China has quietly crossed a threshold in magnet technology that most people will never see but many will eventually feel. By ...

Explore the fascinating world of clean energy with this step-by-step DIY magnetic generator build. Learn how everyday items ...

A permanent magnet changes the flux through coil, generating a voltage that can be read by an analog voltmeter (you can pretend it's a galvanometer). Connect the voltmeter to the coil or to the DAQ ...