Using a spark gap fabricated as part of the conductor pattern of a pc board provides significant protection against ESD damage to an interface circuit. Working with inexpensive passive components, ...

Is there too much stress in your life? To find out, take this quiz, adapted from a scale developed by Peter Lovibond at the University of New South Wales. For the first 16 questions, please indicate ...

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...