Researchers boost signal amplification in perovskite nanosheets

Perovskite materials are still attracting a lot of interest in solar cell applications. Now, the nanostructures of perovskite materials are being considered as a new laser medium. Over the years, light amplification in perovskite ...

Wearable sensors gather lots of data—now to make it useful

It's not just about how many steps you've taken or how many calories you've burned in a day. Wearable fitness trackers and health monitors are becoming more commonplace and diverse, but just what do you do with all of that ...

Black Friday in Britain: where it all went wrong

This year has been challenging for retailers, to put it mildly. According to the British Retail Consortium, sales were down 1.3% year on year in September, the most recent month available, and the worst since the consortium's ...

page 10 from 40