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STAO FEATURED LINK- A cool science-related article:

Cool Cryogenics

This video explores the effect of super-cold liquid nitrogen (boiling point -196 oC) on common substances. Liquid nitrogen is so cold that it causes water vapour in the air to condense, forming the dense clouds seen in the video. This video is useful when discussing physical properties of the elements or the strength of intermolecular forces of attractions.

Do you have a cool video resource to share? Please send the URL to info@stao.org

Submit a STAO2012 Session Proposal.
Information for Exhibitors.
STAO2011 Speaker Handouts.

Congratulations to STAO2011 Award Winners!

Marissa Unruh
Don Galbraith Preservice Teacher Award of Excellence.

More STAO2011 Award Photographs

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Today's Calendar Link: 1958, The Lego company patents the design of its Lego bricks, still compatible with bricks produced today.

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