Engineer Takes 40 Free MIT Courses, Transforms Career

Badri Ratnam wondered if he could handle problem sets from MIT when the university started offering free online courses in 2012. Fourteen years and 40 courses later, he's become the person everyone turns to with tough engineering questions.

Ratnam works as a senior mechanical engineer at companies like Siemens and GE. Despite holding three degrees, including two master's degrees, he felt something was missing from his undergraduate education where he'd studied the night before exams just to pass.

He started with a single physics review course through MITx, part of MIT Open Learning's program offering free classes to anyone worldwide. The courses include structured timelines, assignments, discussion forums, and the option to earn certificates for small fees, typically under $100.

Since then, Ratnam has completed courses in physics, mechanical engineering, materials science, vibrations, supply chains, and manufacturing. His recent 18-week Vibrations and Waves class included over 40 lessons, 13 assignments, and three exams.

"It's like getting a Ferrari for the price of an electric scooter," Ratnam says about paying less than $100 for courses designed by top MIT professors. The value extends far beyond the price tag.

The knowledge transformed his workplace value. Colleagues now seek him out for complex problems, and his deep theoretical understanding gives him confidence to tackle unfamiliar subjects without fear.

Ratnam credits the discussion forums as particularly valuable, where learners from around the world help each other with problem sets. MIT staff monitor these forums to ensure questions get answered and errors get corrected.

The courses offer something workplace training often misses: deep understanding rather than just task completion. While company training helps employees perform specific jobs quickly, MIT's rigorous approach builds foundational knowledge that applies across situations.

Why This Inspires

Ratnam's story shows how quality education has become accessible to anyone with internet and determination. The barrier between world-class learning and curious minds has nearly disappeared, with top universities now sharing their best courses globally.

His journey proves you don't need expensive tuition or campus access to build expertise that changes your career. Sometimes the best investment in yourself costs less than a nice dinner out, and the returns compound for years.

Free access to MIT-level education means talent and curiosity matter more than wealth or location. Ratnam turned consistent effort and small investments into becoming his workplace's trusted expert, one course at a time.