For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to geothermal heat. Now a small group of physicists says Earth’s own magnetic ...

The key to future technologies can sometimes be found in the past. What Ravi Kishore is working to perfect, for example, has ...

Electricity can be generated from the energy of Earth rotating through its own magnetic field—according to a provocative claim put forward by physicists this week. The findings are controversial but ...