Sound creepy? It may actually make your Face ID-type sensor more secure and accurate. The company behind this expects to see the tech in phones by 2021. I started with CNET reviewing laptops in 2009.

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 ...

The infrared detector is equipped with a 230 mAh lithium battery and supports USB charging, thus eliminating the need to replace the battery frequently. The battery is also durable as it can be used ...

In a post-quarantine world, heat sensors could help spot sick people with elevated temperatures as they enter public places. But it’s not that simple. By Jonah M. Kessel Welcome to Maplewood, N.J. … ...

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 ...