Technology Assessment

4 reports

Zilog Z80 Microprocessor Ends Production After Nearly 50 Years

The Zilog Z80, a foundational 8-bit microprocessor for early computing and embedded systems, has reached end-of-life status after decades of use, raising questions about legacy hardware support and the persistence of retrocomputing communities

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Bed-Leveling Sensors Tested for Automated Pressure Advance in 3D Printing

Researchers have explored whether standard bed-leveling sensors in FDM 3D printers can be repurposed to automate pressure advance calibration, a process critical for consistent extrusion during variable-speed printing tasks

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GE Aerospace GEnx-1B Engine Logs 50 Million Flight Hours Milestone

GE Aerospace reports its GEnx-1B engine, used on Boeing 787 Dreamliners, has surpassed 50 million flight hours with a developer-claimed 99.98% dispatch reliability, raising questions about real-world performance and operational limits

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CFM LEAP-1B Engine Upgrades Aim to Cut Maintenance in Harsh Environments

CFM International has received regulatory certification for new LEAP-1B engine upgrades, including a high-pressure turbine durability kit and a reverse bleed cooling system, both designed to extend operational time and reduce maintenance in challenging climates

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