The drones are quiet as they rise into the air mounted with several cameras. Their job? Keep watch on the roads below.

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...

University of Liverpool researchers are part of an international research collaboration that has shed light on what happens ...

The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...

These metrics include potential savings and how to measure them, the effect on factors like ... that is currently being ...

LIDAR (Light Detection and Ranging) is an airborne remote sensing method that uses light in the form of a pulsed laser to ...

A team of scientists set out to probe some of the heaviest elements in the periodic table using an advanced form of laser ...

Physicists have made a breakthrough in the development of a nuclear clock, a new kind of ultra-precise clock that could ...

Kidney stones last days to weeks as they pass from the kidney down the urinary tract. This article explains what affects how ...

Pikes Peak, originally named Tavá Kaa-vi by the Ute people, lends its ancestral name, Tava, to these notable rocks. They are composed of solidified sand injectites, which formed in a similar manner to ...

Fiverr allows users age 13 and older to use a parent or guardian’s account, with permission. And Freelancer.com requires users to be at least 16. Some sites require you to be a U.S. citizen or ...

Here's how it works. First, vibrations in the ground are created using airborne sound or seismic wave vibration excitation ...