New carbon capture method turns up the heat

Newsletter

A centuries-old technique for making cement may be the key to large-scale carbon capture, according to US chemists. The first step in making cement involves converting limestone to calcium oxide, inside a kiln heated to 1400 degrees Celsius. Calcium oxide is then mixed with sand to produce a vital ingredient for cement. Inspired by this … Read more

How ‘Star Wars: Skeleton Crew’ uses Spielberg magic to capture the spirit of the original trilogy

All those spaceships, droids, lightsabers, and scoundrels had a big part to play in capturing the imaginations of a generation back in 1977. Even so, there’s a much subtler moment that arguably defines the original ‘Star Wars’ movie better than any other. Young farmer Luke Skywalker, told by his uncle that he needs to stay … Read more