Flight tests of an aircraft converted to electric propulsion from piston power have shown noise energy levels at least 100 times lower, highlighting the potential for electric aircraft to reduce ...

White noise apps can help people fall or stay asleep. White noise is a constant soothing sound that blocks out other unwanted sounds that may prevent or disturb a person’s sleep. Examples of white ...

Noise can affect sleep for better or worse. White noise machines that emit consistent noise fall squarely in the “better” category. Constant white noise, has been shown to improve sleep quality ...

Today’s stand-by gen-sets must be more powerful, more efficient, and produce fewer emissions than their predecessors. And in a growing number of applications, they must make less noise. Makers of ...

For a parent with a newborn baby in the household, sleep can seem like only a dream. Even if you’re past the waking up every few hours for feedings phase, your baby might still have some trouble ...