Abstract: Human activity recognition (HAR) has attracted considerable research attention due to its essential role in various domains, ranging from healthcare to security, safety, and entertainment.

Vocxi Health is closer than ever to launching a handheld breath test that uses graphene nanosensors to detect asymptomatic cancer.

Most cars have one to two catalytic converters, but the total can range from one to four or more, depending on the engine size, vehicle design, and emissions standards. While smaller or older ...