An acoustics professor, a food critic and an audio producer are staring at their devices in a Peruvian restaurant in downtown Washington. “What are you getting?” “Let’s see … it’s fluctuating.” “I ...

In Decibels: Use with caution, I reviewed the concept of decibels as a ratio of two powers (and sometimes voltages). Decibels are also used to indicate absolute power and voltage levels by specifying ...

Decibels are commonly used in electronic systems that include RF, audio, and more recently, signal integrity. While many engineers already think in decibels, if you mostly work in the time domain, you ...

Noisy environments can significantly and negatively effect our bodies, and are a great villain to concentration, learning, and productivity in classrooms and offices. Headaches are one momentary ...

👋 Want to check your hearing? Try this free hearing test. It takes about 5 minutes and returns a chart that reveals the shape of your hearing. There’s also a helpful video that explains your results.

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...