In my last column I described measurements I made on some indoor TV antennas. The “Spectrum Spy” software and Airspy SDR I used for those measurements can also be used as part of a very portable, ...

From AR-powered rulers to GPS-based land survey tools, these 8 best measuring apps for iPhone and Android let you measure length, height, area, and even perimeters on the go. Accurate, versatile, and ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Measurement tools are often an afterthought when ...

How innovations in visibility, usability, and smart sensing are changing who uses tools—and how. For centuries, measurement tools have been essential to architecture, engineering, construction, real ...