A metamaterial elongates the propagation path of sound waves, allowing low-frequency noise control without the need for bulky materials.

Amateur radio operators and shortwave listeners have a common enemy: QRM, which is ham-speak for radio frequency interference caused by man-made sources. Indiscriminate, often broadband in nature, and ...

If there’s anything more annoying to an amateur radio operator than noise, we’re not sure what it could be. We’re talking about radio frequency noise, of course, the random broadband emissions that ...

I have a problem with low frequency noise coming from the party wall between me and my neighbour. It runs across all floors in my apartment and up through the bed and sofa, causing pain in my head ...

Researchers are suggesting a new reason why seemingly healthy gray whales get stranded sometimes on shore. An analysis published Monday in the journal Current Biology found a high correlation between ...

In today’s hyperconnected world, wireless communication faces a critical challenge known as the “spectrum crunch.” Spectrum crunch results from more devices vying for limited frequencies, creating an ...