Retire your old mop and bucket. The top robot mops we've tested keep your floors squeaky clean with little effort on your part. I’m PCMag’s senior writer covering smart home and wearable devices. I’ve ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

In America, graffiti is often a staple of disadvantaged communities, associated with crime and poverty, and generally unwanted. But in some places, where the culture and atmosphere differs, graffiti ...