Researchers in China have developed a reconfigurable intelligent surface (RIS) that harvests energy from enemy radar.

Signal has introduced a new opt-in feature that helps users create end-to-end encrypted backups of their chats, allowing them to restore messages even if their phones are damaged or lost. Secure ...

Signal is Microsoft’s response to a world of noise and ephemeral content. Signal is Microsoft’s response to a world of noise and ephemeral content. is a senior editor and author of Notepad, who has ...

Signal has updated its Windows app to protect users' privacy by blocking Microsoft's AI-powered Recall feature from taking screenshots of their conversations. This new privacy feature, dubbed "screen ...

Create homemade signal flares for emergency situations. Dershowitz says two New York judges still blocking Epstein details: ‘Everything should come out’ Over 30 million homeowners don’t have a ...

Venture firm Construct Capital is doubling down on its strategy of backing early-stage startups developing industrial-related technology, the latest example of revived investor interest in the sector.

Construct Capital, an early-stage venture capital firm that invests in startups applying technology to sectors like manufacturing, transportation, and defense, has closed its third fund with $300 ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people concerned about privacy. But it’s not infallible. And its shortcomings and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not clear whether the team at Signal believes the maxim that ...