Venkat Viswanathan, a professor at Carnegie Mellon University, discusses powering homes with batteries, whether they will save consumers money, and where they can best be used.

Venkat Viswanathan, a professor at Carnegie Mellon University, discusses how electric bikes work and what they can be used for.

Venkat Viswanathan, a professor at Carnegie Mellon University, discusses how batteries are used to power drones and how battery innovation can improve drone function.

Venkat Viswanathan, a professor at Carnegie Mellon University, discusses why lithium ion batteries can catch fire and how these fires can be avoided.