Ultrashort laser pulses - that are shorter than a millionth of a millionth of a second -have transformed fundamental science, engineering and medicine. Despite this, their ultrashort duration has made ...

In recent years, new testing techniques have been developed to meet the challenges posed by the rapid development of new standards in industries such as semiconductor and communication technology. One ...

A pulse wave is a wave in which the blood flow – that originates from the heartbeat – is transmitted to the body. It is an important biosignal that indicates cardiovascular health. Analyzing the pulse ...

Google is updating Fit, its health tracking app that connects to smartwatches and trackers, with the ability to measure respiratory and heart rates using smartphone cameras. Available to Pixel owners ...

If this method of heart rate detection sounds familiar, you might be thinking of Samsung’s Galaxy S5, which had a separate sensor below the camera. But apps that let you use your phone to measure your ...