Can a simple brick be the next great battery?...

In seven years as a political prisoner in Venezuela, activist Leopoldo López kept asking one question: Who holds the keys to freedom? Now the leader of an alliance of dissidents and exiles from more than 60 countries, he makes the case that open-source, decentralized technology c ...  عرض المزيد

Katie Paris quit her career in Washington, DC, to figure out how to make politics feel less like strangers shouting at each other and more like friends looking out for each other. In this practical talk, she reveals why conversations between real people can have a bigger impact o ...  عرض المزيد

Industrial manufacturers spend a huge amount of energy generating heat to make everyday materials and objects, like cement, steel, and paper. And since most companies use fossil fuels to reach these high temperatures, industrial heat accounts for 20% of our annual global carbon p ...  عرض المزيد

What if we had more control over how we store energy? This simple question could open up a whole world of green possibilities and allow us to divest from higher pollutant energy sources like fossil fuels. Argonne National Laboratory is reworking the battery from the ground up, to ...  عرض المزيد

When Donnel Baird was a child, his parents would regularly use the oven to heat their Brooklyn apartment -- a dangerous and energy-inefficient practice that’s unfortunately not unique to New York City. As an adult traveling the country with the Obama for America campaign, Donnel ...  عرض المزيد

In the US, people spend the overwhelming majority of their time inside buildings that burn fossil fuels, which are bad for both the environment and human health. (Think: breathing in air pollution from gas stoves, furnaces and water heaters.) If we're going to fix this problem, w ...  عرض المزيد