She graduated at 17 with honors in physics and computer science and went on to pursue a PhD in plasma physics at Princeton.

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The FAST system is the first step in an effort to use Xerox PARC's expertise in physics, engineering and computer science to invent and commercialize new technologies for biology and health care.

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He went to Princeton to study physics and ended up in computer science, which led to a brief, lucrative career on Wall Street.

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Udacity offers 11 STEM courses like "Introduction to Physics, " "Intro to Computer Science, " and "Web Application Engineering" -- all free.

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The courses span a spectrum of topics: physics, biology, computer science, engineering, medicine, literature, sociology, poetry, business and many more.

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