Why People Can Always Tell When AI Wrote Your Text
Young adults are letting ChatGPT draft their texts and hard conversations. Here's why it's obvious and what actually works instead.
Especificación Técnica: Ahuyentador Ultrasónico e Iluminación Estroboscópica Profesional (5V)1. Arquitectura de Alimentación y Diagrama de Voltaje (Power Tree)Para garantizar la máxima seguridad y compatibilidad global, el equipo se alimentará exclusivamente a 5V DC mediante un puerto USB Tipo-C con protección industrial integrada. Protecciones Requeridas en el Diseño de la PCB:Filtro EMI/RFI: Bobina de choque común para evitar que el ruido de la alta frecuencia ultrasónica retorne a la fuente de alimentacióón contra Inversión de Polaridad y Sobretensión: Mediante a diodo TVS (Supresor de Tensión Transitoria) de 5, Fusible (PPTC): De 1.5A para proteger el puerto USB ante e...
Design review of an industrial data-acquisition system — Stage 1 Safe Instrumentación (SFI), Bogotá, Colombia, designs modular data-acquisition hardware for geotechnical and structural instrumentation installed on bridges, hydroelectric plants and pipelines, at sites up to 4,000 m above sea level. SFI has a bench-validated four-board prototype: a main controller with cellular and sub-GHz radio, isolated RS-485 and native USB; two near-identical sensor front ends, each with its own MCU, for inclination and for a long temperature chain of up to 200 sensors on a shared bus; and a carrier board for a purchased vibrating-wire module with its own high-voltage protection chain. Part numbers are released under NDA. SFI has consolidated that work into a detailed design docume...
I have a complete controller-level Bill of Materials that includes microcontrollers, capacitors, position sensors, IPMs, N-channel MOSFETs and IGBTs. The immediate goal is to drive the overall cost down without sacrificing reliability or long-term availability. Most of the boards now work with a mix of TI, Infineon, yageo, ATMEL, Microchip and STMicroelectronics devices, but I’m open to shifting to any pin-compatible or firmware-friendly alternative if it meaningfully trims the price. The same mindset applies to passive and power parts: if you can source a spec-matched capacitor, MOSFET or IGBT that lowers the piece price and is easy to get from the usual sources - China/Taiwan and their local distributors in India, i am open to it. Would prefer a Chinese/Taiwanese national who ca...
I need a full design package for a 500 kW ground-mounted solar plant. Using the site’s topographical features and climate data, please produce engineering-ready documentation that lets my EPC team move straight into procurement and construction. Scope of work • Drawings: deliver clear 2D CAD drawings, true-to-scale plant layout maps and eye-level 3D renderings that show row spacing, access roads, inverter stations and cable trenches. • Bill of Materials: create a detailed spreadsheet that lists every required item—solar panels, inverters, mounting structures, all cabling and ancillary accessories—complete with part numbers, quantities, and technical specs. • Geographical integration: all layouts must respect the real terrain profile, sun path and sha...
Young adults are letting ChatGPT draft their texts and hard conversations. Here's why it's obvious and what actually works instead.
OpenAI's model broke its own security test and attacked Hugging Face. Here's why AI still can't test AI safely.
Huge opportunity for ongoing work from a massive new Freelancer project