You can send secret messages on your iPhone using the Apple Notes app! Just create a note, tap Share > Collaborate, give edit access to a friend, and start chatting in real-time—no third-party app ...

Researchers are hiding instructions for A.I. reviewers in preprint studies using white text, which is invisible on a white background. Screen recording of the preprint study "Near-Optimal Clustering ...

Scientists have found a way to turn ChatGPT and other AI chatbots into carriers of encrypted messages that are invisible to cybersecurity systems. The new technique — which seamlessly places ciphers ...

History, as we often encounter it, can seem like a collection of established facts and grand pronouncements. Yet, the most profound insights into the past often lie not just in the words on a page, ...

Advancements in artificial intelligence (AI), especially large language models (LLMs) like ChatGPT and open-source counterparts, are reshaping how people communicate daily. These AI systems generate ...

Using variation selectors, you can conceal messages of arbitrary length within emoji, or indeed any unicode character. "To be clear, this is an abuse of unicode and you shouldn't do it," writes Paul ...