Signal’s Founder Built a Chatbot That Can’t Spy on You

Moxie Marlinspike, the cryptographic prodigy who wrote the code that underpins Signal and WhatsApp, has a new project—and it ...

Perovskite display technology demonstrates record efficiency and industry-level operational lifetime

A research team has developed a hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the ...