technology
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Learn data-center reliability engineering: availability, MTBF, MTTR, failure domains, FMEA, preventive maintenance, MOP/SOP/EOP, change control, root cause analysis, and corrective action.
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OSEmojicode.001 introduces the Emojicode programming language, showing how emoji tokens represent familiar ideas such as an entry point, blocks, output, strings, and typed program structure.
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OSETC.031 explains HART communication over 4–20 mA loops, FSK signaling, field communicators, device data, loop connections, and basic HART troubleshooting.
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Goodfire is deploying activation-based AI security monitors that inspect a model’s internal signals in real time, aiming to catch reward hacking and cyber misuse before an agent acts.
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OSEEC.016 teaches power factor correction engineering: kVAR sizing, capacitor banks, automatic steps, overcorrection, harmonics, detuned reactors, and commissioning measurements.
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OSITC.003 teaches Windows process troubleshooting with Task Manager, PIDs, CPU and memory sorting, tasklist, safe process termination, and Sysinternals Process Explorer.
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Windows Command #36 explains sc stop: stopping Windows services, STOP_PENDING vs STOPPED, service names, sc.exe in PowerShell, verification, and safe troubleshooting.
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Linux Command #47 explains newgrp: switching the current group in a shell, newgrp -, verifying with id, file group ownership, membership rules, and safe troubleshooting.
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From a no-children agreement and a bathrobe interrogation to five hours of unpaid labor, salary mockery, interviewers laughing, and a candidate blamed after a car crash: 10 of the most disrespectful job interviews people have shared online, ranked.
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Evri and Refined Robotics are testing Iris, a two-legged autonomous delivery robot built to carry parcels, climb stairs and handle uneven residential terrain in Barnsley, England.
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OSNTC.019 explains Spanning Tree Protocol: Layer 2 loops, broadcast storms, root bridge election, BPDUs, path cost, port roles, RSTP, and basic switch verification.
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How can you tell when a job interview actually went badly? Real candidates describe the moments they knew, the signals that mattered, and the times they were completely wrong.
