It’s the latest in instrumentation for the well-appointed shop — an acoustically coupled fast Fourier transform tachometer. Sounds expensive, but it’s really just using a smartphone spectrum analyzer ...

If you are interested in electronics or engineering, you’ll have noticed a host of useful-sounding apps to help you in your design and build work. There are calculators, design aids, and somewhat ...

Mobile engineering apps are proliferating as they enable mobile devices such as smart phones and tablets to provide a valuable assist in the office, lab, factory, and field. App developers offer ...