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Mechanical & Manufacturing
State Variable Filters: Three Outputs, Independent Tuning and Notch Design
A state variable filter derives low-pass, high-pass and band-pass responses from one op-amp circuit, with a fourth notch output available by...
Electric Motors on a Shared Backbone Mimic Muscle Coordination
Bristol researchers built a tabletop array of electric motors that self-coordinates like muscle, suggesting simpler control strategies for r...
Designing Center Pivots Around the Weight of Water in Remote Brazil
Bauer's Brazilian engineering team designs center pivots project by project, using Solid Edge simulation to check structural loads before fi...
Local AI Agent Builds a Home Media Server, Then Debugs Its Own Mess
A locally running AI agent set up Jellyfin, Immich, Nextcloud and Homarr in about 44 minutes, but it reported success too early and needed c...
Sallen-Key Filters: Setting Cutoff Frequency and Quality Factor
Sallen-Key circuits offer a compact way to build active two-pole filters. Component ratios set the response, but the design equations need c...
Band-Stop Filters: Cutoff Frequencies, RLC Circuits and Notch Applications
Band-stop filters pass frequencies outside a selected range. RLC and Twin-T designs target broad bands or narrow interference such as 50 Hz...
Campaigners Challenge GB Fast-Track Chemical Approvals in High Court
Campaigners say HSE widened fast-track chemical approvals beyond the EU without consultation; a judge will decide if the case goes to judici...
UK Weighs Wobbe Index Limits to Ease LNG Import Costs
DESNZ, HSE and Ofgem are reviewing the UK's Wobbe index range to make LNG imports cheaper, with carbon intensity still a sticking point.
Germany and Japan Bet Fusion Will Be Won in Factories, Not Labs
Proxima Fusion's deals with Fujikura and Kyoto Fusioneering point to a stellarator supply chain taking shape across Germany and Japan.
Sizewell C Cost Overruns Could Add £21.8bn to Public Costs, PAC Warns
A committee warns Sizewell C’s financing could leave consumers carrying most cost overruns, while investors’ losses remain limited.
IMI's Printed Nickel Alloy Valve Trims Qualify for Sour-Gas Service
IMI's laser powder bed fusion disk stacks passed DNV-ST-B203 AMC Level 3 and are now running in H₂S-exposed anti-surge valves at TotalEnergi...
Aurora Labs Raises $6 Million to Expand Metal Additive Manufacturing and Turbojet Production
Aurora Labs plans to increase turbojet output, buy metal additive manufacturing equipment and prepare its production systems for larger scal...
Choosing a VLSI Design Partner: Where Engagements Break Down
A VLSI partner that looks right on day one can drift off course months later. Here's where resource augmentation, ODC, milestone, turnkey an...
Running Raspberry Pi OS in a VM: VirtualBox, QEMU and VMware Compared
VirtualBox, QEMU and VMware Workstation can each run Raspberry Pi OS on a Windows, Linux or macOS PC. Each has different setup steps and dis...
Install and Configure MagicMirror on Raspberry Pi: Modules, Remote Access and Autostart
Set up MagicMirror on Raspberry Pi OS, edit its dashboard and weather settings, view it remotely, launch it at boot and add community module...
Running PhotoCraft, a Photoshop Clone, on a Raspberry Pi
Hosting the open-source PhotoCraft editor on a Pi turns it into a LAN image-editing server. Layer masks, styles and clone stamp work; font f...
UK Carbon Capture and Hydrogen Grants Fall by £700m as Acorn Funding Ends
A £500m hydrogen grant reduction and the loss of Acorn’s £200m allocation reshape UK project support, while other cluster funding remains pr...
RoboCup@Home’s 50-Object Vision Challenge: Raphael Memmesheimer on NimbRo’s Award-Winning Method
NimbRo’s semi-automatic image labeling helped its robot learn unfamiliar objects faster and tackle RoboCup@Home tasks, including laundry, at...
MassRobotics Startups Get a Look Inside ADI's Robotics Engineering Hub
MassRobotics founders spent a day with Analog Devices' Emerging Tech Hub, learning how a large chip supplier's teams can support robotics st...
Allegro's 48V PMIC and Position Sensors Target Humanoid Robot Joints and Hands
Allegro's new 48V power IC and sensor lineup aims at humanoid robot joints and hands, with a claimed roughly 50% cut in power-stage footprin...
DMC New York Welcomes Sean Clarkson with a Jet Ski Tour of the Hudson
DMC’s New York team welcomed Sean Clarkson with a Hudson River jet ski tour, giving him a new view of the city and a chance to connect with...