A teen’s $12 ocean-current generator turned moving water into electricity and sparked new ideas for off-grid energy.

At just 15 years old, Hannah Herbst made a remarkable impact on the world of science in 2015. Now, eleven years later, the young inventor from Boca Raton, Florida, is still making waves. Her ...

The world’s oceans cover more than 70% of Earth’s surface. They’re filled with currents, some much stronger than the fastest flowing large rivers. These currents can be harnessed as clean, marine ...