If there are multiple things out there, say more raindrops, more beams will bounce back. What radar can do is measure the ...

In this context, one of the earliest mechanical solutions was speed traps. These comprised sensors laid on the road at certain intervals and a timing device to record how long it took for a vehicle to ...

Billions of birds are on the move this fall as migration season reaches its peak across North America. From tiny songbirds to ...

However, Louisiana and Arkansas both permit sheriffs to use radar, and both report lower overall traffic death rates than Mississippi - 18.7 per 100,000 in Louisiana and 21.2 in Arkansas, compared to ...