Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics.

ORLANDO, Fla. — Voyager Technologies secured a $21 million U.S. Air Force Research Laboratory contract to develop artificial intelligence-enabled signals processing tools.

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 ...

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 ...

SignalGate, as it's come to be called, may be the biggest scandal to hit the Trump administration in its first months in power. But it's been great for Signal. Since the news broke on Monday that ...

The messages had been set to delete in violation of record-keeping requirements. A federal judge has ordered the Trump administration to preserve the contents of the chat in which top national ...

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 ...