Category: Turning Points

• Blameless postmortems shift focus from who failed to what the system allowed. • Roots in aviation and safety science (Reason, Dekker); tech popularized via Google SRE. • Value: faster recovery, better design, higher trust; risks: performative rituals without follow‑through. • Add action tracking, owner, due dates, and review loops.

• Tetraethyllead (TEL) added in 1920s to stop engine knock; mass neurotoxin. • Catalytic converters (1970s) and regulation drove phase‑outs; U.S. ban for on‑road gas by 1996; global near‑elimination by 2021. • Outcomes: lower blood lead, crime‑rate correlations, cleaner air; future focuses on legacy soils, aviation gas, and battery recycling. 🌍

“Free as in Certs”: How Let’s Encrypt Made HTTPS the Default For years, small sites treated HTTPS as optional—expensive certificates, manual renewals, and mysterious CSR rituals kept it rare. Then Let’s Encrypt launched public beta in 2015 and scaled in 2016 with the ACME protocol: automated, free TLS certificates on cron‑like schedules. Within a few years, web telemetry flipped: more than half of page loads […]

January 1, 1983: The Flag Day That Built the Internet At midnight on January 1, 1983, engineers did something rare: they coordinated a global protocol flip. The ARPANET, stitched together by experimental protocols like NCP, adopted TCP/IP in a planned cutover dubbed Flag Day. It was the moment many historians mark as the Internet’s birth (see History of the Internet, Transmission Control Protocol). 🌐🚩

One ordinary morning, I walked up to the mirror and for a moment I paused. I didn’t recognise the person staring back at me. It wasn’t that I had changed physically — I looked the same, wore the same clothes, lived the same life. But internally, I had shifted. Something fundamental had snapped into place. I was no longer the same person.This article explores that […]

The Day UTF‑8 Ate the Web: How One Encoding Won and Why You Should Care If you’ve ever seen mojibake—garbled text like ’ and ç—you’ve met the ghosts of competing encodings. The quiet revolution that exorcised them was UTF‑8, a clever way to encode Unicode that made ASCII‑era systems and global scripts coexist (see UTF‑8, Unicode). 🌐

Containerization: The Box That Shrunk the World Picture a map crowded with ports. Now overlay it with straight lines—ships to rails to trucks—snapping at perfect right angles. What coordinates that choreography is a rectangular box with corner castings, agreed dimensions, and standardized locks. That box—the intermodal container—reduced touches, reduced theft, and reduced time, and in doing so reduced the world. 🚢📦