Hard things, drawn simple. Tech explained for brains that work differently.https://www.abedis.net/https://www.abedis.net/posts/golden-hour-light-different/https://www.abedis.net/posts/golden-hour-light-different/Golden hour isn't softer because clouds or haze are diffusing it — the clear sky itself does that job, by forcing sunlight through up to 38 times more air on its way to you.Sat, 15 Aug 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/exposure-triangle-explained/https://www.abedis.net/posts/exposure-triangle-explained/Push any one setting in the exposure triangle too far chasing a win, and it quietly breaks something else — including, past a certain point, the very thing you were trying to fix.Fri, 14 Aug 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/espresso-vs-pour-over-physics/https://www.abedis.net/posts/espresso-vs-pour-over-physics/Nine bars of pressure crammed into half a minute pulls the same percentage of flavor out of coffee grounds as four unhurried minutes of gravity — pressure and patience just take different roads to the same finish line.Wed, 12 Aug 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/load-balancers-bouncer-at-the-club/https://www.abedis.net/posts/load-balancers-bouncer-at-the-club/Fifty servers stand behind an online store on its busiest day of the year — and one simple job keeps all fifty of them from turning into one very overwhelmed server.Tue, 11 Aug 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/iron-condors-explained/https://www.abedis.net/posts/iron-condors-explained/Iron condors pay you upfront for betting a stock goes nowhere, and the trade genuinely wins most of the time — the catch is the payoff is so lopsided that one loss can erase five wins.Sat, 08 Aug 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/temperature-top-p-tuning-creativity/https://www.abedis.net/posts/temperature-top-p-tuning-creativity/Temperature and top-p are the two dials that control how 'creative' an AI's word choices are — and turning temperature all the way down doesn't make the model safer, it makes it repeat itself forever.Wed, 05 Aug 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/mechanical-keyboard-switches-explained/https://www.abedis.net/posts/mechanical-keyboard-switches-explained/The switch inside your 'gaming' keyboard was engineered in 1984 to stop cashiers from fat-fingering the register — here's how it actually works, and why the calmest switch on the market became the loudest marketing story.Tue, 04 Aug 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/dns-internets-phone-book/https://www.abedis.net/posts/dns-internets-phone-book/Every website lookup on Earth ultimately traces back to just 13 root servers — a limit set by a 1980s data-packet size rule that nobody ever bothered to change.Mon, 03 Aug 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/slippage-the-tax-nobody-mentions/https://www.abedis.net/posts/slippage-the-tax-nobody-mentions/Slippage is the gap between the price you expected and the price you actually got — small enough to ignore on any single trade, and large enough to turn a winning strategy into a loser over a year of them.Sun, 02 Aug 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/vector-embeddings-librarian-card-catalog/https://www.abedis.net/posts/vector-embeddings-librarian-card-catalog/Vector embeddings turn meaning into coordinates you can measure — which is powerful, until you mix coordinates from two different systems and the AI hands you confident garbage without ever saying so.Sat, 01 Aug 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/coffee-names-decoded/https://www.abedis.net/posts/coffee-names-decoded/Macchiato, cappuccino, latte — the same words mean completely different drinks depending on where you order, because coffee never agreed on what any of them actually mean.Sun, 26 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/usb-cable-conspiracy/https://www.abedis.net/posts/usb-cable-conspiracy/A tiny chip hidden inside your USB-C cable tells your charger what the cable can safely handle — and on cheap cables, that chip is built to lie.Sat, 25 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/what-makes-paintings-expensive/https://www.abedis.net/posts/what-makes-paintings-expensive/Salvator Mundi sold for $450.3 million, more than any painting in history, and has sat unseen ever since — because the museum that tested it won't fully vouch for it.Fri, 24 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/wifi-router-tiny-linux-server/https://www.abedis.net/posts/wifi-router-tiny-linux-server/The box blinking in your closet isn't a dumb appliance — it's a full Linux computer, running the same kernel family as a data center server, just squeezed into 8 megabytes.Thu, 23 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/bw-street-photography/https://www.abedis.net/posts/bw-street-photography/Vivian Maier photographed strangers on the street for 40 years and never showed a single print to another human being — then the world found her work in a storage unit and called her a genius.Wed, 22 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/ci-cd-anatomy/https://www.abedis.net/posts/ci-cd-anatomy/"CI/CD" has become a word teams say to sound modern, but the data shows almost nobody has actually finished building it.Tue, 21 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/kelly-criterion/https://www.abedis.net/posts/kelly-criterion/There's a formula that computes the mathematically perfect bet size for any real edge — and following it exactly is exactly what wipes traders out, which is why almost nobody actually uses it at full strength.Mon, 20 Jul 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/multi-agent-ai/https://www.abedis.net/posts/multi-agent-ai/Multi-agent AI systems can burn fifteen times the tokens of a single agent and still perform up to 70% worse at step-by-step reasoning — the extra agents only pay off when there's a real bottleneck a lone AI can't clear.Sun, 19 Jul 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/coffee-taste-at-altitude/https://www.abedis.net/posts/coffee-taste-at-altitude/The higher you go, the cooler water boils — and that one fact quietly ruins your favorite coffee recipe unless you know what to do about it.Sat, 18 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/service-mesh-no-buzzwords/https://www.abedis.net/posts/service-mesh-no-buzzwords/Service mesh hit its most credible milestone yet in 2025 — and teams walked away from it in droves, because the real cost was never running it, it was debugging it at 2am.Fri, 17 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/backtesting-lies/https://www.abedis.net/posts/backtesting-lies/Backtests can make a doomed strategy look bulletproof — the same illusion that sank a hedge fund run by Nobel laureates in 1998 is quietly baked into most trading systems today.Thu, 16 Jul 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/rag-vs-fine-tuning/https://www.abedis.net/posts/rag-vs-fine-tuning/Two ways to teach an AI your facts — one hands it a reference book, the other tries to rewrite its brain, and only one of them risks making it dumber.Wed, 15 Jul 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/film-photography-rules-on-phone/https://www.abedis.net/posts/film-photography-rules-on-phone/Phone camera specs list an aperture number that's technically true and practically meaningless — a sensor 36 times smaller than a full-frame camera can't produce the same depth of field, no matter what the spec sheet claims.Mon, 13 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/configmaps-vs-secrets/https://www.abedis.net/posts/configmaps-vs-secrets/Kubernetes Secrets aren't encrypted by default — they're just base64-encoded, which anyone can reverse in one line — and that gap has already cost real companies millions.Sun, 12 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/vwap-explained/https://www.abedis.net/posts/vwap-explained/VWAP was invented in 1984 to grade one pension fund's trades, and today it quietly bends around $8.7 billion of stock trading every single day.Sat, 11 Jul 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/why-ai-agents-forget-context-windows/https://www.abedis.net/posts/why-ai-agents-forget-context-windows/AI context windows are sold in one big number, but a huge chunk of that space works worse than advertised — and the AI never tells you when it's quietly losing the plot.Fri, 10 Jul 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/fujifilm-film-simulations-explained/https://www.abedis.net/posts/fujifilm-film-simulations-explained/Fujifilm engineers its most famous camera colors to be scientifically wrong, because 'wrong' is what a blue sky actually looks like in your memory.Wed, 08 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/pod-that-lied-liveness-readiness/https://www.abedis.net/posts/pod-that-lied-liveness-readiness/Kubernetes uses two separate health checks that sound like the same thing, and mixing them up can turn a small outage into a total one.Tue, 07 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/options-vs-futures-theta-trap/https://www.abedis.net/posts/options-vs-futures-theta-trap/Options bleed value every single day just because the calendar keeps turning — and the closer to expiration, the faster the bleeding, whether or not the price ever moves.Mon, 06 Jul 2026 00:00:00 GMTTradinghttps://www.abedis.net/posts/prompt-engineering-vs-asking-nicely/https://www.abedis.net/posts/prompt-engineering-vs-asking-nicely/Telling an AI to think step by step lifts its accuracy far more than any amount of politeness does — a real study shows structure beats tone by a landslide.Sun, 05 Jul 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/mechanical-vs-quartz-vs-automatic/https://www.abedis.net/posts/mechanical-vs-quartz-vs-automatic/A drugstore quartz watch beats a $5,000 mechanical watch at the one job a watch has — and that failure is exactly what the mechanical watch is selling.Sat, 04 Jul 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/docker-vs-kubernetes/https://www.abedis.net/posts/docker-vs-kubernetes/One packs your app into a box. The other runs thousands of those boxes without losing its mind. Here's the difference, in plain English.Fri, 03 Jul 2026 00:00:00 GMTTechhttps://www.abedis.net/posts/claude-sonnet-5/https://www.abedis.net/posts/claude-sonnet-5/Anthropic's new mid-tier AI model, Claude Sonnet 5, outscored its own flagship on a real benchmark — while costing less than half as much.Thu, 02 Jul 2026 00:00:00 GMTAIhttps://www.abedis.net/posts/automatic-watch/https://www.abedis.net/posts/automatic-watch/An automatic watch has no battery and no chip. It runs entirely on physics. Here's why people are still obsessed with them in the age of the smartwatch.Tue, 30 Jun 2026 00:00:00 GMTTinkeringhttps://www.abedis.net/posts/sql-vs-nosql/https://www.abedis.net/posts/sql-vs-nosql/Two ways to store data, two very different assumptions about the world. Here's how to tell them apart in plain English.Tue, 30 Jun 2026 00:00:00 GMTTech