Former Xinjiang government engineer Nureli Abliz, who saw firsthand how surveillance technology flagged thousands of people in China for detention, even when they had committed no crime, is ...

An artistic view of the subwavelength grating made of layered molybdenum diselenide. (E. Pruszyńska-Karbownik/Faculty of ...

The world is still a long way from universal connectivity: More than 3 billion people don’t have access to the internet. In remote areas, and especially in rough terrain, one challenge is the cost of ...

When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...