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 Dragon Dome LED SFH 4783 uses a focused beam high-power infrared LED (IRED) to achieve a range of more than 100 m for security surveillance. It measures 11 x 6 x 5.7-mm and does not need an ...

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 ...