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 ...

The search is for new ways to harness renewable resources to supply our rising energy needs. The key question, however, is why ocean and sea waves haven't been used in carbon emission reduction ...