Diamond-Tipped Probe (image) Michigan Technological University Share Print E-Mail Caption The diamond-tipped probe Herbert and Hackney use for their research is incredibly sensitive and must be housed in a compartment that muffles any sort of vibrations. Credit Sarah Bird/Michigan Tech Usage Restrictions Please credit photographer/university. 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.