Technology note for lecture one

							Technology note for lecture one:

Delete reference to M&M and add Barash 6th ed. Ch 3 (enclosed in PDF file).

The link for the laser safety is a link to write comments until Aug. 29th I guess we can change it
after that.

Fire safety prevention from the APSF link (thanks Jeff)

http://apsf.org/resources_video.php

Opinion on safety and fatigue from AANA (PDF)