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-----Original Message-----anyone
From: phys-l-bounces@carnot.physics.buffalo.edu [mailto:phys-l-
bounces@carnot.physics.buffalo.edu] On Behalf Of Anthony Lapinski
Sent: Tuesday, April 22, 2008 8:12 AM
To: tap-l@lists.ncsu.edu; phys-l@carnot.physics.buffalo.edu
Subject: [Phys-l] invisible bike
I'm teaching about the index of refraction. I read somewhere (this
list?)
a few years ago about an invisible wall that keeps a bike from falling
over in the C.S. Lewis science fiction novel, "Perelandra." Does
know the chapter/page reference for this?
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