If you want to make something dirt cheap, make it out of dirt–preferably dirt that is locally sourced.

Want to know the best thing about being a professor? Colored chalk.

How do we attack important problems? Pose the right question.

If you want to make something dirt cheap, make it out of dirt–preferably dirt that is locally sourced.

The liquid metal battery story is more than an account of inventing technology. It's a blueprint for inventing inventors.

With a giant battery, we'd be able to address the problem of intermittency that prevents wind and solar from contributing to the grid in the same way that coal and gas and nuclear do today.

People would like better batteries but they are wary of making investments. What is required is both a technology push and a market pull.