I really have too many tray icons. You know the ones. They sit on your taskbar, perhaps doing something in the background or, at least, giving you ...

The yesterday.sh shell script is a small bash script which, by default, determines todays date and then moves it back one day to get yesterdays date. Most of the logic is quite obvious but the edge ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and ...

Abstract: We have proposed a method to focus an ultrasonic beam transmitted from piezoelectric micromachined ultrasonic transducer (pMUT) array based on the principle of phase-type Fresnel Zone Plate ...