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What to do before you start a generator so you don’t trip breakers instantly

When the lights go out, a portable generator can feel like a lifeline, but if you rush the startup, you can end up staring at ...

The Outside Lab Did a Lot of Testing in 2025. Here’s What We Learned.

After testing 150+ products under a metaphorical microscope, our lab test editor found that industry standards don't always ...
Hackaday

Pocket-sized Test Pattern Generator Helps Check Those CRTs

Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based ...
IEEE

Optimal Design of Highly Uniform Magnetic Field Coils Under High-Permeability Magnetic Shields in Miniaturized NMR Sensors

Abstract: Magnetic coils in the magnetic shield are combined to generate a precise and uniform magnetic field for nuclear magnetic resonance (NMR) sensors and shield against the disturbance of the ...