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Special Report

New Solutions for Clean Energy

As the world continues to grapple with energy-related pollution and poverty, can innovation help?

  • March 14, 2011

What is the smart grid anyway? [Video]

The smart grid. Sounds good, right? But what exactly is it? And does that mean we have a dumb grid now?"The grid, it is smart today," Laura Ipsen, a senior vice president at Cisco, told the Advanced Research Projects Agency for Energy (ARPA-e) conference on March 2.

March 22, 2011 — David Biello

Storing megawatts: Liquid-metal batteries and electricity

Making aluminum requires a lot of electricity. That's because the metal bonds tightly to oxygen and it takes a lot of energy to break that bond. In essence, the process of making aluminum is a giant battery with the silvery metal being reduced to purity at the cathode while oxygen bonds with the carbon anode to make, you guessed it, CO2.

March 9, 2010 — David Biello

Gifts for Mom

Mother’s Day is Around the Corner