound? Explore acoustic fingerprints, machine learning classifiers, and the signal processing behind UAV detection.
October 8 · 2 hr 15 min
500 Blog Posts To Learn About Chainwire
This story was originally published on HackerNoon at: https://hackernoon.com/500-blog-posts-to-learn-about-chainwire. Learn everything you need to know about Chainwire via these 500 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #chainwire, #learn, #learn-chainwire, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.
October 7 · 7 min
From Global Allowlist to RCE: Breaking Down CVE-2026-50023 in yt-dlp
This story was originally published on HackerNoon at: https://hackernoon.com/from-global-allowlist-to-rce-breaking-down-cve-2026-50023-in-yt-dlp. How a shortcut-extension exception in yt-dlp's CVE-2024-38519 fix opened the door to CVE-2026-50023, and what the follow-up bug teaches us. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #vulnerability-research, #cve-2026-50023, #yt-dlp, #remote-code-execution, #filename-sanitization, #hls-subtitles, #security-patch-bypass, #allowist-security, and more. This story was written by: @pavanchow. Learn more about this writer by checking @pavanchow's about page, and for more stories, please visit hackernoon.com. A fix for filename sanitization kept dangerous extensions on a global allowlist. I bypassed it by crafting an HLS manifest that forced yt-dlp to write a malicious .desktop file during a standard subtitle download. The patch moved the exception to the feature boundary, but a follow-up CVE proved the class was not fully closed.
October 7 · 9 min
When MPLS/SR Makes More Sense Than a Conventional VXLAN Fabric
This story was originally published on HackerNoon at: https://hackernoon.com/when-mplssr-makes-more-sense-than-a-conventional-vxlan-fabric. VXLAN-EVPN is the data center default, but MPLS/SR can still make sense for telco fabrics requiring traffic engineering, fast reroute, and low overhead. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #data-center-networking, #vxlan-evpn, #mpls, #sr-mpls, #evpn, #network-overlays, #traffic-engineering, #nfv-infrastructure, and more. This story was written by: @vijayananda. Learn more about this writer by checking @vijayananda's about page, and for more stories, please visit hackernoon.com. VXLAN-EVPN is a strong default for general-purpose data center fabrics, but MPLS/SR architectures can offer advantages in telco and NFV environments where encapsulation overhead, explicit traffic engineering, and rapid local failure recovery matter. The comparison, however, depends on the complete underlay and control-plane architecture, not simply whether packets use VXLAN or MPLS encapsulation.
October 6 · 11 min
The Swarm Is the Threat: Why Massed Drones Are Defense's Defining Problem
This story was originally published on HackerNoon at: https://hackernoon.com/the-swarm-is-the-threat-why-massed-drones-are-defenses-defining-problem. How coordinated swarm drone is going to be the next major threat in aerial warfare Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #drones, #drone-technology, #drone-swarm-technology, #swarm-intelligence, #swarm-robotics, #cyber-warfare, #drone-warfare, #war-tech, and more. This story was written by: @vishwagw. Learn more about this writer by checking @vishwagw's about page, and for more stories, please visit hackernoon.com. Drone swarms are defense's defining threat not because drones are new, but because they attack the structure of modern defense. The cost math is already broken — $20K–$50K drones against $1M–$4M interceptors, with over 1,000 Patriots spent in ten days of the 2026 Gulf conflict — but the deeper problem hits earlier in the kill chain: dense swarms overwhelm target tracking, RF-silent (fiber-optic, vision-guided) drones defeat the cheapest detection and jamming layers, and no human can triage hundreds of tracks in the seconds available. Offensively, swarms are professionalizing fast (decentralized control, inter-agent coordination, full autonomy — each engineered to beat a specific countermeasure), and they've already left the battlefield: ~144 gray-zone incursions over Europe, airport shutdowns costing millions against drones costing nothing. A swarm doesn't need to destroy anything to succeed. The winners won't be whoever builds the best interceptor — they'll be whoever solves the tracking-and-decision layer first, because that's where the swarm actually wins.
October 5 · 7 min
Muse, Instinct, Wajo, and OpenAI's Dots: Four AI Assistants That Do the Work for You
This story was originally published on HackerNoon at: https://hackernoon.com/muse-instinct-wajo-and-openais-dots-four-ai-assistants-that-do-the-work-for-you. Four well-funded products from Meta, OpenAI, and fast-growing startups now compete on completed tasks: bills lowered, contracts negotiated, tables booked. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-assistant, #muse, #wajo-ai, #instinct-ai, #dots, #future-of-ai, #future-of-work, #openai, and more. This story was written by: @hacker-Antho. Learn more about this writer by checking @hacker-Antho's about page, and for more stories, please visit hackernoon.com. Four AI assistants, Muse, Instinct, Wajo, and Dots, now take the next step in tasks, reading email, filling out forms, and negotiating, then reporting back for approval. Each assistant has its unique features, such as Wajo's ability to make phone calls and Instinct's hands-off experience.
October 5 · 10 min
Your Agent Retries Because It Can't Tell a Timeout From a Failure
This story was originally published on HackerNoon at: https://hackernoon.com/your-agent-retries-because-it-cant-tell-a-timeout-from-a-failure. A timeout is not a failure. How to stop an AI agent re-running finished work: an unknown state, a gate in the executor, and an open-source demo. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #kill-switches, #harness-engineering, #ai-agents, #site-reliability-engineering, #idempotency, #llm-reliability, #test-automation, #retry-logic, and more. This story was written by: @SaktiBagchi_o3ue0s5k. Learn more about this writer by checking @SaktiBagchi_o3ue0s5k's about page, and for more stories, please visit hackernoon.com.
October 3 · 28 min
89 Blog Posts To Learn About 2020
This story was originally published on HackerNoon at: https://hackernoon.com/89-blog-posts-to-learn-about-2020. Learn everything you need to know about 2020 via these 89 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #2020, #learn, #learn-2020, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.
October 2 · 17 min
"Documentation is Our Front Door" says Unleash Developer Advocate Alex Casalboni
This story was originally published on HackerNoon at: https://hackernoon.com/documentation-is-our-front-door-says-unleash-developer-advocate-alex-casalboni. Alex Casalboni, Head of DevRel at Unleash, on FeatureOps, agent-ready docs, measuring DevRel by pipeline and building tools developers love. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #hackernoon-interview, #feature-flags, #meet-the-developer-advocate, #documentation-is-our-frontdoor, #documentation-front-door, #documentation-door, #hackernoon-top-story, and more. This story was written by: @alex-casalboni. Learn more about this writer by checking @alex-casalboni's about page, and for more stories, please visit hackernoon.com. Alex Casalboni leads Developer Relations at Unleash, the open-source FeatureOps platform used by enterprises like Visa and Samsung. He explains how a weekend side project became a browser toolbar with nearly 10,000 weekly npm downloads, why Unleash now writes docs for AI agents as well as humans, and how the FeatureOps Manifesto set out to name a new category. He also covers why he measures DevRel by enterprise pipeline and whose work he admires most.
October 2 · 7 min
When AI Makes Things Up: The Hallucination Problem in Financial Reporting
This story was originally published on HackerNoon at: https://hackernoon.com/when-ai-makes-things-up-the-hallucination-problem-in-financial-reporting. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-hallucinations, #finance, #ai-makeup, #financial-reporting, #risks-of-hallucination, #llms, #llm-hallucination, #sec, and more. This story was written by: @vijay-sudhakar. Learn more about this writer by checking @vijay-sudhakar's about page, and for more stories, please visit hackernoon.com. Large language models are being used in financial reporting, but they often produce "hallucinations" - factually incorrect information that sounds plausible. This can lead to significant risks, including SEC enforcement and reputational harm, and requires careful deployment and oversight to mitigate.
October 1 · 4 min
Community Marketing Is Getting Harder. Useful Content Is the Way In.
This story was originally published on HackerNoon at: https://hackernoon.com/community-marketing-is-getting-harder-useful-content-is-the-way-in. Advertising is everywhere, but tech brands can stand out by creating useful content that helps audiences solve problems and builds trust before the sale. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #hack-marketing-with-hackernoon, #community-marketing, #tech-marketing, #content-marketing, #b2b-marketing, #developer-marketing, #brand-awareness, #hackernoon-top-story, and more. This story was written by: @hackmarketing. Learn more about this writer by checking @hackmarketing's about page, and for more stories, please visit hackernoon.com. As advertising spreads across more of the digital experiences people use every day, tech brands face a growing challenge: getting noticed without adding to the noise. Useful technical content gives brands a way to participate in communities, demonstrate expertise, and build familiarity with potential customers before asking for a sale.
October 1 · 4 min
South Florida's Hotel Boom Puts EV Charging Into the Parking Budget
This story was originally published on HackerNoon at: https://hackernoon.com/south-floridas-hotel-boom-puts-ev-charging-into-the-parking-budget. Miami-Dade adds 1,954 hotel rooms in 2026 as U.S. hotel parking revenue climbs 23.1%. Why hotel EV charging is now a parking budget line item in South Florida. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ev-charging, #electric-vehicles, #hospitality, #real-estate, #energy, #infrastructure, #business, #florida, and more. This story was written by: @sarahevans. Learn more about this writer by checking @sarahevans's about page, and for more stories, please visit hackernoon.com. Miami-Dade is set to add 1,954 hotel rooms in 2026, and U.S. hotel parking revenue rose 23.1% from 2019 to 2023, more than four times total hotel revenue growth, per CBRE. Level 2 EV charging fits cars that sit overnight, and Florida law lets condo owners and boards install it. For hotel operators and condo boards, charging is now a parking budget decision about dwell time, billing and uptime.
September 30 · 9 min
Meet Haviva Fiskus: Building Quiet Cost to Help SaaS Founders Find Hidden Costs
This story was originally published on HackerNoon at: https://hackernoon.com/meet-haviva-fiskus-building-quiet-cost-to-help-saas-founders-find-hidden-costs. Discover how Haviva built Quiet Cost, balancing motherhood, special needs parenting, and tech innovation while calling for real change for women in tech. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #technology, #women-in-tech, #women-in-tech-interview, #startup-interview, #women-in-technology, #startup-lessons, #women-led-startups, #startup-marketing, and more. This story was written by: @contentcraving. Learn more about this writer by checking @contentcraving's about page, and for more stories, please visit hackernoon.com. In this HackerNoon interview, B2B content marketing strategist and Quiet Cost founder Haviva shares her journey as a mother of two special-needs children overcoming unemployment and minimal support to build a SaaS diagnostic app. She addresses gender bias, AI hiring barriers, and trying to raising capital while celebrating human-centered tech leadership.
September 30 · 4 min
Your Best Partner in the Agentic Era Is One You Can't Measure
This story was originally published on HackerNoon at: https://hackernoon.com/your-best-partner-in-the-agentic-era-is-one-you-cant-measure. In the agentic era, the AI choosing your product is your most important partner, and you can't measure it. Here's what broke, and what to track instead. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #partnerships, #agentic-ai, #operations, #partnership-attribution, #ai-product-recommendations, #incrementality-measurement, #developer-tools, #ecosystem-partnerships, and more. This story was written by: @ferariassolis20. Learn more about this writer by checking @ferariassolis20's about page, and for more stories, please visit hackernoon.com. The traditional way of measuring partnerships is no longer effective in the AI-driven era, where a model's choices can't be tied back to a human partner. To succeed, companies must measure both the model's influence and the humans it still sends, using metrics like Share of Model and tracking user behavior over time.
September 29 · 53 min
How to Load and Run a Java Card Applet on Real Hardware
This story was originally published on HackerNoon at: https://hackernoon.com/how-to-load-and-run-a-java-card-applet-on-real-hardware. Build a Java Card applet on real hardware. Working commands, a complete device-key demo, and the client bugs we mistook for a locked card. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #javacard, #build-a-javacard-applet, #scp02, #smart-cards, #globalplatform, #embedded-security, #key-management, #hackernoon-top-story, and more. This story was written by: @vitaliy69. Learn more about this writer by checking @vitaliy69's about page, and for more stories, please visit hackernoon.com. Three cards, two operating systems, and a hand-rolled SCP02 stack. We build, load, and run a Java Card applet, then follow its device key through personalization, authentication, rotation, and revocation. Along the way, two apparent hardware failures turn out to be bugs in our own tools.
September 28 · 8 min
Subnet Operator - I Must Break Your Spreadsheet
This story was originally published on HackerNoon at: https://hackernoon.com/subnet-operator-i-must-break-your-spreadsheet. I do not hate your spreadsheet. Hatred is inefficient. I observe only that it is wrong, that everyone in the room knows it is wrong... Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #subnet, #subnet-operator, #vpc, #productivity-tools, #spreadsheet-tools, #automation, #aws, #hackernoon-top-story, and more. This story was written by: @ivandrago. Learn more about this writer by checking @ivandrago's about page, and for more stories, please visit hackernoon.com. The text describes a tool called the subnet operator, which automates the management of subnets and VPCs in AWS by reading tags and CloudTrail events. It eliminates the need for manual spreadsheets and provides a more accurate and up-to-date view of the network.

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