Permanent magnets sit at the heart of the green economy, from wind turbines and electric vehicles to smartphones and industrial robots. For decades, the strongest versions have depended on rare-earth ...

If you want a strong magnet, the obvious answer is to buy one. However, for a variety of reasons, you might want to combine several smaller magnets. There are a few ways to do this, but the Halbach ...

Traditional iron magnets have been used in consumer products for hundreds of years, but they do have some limitations in terms of magnetic power and adaptability. In the 1980s, scientists used 17 rare ...