TechStuff Classic: How Solar Towers Work

The Week in Tech is now a roundtable! Every Friday, Oz and three of the best writers covering Silicon Valley will discuss the latest news, decode emerging trends and debate what actually matters for the future of technology and for us. This week, guests Reed Albergotti (Semafor), ...  Show more

Iran's Shahed drone costs $30,000 to build. The US missile sent to destroy it? Up to $4 million. Pulitzer Prize-winning conflict journalist Ben C. Solomon wants you to do the math. Oz sits down with Ben to break down the economics driving the conflict with Iran, why the Pentagon ...  Show more

Perovskites are cheap, abundant photovoltaic materials that some have hailed as the future of green energy.Around the world, companies are layering perovskites on top of traditional silicon to develop so-called tandem solar cells that some think could deliver at least 20% more po ...  Show more

Today, solar’s dominance feels inevitable. But in 1979, when Neville Williams started promoting the industry at the Department of Energy, it felt like a far-off dream. That didn’t stop the early pioneers from thinking big and pushing the government to invest in the early technolo ...  Show more

A new kind of solar cell - made by drying a special liquid on a surface - is being heralded as a revolution in solar power. The minerals known as perovskites were discovered more than 150 years ago. More recently, their crystal structure has been copied using other materials and ...  Show more

As expected, 2013 was yet another record year for solar in the U.S. With 5.1 gigawatts of PV and CSP coming online, the solar industry was the second largest provider of electricity capacity behind natural gas. But how long will it continue? With a tax credit expiration looming, ...  Show more