 On December 8, 2014 all the material from his courses including the video lectures were pulled from OpenCourseWare after MIT announced that it determined that Lewin had engaged in sexual harassment of an MITx learner.However, the video lectures continue to be available on Lewin's YouTube channel and are still watched by many people around the globe.8.01 is a first-semester freshman physics class in Newtonian mechanics, fluid mechanics, and kinetic gas theory at MIT.