Technology
Tools, architecture and the technical decisions behind what we publish, without a shallow rewrite of a press release.
15 published postsPosts in Technology
Corte de geração e baterias: a conta refeita com dados do ONS
A conta do corte eólico e solar de janeiro a abril de 2026 a partir de dados abertos do ONS: 8.233.089,7 MWh, 2.858,7 MW médios e 17,17% da referência.
Brazil's AI bottleneck is not GPUs. It is the queue on the basic transmission grid
Data-center connection requests and access opinions on the national grid: how to read the EPE, ONS and press numbers without treating a queue as installed capacity.
Three “flying cars” in five days: what each announcement actually proved
Tesla, Eve and Archer filled the news in the same week. What each one proved, and what is still missing before a passenger can board.
Embalo: a technical case of an app for a driver's real profit
A PWA in JavaScript plus Supabase: about 25 thousand lines, Free/Pro/Max plans, and the timezone, voice and proof bugs that became rules in Embalo.
Technology is speeding up: how to keep up without getting lost
AI advances, shifting skills and no time to learn: what the research shows, and how to choose what deserves attention.
ZapOrca: a technical case of a quote-and-Pix MVP
7.5 thousand lines, 131 tests and no server: how ZapOrca builds a quote and a Pix payment on the phone, the bugs that became rules, and what the MVP still does not prove.
GradUP: a technical case of an LMS with a shuffled exam
Spring Boot, about 32 thousand lines and ExamSortition: what “do not repeat” means inside one attempt, and what still repeats across attempts.
A tag archive with one post: the page Google would rather not index
A topic archive with one or two posts is a thin page. Why it stays out of the index with noindex in Astro, and what to check in the sitemap.
AI's electric wall: why data centers want nuclear plants
Why the advance of AI models ran into the power grid, and why technology giants signed contracts with nuclear plants.
TOPS and NPU: how to read the AI label on a chip without falling for the marketing
What TOPS and NPUs mean in phones and PCs, how brands measure that number at reduced precision, and what runs on the device versus in the cloud.
94% fewer serious crashes: how to read the number
Waymo measures its own safety and publishes the raw data. Four questions turn that percentage into a number you can compare.
Does your file get uploaded? How to check before you use the tool
PDF sites promise to process everything in the browser. This is the two-minute Network-tab check, applied to a case that was actually measured.
WebP is not enough: how to serve the right image in Astro
WebP can shrink the file, but it does not choose the width. In this case, srcset and sizes brought the home LCP back to the target without degrading the art.
Measuring without cookies: why this blog has no consent banner
Cloudflare Web Analytics uses neither cookies nor fingerprinting. You can measure without a consent banner. Here is what you gain and what you give up.
A custom domain on Cloudflare Pages: the real go-live checklist
A real record: attaching fluxonar.com.br to Pages, the www redirect, analytics without a token and Search Console, including the traps the docs do not mention.