Date: Fri Mar 20 16:29:00 2009 Back to Contents ------------------------------------------------------------------------

Author: Thomas J. Bauer

Subject: Magnets and Sea Urchins


One of my into E&M students bowwored a Pasco Hemholtz coil and Power
supply for her
biology project. She put sea urchins in a magnetic filed for their first
two weeks of growth.
They developed fine, but almost twice as fast as normal.
At the maximum continous current I measured a field of 30 gauss.

Tom B
Wellesley College

From Fri Mar 20 16:29:00 2009