An ultrasonic range finder is a useful tool in a variety of real-life and robotic applications, such as in obstacle-avoidance and distance-measurement systems. The ultrasonic range finder measures the ...

Instructables user [Jones Electric] has been quite busy lately, building a radio-frequency range finder. Built as part of a German youth science competition, he and his partner built a pair of ...

Eye-safe laser with exceptional measurement range Very small and lightweight Meets military standards Uses commercial batteries; consumes very little power Simple two button, single-handed operation ...

Microsoft is adding a slew of new features to its Bing Maps. There’s a distance calculator that tells you the distance between any two points on the map, a gas price finder, and a parking finder to ...

With its Tour X Jolt laser range finder, Bushnell Golf has a distance-measuring device that seemingly does everything. It allows users to measure distances (up to 450 yards to a flag) and can adjust ...

Trijicon Inc. recently unveiled a new range finder that can read wind conditions several hundred meters down range. The Trijicon Ventus is the "world's first handheld device with advanced wind mapping ...

You can’t argue with the results of large-format film cameras — picture the boxy bellows held by a cigar-chomping big-city press photographer of the 1940s — but they don’t really hold a candle to the ...