You might have heard of  Massachusetts Institute of Technology (MIT) - research university in Cambridge, Massachusetts and ranks among the most prestigious academic institutions in the world. Established in 1861, MIT has since played a key role in the development of modern science, engineering, mathematics, and technology.

MIT OpenCourseWare (MIT OCW) is an initiative of the Massachusetts Institute of Technology (MIT) to publish all of the educational materials from its undergraduate- and graduate-level courses online, freely and openly available to anyone, anywhere. The website is ocw.mit.edu.  Started in 2001 and completing 20 years, MIT OCW has started a new era of Open Courseware. This small article just looks at the Most visited course on MIT Courseware.