Liquid Nitrogen Freeze rubber bands and turn your breath to liquid  email to friend
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Make a rubber band rigid, shatter a bicycle tube and turn your breath into a liquid. These are just a few of the amazing demonstrations that are available to teachers in the Denver metro area as part of the CARE Program.

A special cryogenics demonstration kit is available to teachers in the Denver metro area by calling the National Institute of Standards and Technology C.A.R.E. program in Boulder at (303) 497-3244 or you can go to the CARE website.