Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...
Research conducted by a team of scientists from Kaunas University, Lithuania, revealed that low-frequency ultrasound influences blood parameters. The findings suggest that ultrasound's effect on ...
Objectives The central nervous system is a significant extraglandular target in primary Sjögren’s syndrome (pSS), often ...
We all know how to block the DC offset of an AC signal — that just requires putting a capacitor in series, right? But what if the AC signal doesn’t alternate very often? In that case, things get a ...
Islanders in the Outer Hebrides whose lives are being disrupted by a mysterious humming sound say they believe the source is military operations in the North Atlantic. The persistent low frequency ...
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