steam girdling

Jon Greenberg jongreen at BLUEMARBLE.NET
Mon Jun 15 09:51:14 EST 1998

Many thanks to all who contributed ideas on steam girdling. While the
technique is simple and straightforward, the real challenge has been
making it cheap and safe enough for high schools.


Jon Greenberg, Ph.D.            Curriculum Development
Science Education Consultant    Program Evaluation
jongreen at         Preservice & Inservice Teacher Education

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