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#Mon Aug 09 12:00:48 CEST 2010
Text__-5q1EKOcEd-WfYQ0GneCwQ_text=<p>In this experimental setting, a beam of bundled, accelerated electrons collide with atoms of a noble gas, causing them to glow and thus making the electron beam visible. The homogeneous magnetic field of Helmholtz coils forces the beam into a circular path.</p>
Text__-5q1EKOcEd-WfYQ0GneCwQ_title=Cathode Rays Forced into a Circular Path