A team from the Universitat Politècnica de València (UPV) has led the development of a new sensor capable of quickly and ...

Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...

This month, I’ll share some of the free software I use to understand how TV signals make it from the transmitter to the ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

Secretary of Defense Pete Hegseth risked compromising sensitive military information, which could have endangered American troops and mission objectives, when he used Signal in March of this year to ...

Signal is the uber secure messenger with the same features as WhatsApp but without Meta casting its long shadow over your phone. But Signal is so secure, it doesn’t even provide iPhone users with a ...

A demonstration of the effects of downsampling (with and without anti-aliasing) on an audio signal, using the built-in handel sample in MATLAB. This project visualizes both time-domain and ...

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 ...

Signal Messenger is warning the users of its Windows Desktop version that the privacy of their messages is under threat by Recall, the AI tool rolling out in Windows 11 that will screenshot, index, ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company investigates an apparent hack. The messaging app is used to access and archive ...