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Show HN: Signet – Autonomous wildfire tracking from satellit / 显示HN ： Signet –通过卫星和天气数据进行自主野火跟踪

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📰 2026-03-15 21:00 更新 🔸 Show HN: Signet – Autonomous wildfire tracking from satellite and weather data / 显示HN ： Signet –通过卫星和天气数据进行自主野火跟踪 🔗 Show HN: Signet – Autonomous wildfire tracking from satellite and weather data 🔥 10 points 原文: Signet monitors satellite heat detections for fire activity near your area. Get alerted when fire activity … Read more

$96 3D-printed rocket that recalculates its mid-air trajecto / $ 96 3D打印火箭，使用$ 5传感器重新计算其空中轨迹

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📰 2026-03-15 19:30 更新 🔸 $96 3D-printed rocket that recalculates its mid-air trajectory using a $5 sensor / $ 96 3D打印火箭，使用$ 5传感器重新计算其空中轨迹 🔗 $96 3D-printed rocket that recalculates its mid-air trajectory using a $5 sensor 🔥 30 points 原文: MANPADS Rocket & Launcher Prototype 30 Second Overview Full System Overview (5 minutes) https://www.youtube.com/watch?v=DDO2EvXyncE&t=54s Full Development … Read more

A Visual Introduction to Machine Learning / A Visual Introduction to Machine Learning

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📰 2026-03-15 19:00 更新 🔸 A Visual Introduction to Machine Learning / A Visual Introduction to Machine Learning 🔗 A Visual Introduction to Machine Learning 🔥 7 points 原文: Finding better boundaries Let’s revisit the 240-ft elevation boundary proposed previously to see how we can improve upon our intuition. Clearly, this requires a different perspective. … Read more

The Appalling Stupidity of Spotify’s AI DJ / Spotify的AI DJ的骇人听闻的愚蠢

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📰 2026-03-15 17:30 更新 🔸 The Appalling Stupidity of Spotify’s AI DJ / Spotify的AI DJ的骇人听闻的愚蠢 🔗 The Appalling Stupidity of Spotify’s AI DJ 🔥 19 points 原文: Am I naïve in expecting Artificial Intelligence to be smart? Is my interpretation of the word “intelligence” too literal? And when an AI behaves stupidly, who’s to blame? … Read more

Why Mathematica does not simplify sinh(arccosh(x)) / 为什么Mathematica不简化sinh (arccosh (x))

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📰 2026-03-15 15:30 更新 🔸 Why Mathematica does not simplify sinh(arccosh(x)) / 为什么Mathematica不简化sinh (arccosh (x)) 🔗 Why Mathematica does not simplify sinh(arccosh(x)) 🔥 17 points 原文: I’ve written several posts about applying trig functions to inverse trig functions. I intended to write two posts, one about the three basic trig functions and one about their … Read more

Rack-Mount Hydroponics / 机架式水培

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📰 2026-03-15 13:30 更新 🔸 Rack-Mount Hydroponics / 机架式水培 🔗 Rack-Mount Hydroponics 🔥 33 points 原文: rack-mount hydroponics early 2026 i started growing lettuce in a spare server cabinet. this is, for many reasons, a terrible idea. here’s how i did it. backstory 译文: 2026年初，我开始在备用服务器机柜中种植生菜。出于多种原因，这是一个糟糕的主意。以下是我是如何做到的。背景故事 自动更新 · 正文抓取 · 双语翻译

Mathematics Distillation Challenge – Equational Theories / 数学蒸馏挑战–方程理论

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📰 2026-03-15 12:30 更新 🔸 Mathematics Distillation Challenge – Equational Theories / 数学蒸馏挑战–方程理论 🔗 Mathematics Distillation Challenge – Equational Theories 🔥 27 points 原文: Mathematical research traditionally involves a small number of professional mathematicians working closely on difficult problems. However, I have long believed that there is a complementary way to do mathematics, in which … Read more