Pendulum

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1 total messages Started by PHYS2SHS Sat, 07 May 1994 13:50

#1534

Author: PHYS2SHS
Date: Sat, 07 May 1994 13:50

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I recently saw a demonstration about a strang effect of pendulums when
viewed through a filter.  If you take a piece of red plastic (plastic wrap
works fine) and place it in front of one eye, leave the other eye uncovered,
and view a swinging pendulum. It appears that the pendulum is moving in an
eliptical shape instead of the expected side to side motion.  The person
giving the demo could not explain why this happens.

Any one have any ideas?  Try this yourself it is interesting!  ?:-|

                            -Gregory R. Snow
                             Smithfield High School

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