Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsMeasurement of Electron e/m Using a Modified Magnetronhttp://demonstrations.wolfram.com/MeasurementOfElectronEMUsingAModifiedMagnetron/]]>http://demonstrations.wolfram.com/MeasurementOfElectronEMUsingAModifiedMagnetron/