Today we are looking at the best decibel meter app to measure noise levels. Do you work in a loud factory and want to see just how much damage is happening to your ears when you “forget” your earplugs ...

Editor's Note: We have strived to maintain accessibility in our Bring Science Home activities by limiting the required technology. We recognize technology is now more widely available than it was when ...

Measuring equipment such as SPL (Sound Pressure Level) decibel meters may seem daunting, but this article by [Shawon M. Shahryiar] shows that making your own need only have two essential ingredients: ...

NEW DELHI: It's time to put on your thinking cap again if you thought policing was just about crime detection and traffic management. The Delhi Police have another duty to perform. NEW DELHI: It’s ...

An DIY RF decibel (or power) meter is an indispensable instrument in any radio workshop. Unfortunately, accurate, wideband models are fairly expensive, and home-constructed ones are generally not ...