app.photoweather.app
Show HN: I built a weather alert system for photographershttps://app.photoweather.app/demo/live-demoI kept missing the good stuff (fog, aurora, beautiful sunsets) because I wasn't checking forecasts at the right time, so I built PhotoWeather...You define rules like: `aurora_quality > 60 AND cloud_cover < 20% AND moon_below_horizon` `fog_prob > 70% AND within 30min of sunrise AND wind < 5 mph`When a rule matches, you get an email and/or an iCal event. The iCal feed is the part I am maybe most proud of: subscribe once and upcoming "shoot windows" show up in your calendar.One example that made me sure this wasn't just a toy: last October it alerted "clear skies + no moon + strong aurora" and I drove to a nearby high spot in Helsinki. Ended up catching aurora and Comet C/2025 A6 (Lemmon) in one frame: https://reddit.com/r/Finland/comments/1obc5nz/Not my best photo ever, but probably the most unique and memorable, and I'll continue to remember my real-life "photoweather actually works" moment through it.A few things that differentiates this from your average weather app:Spatial sampling AJan 1, 2026 12:54 PM
spacedaily.com
Time-expanded network model cuts complexity in mega constellation launch planninghttps://www.spacedaily.com/reports/Time_expanded_network_model_cuts_complexity_in_mega_constellation_launch_planning_999.htmlTokyo, Japan (SPX) Dec 30, 2025 Large Low Earth Orbit (LEO) constellations promise continuous, high-capacity information services, but planners must work within limits set by launch cadence, payload capacity, and orbital mechanics to deploy satellites in batches at reasonable cost. Researchers Junru Lin, Tiantian Zhang, and Min Hu at Space Engineering University in Beijing have developed an optimization framework that keeps deDec 30, 2025 7:17 AM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d0f3b20947a8aa122157f8dbf548&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d427a81d46c6b79c1ce05c12113e&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d5dbfb724b0b80ad1387e83469bb&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d645665a4a1eb8fbac91d92da339&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d647d96f48e287cb08869c76f408&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d1eea32d45beb7b90af49d61fafa&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85c8f7c9a54a649abef055b7c4fb73&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cfbca3cc42ad8d5fce7830798181&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85eb457ba3493e9a64bb4c8f825755&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cd34d3a94dafaeedb2fb419f4393&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cd9c3718440ebd2dceaaa5b9cb6a&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85eb47ad7442a68f114357d8e5798c&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cd9e68804715b118e627c62cb941&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85ceca383f42098be9924320962ab7&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85e8b082bf4181b06b42d57ff302d1&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cfbe04ff4b85a15daeeac6ee8bca&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85d1751d3645078095319bbf4a1f35&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
bing.com
The Rise Of Fake Casio Scientific Calculatorshttp://www.bing.com/news/apiclick.aspx&aid=&tid=6a85cf4563d64f28b61c18cfca30a8ab&url=https%3a%2f%2fhackaday.com%2f2025%2f12%2f29%2fthe-rise-of-fake-casio-scientific-calculators%2f&c=9133086857701251088&mkt=en-usScientific calculators are an amazing invention that take pocket calculators from being merely basic arithmetic machines to being pocket computers that can handle everything from statistics to algebra ...Dec 29, 2025 5:20 PM
