Is that a snowflake or a particle track?
Fermilab created a season's greetings card using particle physics flair and a US milestone. You can click on the image below to send the card yourself to show your holiday cheer and physics pride.
From Fermilab here's the inside scoop on the card's image:
Earlier this year, Fermilab's ArgoNeuT experiment recorded signature particle tracks from neutrinos in its detector. These tracks were the first ever seen in a liquid-argon detector in the United States.
To learn more about the ArgoNeuT detector or the particle track milestone, read the July 1 issue of Fermilab Today.