Magnets are a crucial technology in our modern life. There are magnets in pretty much all electronics, most household appliances, and in a variety of places, from doors to school bells. The most ...

But powerful magnets are usually large and energy hungry. Chukun Gao at the Swiss Federal Institute of Technology in Zurich ...

Researchers demonstrated a topological insulator device that opens the way towards observing the quantum anomalous Hall effect. Because the currents generated are resistant to scattering, but very ...