In a study published in Optics Express, a research group led by Prof. Fu Yuxi from Xi'an Institute of Optics and Precision ...

Besides warning me while I’m at home that someone’s opened the door, the sensor also gives me peace of mind when I’m away that nobody’s entering the house when they shouldn’t be–a key issue, given ...

Jim Salazar, a survivor of the recent Eaton Fire, spent his day delivering sandbags in his burn-affected community, where anxiety loomed amid the threat of mudslides and flooding.