A Guitar-String Like Mechanical Vibrating Wire (image) Aalto University Share Print E-Mail Caption Electromagnetic signals can be detected and amplified almost noiselessly using a guitar-string like mechanical vibrating wire. In the ideal case the method adds only the minimum amount of noise required by quantum mechanics. Credit Juha Juvonen Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.