Modern Optics and Spectroscopy Seminar scheduled for TODAY April 16, 2013 has been cancelled. -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 1843 bytes Desc: not available Url : http://mailman.mit.edu/pipermail/mos/attachments/20130416/d355512f/attachment.bin