[Gregory Charvat] decided to see what he could do with this old Police radar gun. It is an X-band device that broadcasts continuous waves and measures the Doppler shift as they echo back.

[Jeri Ellsworth] is at it again, this time she takes apart a hot wheels speed gun and in the process she does a good job of explaining how radar can be used to measure speed. She also ...

A huge truck-mounted system is one of at least three large mobile ground-based high-power microwave directed energy weapons, ...

Hands-Free Operation - Unlike most other speed guns, it can be used by a single person. Unique hands-free operation design makes it the premier baseball speed radar in its class. From now on ...

The AN/PSS-14 revolutionizes landmine detection by combining ground penetrating radar (GPR) and highly sensitive metal detector (MD) technology using advanced data fusion algorithms. This unique ...

In 1989, at the International Players Championships in Miami, the sport debuted a device that didn’t call the serves, but timed them—a radar gun. Serve speeds like Tilden’s had been measured ...

PHILADELPHIA — ZeroEyes announced that it has deployed its proactive gun detection and intelligent situational awareness solution to the Susquenita School District of Perry County, Pennsylvania.

PERMISSION has now been obtained to publish the fact that birds can reflect radio waves with sufficient strength to be detected by radar sets. Evidence of this was given to us in the summer of ...

You’re hurtling down your favorite highway, foot planted on the accelerator, engine playing its sweet song of mechanical ...

Facial detection has all sorts of technological and ... Several companies are using software to automatically detect guns in schools, but it’s still difficult to judge the accuracy or integrity ...

Traditional metal detectors ... with radar to cut down on false alerts and keep the crowds flowing into a venue without irksome interruptions. This is not just looking for the shape of a gun ...

Mr. Valentine, who didn’t believe that road safety was determined by finite speed limits, went into battle armed with the Escort, a radar detector that he built with Jim Jaeger, his college ...