In Fairbanks, Alaska, keeping the lights on is a matter of life and death.
Scientists building new materials are looking to nature for inspiration.
Lithium ion batteries stop charging when they're full.
This range extender could keep drones in the sky for two hours or longer.
With less than 20 minutes to get a phone out of the red, do we still need bigger batteries?
Quantum entanglement exploiting 'quantacells' are still a ways off, but here's proof that it works.
"It just might be that it's not feasible, but that's OK."
Engineers pushed a battery to its fiery limits, for science.
Rocket Lab is a small commercial space travel company that wants to take constellation of satellites to space.
Elon Musk is announcing a "major new Tesla product line" that's not a car next month.