Do you know that there are many uses for 3M Littmann Stethoscopes other than their medical use? It’s all hearing related and the best that I have found so far are 3M Littmann Stethoscopes. Here are just a few things that you can attempt with them.
By placing a stethoscope on the back of a combination lock, you can hear the tumblers and with a little patience, guess the code to unlock saving from hunting down bolt cutters.
Hard Disk Drives
Mechanical hard disk drives tend to fail or perform poorly after 3 years of daily use and with a stethoscope, you can listen to the drive as it spins up so that you can make a clone before it fails.