Geek versimilitude

There's now a consultancy firm in Hollywood that specializes in providing science and math consultants to movie and TV production firms, so that they can be sure that the blackboard scribbles bear some resemblance to real equations or diagrams, and that the academic or other scientific settings have the right equipment and feel. Great gig for poor graduate students, and it could prevent some of the scientific gaffs that I recall from Star Trek NG or X-Files episodes past...