A tradition in many organizations is to send out a holiday card. With the near ubiquity of the Web among lab audiences, mant of these cards are solely electronic, leaving the wood that would have gone into cards for Christmas trees or other uses!
Here is a selection of holiday cards from a few science organizations, showing the usual geeky tendency to incorporate some kind of scientific imagery as a visual metaphor. If you have any other examples to show, send them to us at mail.symmetrymag.org.
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