Molecular Measuring Machine Figure 1.  A view inside the Molecular Measuring Machine (M3) machine core at the reference mirrors. Privacy Policy, Security Notice, and Accessiblity Statement Disclaimer / Freedom of Information Act (FOIA) No Fear Act Policy / NIST Information Quality Standards NIST is an agency of the U.S. Department of Commerce. PED website comments: melwebmaster@nist.gov Date created: March 07, 2001 Last updated: Aug. 15, 2007