Better Ultrasound Imaging and Sonar Through Samarium

Samarium can nearly double the performance of piezoelectric crystals used in many sensors Piezoelectric crystals are the key ingredient in many kinds of sensors that detect vibrations, and can be found in underwater sonars and medical ultrasound imaging systems. The crystals’ performance can be dramatically improved, according to a team of researchers at Xi'an…

The Buddy System: Human-Computer Teams

The highest accuracy in face recognition comes through the partnering of a human expert with face recognition software Is that him? Is she the one? A prized attribute among law enforcement specialists, the expert ability to visually identify human faces can inform forensic investigations and help maintain safe border crossings,…