WhatsApp users will no longer have to share phone numbers to exchange messages as part of the latest update to the service. Instead, people will be able to pick unique usernames to chat with others.

There are plenty of new features coming with the iOS 27 update for iPhone, including cool photography features like spatial reframing and improved Clean Up, the ability to ask questions about visual ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. June 22, 2026 Add as a ...

Abstract: In environments where robots operate with limited global navigation satellite system accessibility, ultra-wideband (UWB) localization technology is a popular auxiliary solution to assist ...

Abstract: We present an electronically reconfigurable antenna array offering low probability of intercept/detect (LPI/LPD) and secure communications capabilities simultaneously at the physical layer.