power and in finding other new ways to harness energy expanded at Penn. In December 1994, he had to come up with a business plan for one of his classes and ended up writing a paper titled âThe Importance of Being Solar.â The document started with a bit of Muskâs wry sense of humor. At the top of the page, he wrote: âThe sun will come out tomorrow. . . .ââLittle Orphan Annie on the subject of renewable energy. The paper went on to predict a rise in solar power technology based on materials improvements and the construction of large-scale solar plants. Musk delved deeply into how solar cells work and the various compounds that can make them more efficient. He concluded the paper with a drawing of the âpower station of the future.â It depicted a pair of giant solar arrays in spaceâeach four kilometers in widthâsending their juice down to Earth via microwave beams to a receiving antenna with a seven-kilometer diameter. Musk received a 98 on what his professor deemed a âvery interesting and well written paper.â
A second paper talked about taking research documents and books and electronically scanning them, performing optical character recognition, and putting all of the information in a single databaseâmuch like a mix between todayâs Google Books and Google Scholar. And a third paper dwelled on another of Muskâs favorite topicsâultracapacitors. In the forty-four-pagedocument, Musk is plainly jubilant over the idea of a new form of energy storage that would suit his future pursuits with cars, planes, and rockets. Pointing to the latest research coming out of a lab in Silicon Valley, he wrote: âThe end result represents the first new means of storing significant amounts of electrical energy since the development of the battery and fuel cell. Furthermore, because the Ultracapacitor retains the basic properties of a capacitor, it can deliver its energy over one hundred times faster than a battery of equivalent weight, and be recharged just as quickly.â Musk received a 97 for this effort and praise for âa very thorough analysisâ with âexcellent financials!â
The remarks from the professor were spot-on. Muskâs clear, concise writing is the work of a logician, moving from one point to the next with precision. What truly stood out, though, was Muskâs ability to master difficult physics concepts in the midst of actual business plans. Even then, he showed an unusual knack for being able to perceive a path from a scientific advance to a for-profit enterprise.
As Musk began to think more seriously about what he would do after college, he briefly considered getting into the videogame business. Heâd been obsessed with video games since his childhood and had held a gaming internship. But he came to see them as not quite grand enough a pursuit. âI really like computer games, but then if I made really great computer games, how much effect would that have on the world,â he said. âIt wouldnât have a big effect. Even though I have an intrinsic love of video games, I couldnât bring myself to do that as a career.â
In interviews, Musk often makes sure that people know he had some truly big ideas on his mind during this period of his life. As he tells it, he would daydream at Queenâs and Penn and usually end up with the same conclusion: he viewed the Internet, renewable energy, and space as the three areas that would undergo significantchange in the years to come and as the markets where he could make a big impact. He vowed to pursue projects in all three. âI told all my ex-girlfriends and my ex-wife about these ideas,â he said. âIt probably sounded like super-crazy talk.â
Muskâs insistence on explaining the early origins of his passion for electric cars, solar energy, and rockets can come off as insecure. It feels as if Musk is trying to shape his life story in a