[{"date":"10 March, 2025","subtitle":"Charting thru iNaturalist.org waters with d3.js","tags":"datavis citizen science whales Hawaii","title":"Hawaiian migrations (whale data)","url":"/posts/datavis-whale-migration/"},{"date":"21 January, 2025","subtitle":"Impressing with lite premium lenses, moderate DOF \u0026 20(+)MP @3.35µm pixel pitch","tags":"MFT awards macro photography","title":"Micro Four Thirds (MFT) Awards","url":"/posts/mft-awards/"},{"date":"12 January, 2025","subtitle":"Metropolitan habitats in Singapore","tags":"Singapore video macro dives","title":"Pulau Hantu (2025 Jan 11)","url":"/posts/dives/pulau-hantu-20250111/"},{"date":"10 December, 2024","subtitle":"Smaller subjects → smaller lenses?","tags":"MFT lenses macro photography","title":"MFT Macro Lenses","url":"/posts/mft-macro-lenses/"},{"date":"4 December, 2024","subtitle":"Highlights from our workshop in Tulamben, Bali","tags":"workshop photography Indonesia","title":"Ocean Canvas 2024","url":"/posts/ocean-canvas-2024/"},{"date":"30 September, 2024","subtitle":"UI/UX for mobile","tags":"biodiversity citizen science maps tools","title":"iNaturalist Map Explorer","url":"/posts/inaturalist-map-explorer/"},{"date":"5 September, 2024","subtitle":"Notes on the summer \"peak season\"","tags":"visibility phytoplankton citizen science datavis","title":"Visibility in the Pacific Northwest","url":"/posts/pnw-late-summer-vis/"},{"date":"24 August, 2024","subtitle":"Thanks to NOAA","tags":"maps bathymetry software tools","title":"Topo maps for divers","url":"/posts/topo-maps-for-divers/"},{"date":"20 August, 2024","subtitle":"sbadil q̓aƛ̕əb? (On a flood)","tags":"dives DPV rebreather shore diving","title":"Flagpole Point","url":"/posts/dives/flagpole-point-2024-08-19/"},{"date":"12 August, 2024","subtitle":"The archetypal PNW DPV dive?","tags":"dives DPV rebreather rockfish shore diving","title":"Northwest Island","url":"/posts/dives/northwest-island-2024-08-11/"},{"date":"29 May, 2024","subtitle":"and its relation to 'Martini's Law'","tags":"nitrox narcosis DCS MOD","title":"Using oxygen as an 'inert gas'","url":"/posts/nitrox/"},{"date":"28 May, 2024","subtitle":"Visualizing slack times for quick reference","tags":"tools tides planning","title":"Slacks widget","url":"/tools/slacks/"},{"date":"28 May, 2024","subtitle":"\u003cp\u003eThe \u003cspan style=\"background-color: #bbd\"\u003e\u003cstrong\u003e\u003cfont color=\"#F00\"\u003eU\u003c/font\u003e\u003cfont color=\"#fff\"\u003eS\u003c/font\u003e\u003cfont color=\"#00f\"\u003eA\u003c/font\u003e\u003c/strong\u003e\u003c/span\u003e has the curious distinction of being effectively the only nation in the world that has declined to move on from the old \u003cstrong\u003eEnglish imperial system\u003c/strong\u003e of measures. Many divers in Canada also seem to like using PSI and even feet. This is of course totally fine, and natural for anyone who grew up (or certified) using these measures. However\u0026hellip;\u003c/p\u003e\n\u003cp\u003e\u003cimg src=\"/posts/metric-system-for-scuba/metric_vs_imperial.png\" alt=\"simple\"\u003e\u003c/p\u003e\n\u003cp\u003eThe \u0026lsquo;imperial\u0026rsquo; system is infamous for units with seemingly random numbers (12? 16? \u003ca class=\"markup-link\" href=\"https://www.youtube.com/watch?v=JYqfVE-fykk\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e5280\u003csvg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 24 24\" width=\"10\" height=\"10\" fill=\"currentColor\" style=\"display: inline-block; vertical-align: baseline; position: relative; top: -0.2em; margin-left: -0em\"\u003e\n      \u003cpath fill=\"none\" d=\"M0 0h24v24H0z\"/\u003e\n      \u003cpath d=\"M19 19H5V5h7V3H5c-1.11 0-2 .9-2 2v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2v-7h-2v7zM14 3v2h3.59l-9.83 9.83 1.41 1.41L19 6.41V10h2V3h-7z\"/\u003e\n    \u003c/svg\u003e\u003c/a\u003e?) and \u003cstrong\u003eunits that don\u0026rsquo;t really mix\u003c/strong\u003e between different physical dimensions.\u003c/p\u003e","tags":"metric system","title":"The metric system (for diving)","url":"/posts/metric-system-for-scuba/"},{"date":"19 May, 2024","subtitle":"Our favorite go-to oasis of protected local biodiversity","tags":"marine protections shore diving biodiversity tidal currents video","title":"Keystone Opening May","url":"/posts/keystone-jetty-opening-may/"},{"date":"19 May, 2024","subtitle":"\u003cp\u003eOut of interest in the properties of mixed gases, I made \u003ca class=\"markup-link\" href=\"https://docs.google.com/spreadsheets/d/1y1T7qe8IQMKSt6qElqrWm0n7kC-xy7gNBpIf-gYw-iA/copy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ethis\u003csvg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 24 24\" width=\"10\" height=\"10\" fill=\"currentColor\" style=\"display: inline-block; vertical-align: baseline; position: relative; top: -0.2em; margin-left: -0em\"\u003e\n      \u003cpath fill=\"none\" d=\"M0 0h24v24H0z\"/\u003e\n      \u003cpath d=\"M19 19H5V5h7V3H5c-1.11 0-2 .9-2 2v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2v-7h-2v7zM14 3v2h3.59l-9.83 9.83 1.41 1.41L19 6.41V10h2V3h-7z\"/\u003e\n    \u003c/svg\u003e\u003c/a\u003e homebaked gas calculation tool, written completely in Google Sheets from basic mathematical formulae. This is actually pretty simple maths, like pre-algebra level. I made no consideration of non-ideal gases.\u003c/p\u003e","tags":"tools calculator trimix gas blending","title":"DIY Gas Calculator","url":"/tools/gascalc/"},{"date":"19 May, 2024","subtitle":"'When social media has gone too far'","tags":"","title":"New Website","url":"/posts/new-website/"},{"date":"1 January, 0001","subtitle":"\u003cdiv class=\"about-short\"\u003e\n\n        \u003cdiv class=\"socials\"\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"https://inaturalist.org/observations?user_id=ajustinfocus\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"ai ai-inaturalist fa-stack-1x fa-inverse\" title=\"inaturalist\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"https://mastodon.world/@justinthedeeps\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"fab fa-mastodon fa-stack-1x fa-inverse\" title=\"mastodon\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"/index.xml\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"fas fa-rss fa-stack-1x fa-inverse\" title=\"rss\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"https://youtube.com/@justinthedeeps\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"fab fa-youtube fa-stack-1x fa-inverse\" title=\"youtube\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"https://facebook.com/justinthedeeps\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"fab fa-facebook fa-stack-1x fa-inverse\" title=\"facebook\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n          \u003cdiv class=\"social\"\u003e\n            \u003ca rel=\"me\" href=\"https://www.instagram.com/justinthedeeps\" target=\"_blank\"\u003e\n              \u003cspan class=\"fa-stack fa-lg\"\u003e\n                \u003ci class=\"fa fa-circle fa-stack-2x\"\u003e\u003c/i\u003e\n                \u003ci class=\"fab fa-instagram fa-stack-1x fa-inverse\" title=\"instagram\"\u003e\u003c/i\u003e\n              \u003c/span\u003e\n            \u003c/a\u003e\n          \u003c/div\u003e\n        \u003c/div\u003e\n  \u003ci class=\"fa-solid fa-envelope\"\u003e\u003c/i\u003e\u003cspan id=\"addr\" class=\"addr\"\u003e\u003cnoscript\u003eGmail: justinthedeeps\u003c/noscript\u003e\u003c/span\u003e\u003cscript type=\"module\"\u003emakeAddr();\u003c/script\u003e\u003c/p\u003e\n  \u003cimg class=\"sidebar-avatar\" src=\"/img/JustinDecoFlip.jpg\" /\u003e\n\n\u003c/div\u003e\n\n\u003cdiv class=\"inat-widget\"\u003e\n  \u003cdiv class='inatheader'\u003e\u003ca target=\"_blank\" href=\"https://www.inaturalist.org/\"\u003eiNaturalist.org\u003c/a\u003e Observations:\u003c/div\u003e\n  \u003cdiv class='inatheader'\u003e\u003ca href=\"https://www.inaturalist.org/observations?order_by=votes\u0026user_id=ajustinfocus\"\u003ePopular:\u003c/a\u003e\u003c/div\u003e\n  \u003cdiv id=\"inat_top\"\u003e\u003c/div\u003e\n  \u003cscript type=\"module\"\u003e\n    inatwidget(\"ajustinfocus\", \"inat_top\", true,\"85493,47534,47490,47113,47178,48222,130868,152871,47549,47459,49784,47273,372843\" );\n  \u003c/script\u003e\n  \u003cdiv class='inatheader'\u003e\u003ca href=\"https://www.inaturalist.org/observations?user_id=ajustinfocus\"\u003eRecent:\u003c/a\u003e\u003c/div\u003e\n  \u003cdiv id=\"inat\"\u003e\u003c/div\u003e\n  \u003cscript type=\"module\"\u003e\n    inatwidget(\"ajustinfocus\", \"inat\", false,\"85493,47534,47490,47113,47178,48222,130868,152871,47549,47459,49784,47273,372843\" );\n  \u003c/script\u003e\n  \u003cspan class='inatfooter'\u003eSee more and join in on\u0026nbsp;\u003ca target=\"_blank\" href=\"https://inaturalist.org/\"\u003eiNaturalist.org\u003c/a\u003e\u003c/span\u003e\n\u003c/div\u003e","tags":"","title":"About","url":"/about/"}]