World's largest nuclear fusion reactor comes online in Japan

Japan's joint fusion reactor project with the European Union (EU), the JT-60SA, was inaugurated in Naka, Japan on Friday, marking the start of experimental operations for the world's biggest and most advanced tokamak.

New reactor paves the way for efficiently producing fuel from sunlight

Using a common metal most famously found in self-cleaning ovens, Sossina Haile hopes to change our energy future. The metal is cerium oxide -- or ceria -- and it is the centerpiece of a promising new technology developed by Haile and her colleagues that concentrates solar energy and uses it to efficiently convert carbon dioxide and water into fuels.