When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

Ultrasonic nondestructive testing, also known as ultrasonic NDT or simply UT, is a method of characterizing the thickness or internal structure of a test piece using high-frequency sound waves. The ...

Last week, I posted part 1 of a 3 part series on how to test your power supply design: Testing power supply: measuring efficiency. I covered the fundamentals about testing, including the necessary ...

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 ...

You may have observed that older people have more difficulty following a conversation in a noisy environment. Most people attribute this problem to being deaf. However, many of these people are not ...