This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore. Data storage has long contributed a significant portion of the computing industry’s carbon footprint, even representing as much as 1.8 percent of the United ...

Semiconductor lasers, unlike bulky gas lasers and fiber lasers, are tiny, energy efficient, and highly controllable. The one thing they can’t do is deliver their competitor’s steel-slicing brightness. In results reported last week in Nature, a group of researchers at ...