"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Hello? Hello? Can you hear me?!” We’ve all been there before: little to no cell phone service at a time ...

Multipath interference disrupts wireless signals, causing issues like TV ghosting and fading. Now, researchers have developed a passive metasurface that overcomes traditional filtering limits. Using a ...

Nelson Aguilar is an LA-based tech how-to writer and graduate of UCLA. With more than a decade of experience, he covers Apple and Google and writes on iPhone and Android features, privacy and security ...