Build for monitoring, buy for safety.

Radar was invented in the late 1800s by Heinrich Hertz, a German physicist, after whom the kilohertz was named.

Features like voice alerts, false-alert filtering, and four-directional detection can all help you avoid a dreaded speeding ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

A perennial political question in Pennsylvania is back on the menu: should your local cops have radar? A bipartisan group of state Senators announced Friday that they have re-introduced legislation ...

TOM: SO RIGHT NOW, MOST POLICE DEPARTMENTS IN PENNSYLVANIA HAVE TO FIGURE OUT HOW IT TAKES A PERSON TO GO FROM POINT A TO POINT THE, NO DIFFERENT THAN STARTI ANG STOPWCHAT AND SEEING HOW LONG IT TAKES ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

Meet Radar: The five-month-old Belgian Malinois mix who was adopted last week by Public Information Officer Justin Rios.

It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of giving away the boat’s location. Radar has a similar ...

Japanese Prime Minister Sanae Takaichi. Beijing and Tokyo traded complaints against each other as their simmering diplomatic spat intensified over the weekend after Chinese fighter aircraft allegedly ...

Air traffic controllers will use radar, not just visual checks, to ensure that helicopters maintain a safe distance from arriving and departing airplanes in the wake of last year's fatal midair ...