"It’s the questions, not the answers, that make science the ultimate adventure."
by Brian Greene of Wired Magazine

Were some super-advanced alien civilization to swoop down to Earth with the definitive explanation of everything in the cosmos, there’d be excitement at first—it would be thrilling to have answers to the questions we’ve tussled with through the ages. But in short order, scientists worldwide would be utterly depressed. With no remaining mysteries, the scientific journey would halt.

Whenever I speak about this to middle and high school students, I am struck by how surprising they find it. To the vast majority, science is solely about answers—the material that’s sandwiched between the covers of their textbooks. It’s understandable. For the most part, we teach science as if it were a technical trade: Learn these facts about cells. Memorize these equations describing motion. Balance these reactions that underlie oxidation. And then demonstrate competence by passing an exam. With the lopsided focus on the end points of research, the scientific explorations themselves receive the most minimal attention.

But science IS the journey. Science is about immersing ourselves in piercing uncertainty while struggling with the deepest of mysteries. It is the ultimate adventure. Against staggering odds, a species that has walked upright for only a few million years is trying to unravel puzzles that are billions of years in the making. How did the universe begin? How was life initiated? How did consciousness emerge? Einstein captured it best when he wrote, “the years of anxious searching in the dark for a truth that one feels but cannot express.” THAT’S what science is about.

To be a scientist is to commit to a life of confusion punctuated by rare moments of clarity. When I leave the office at night, the confusion comes with me. Ruminating over these questions, seeking patterns, looking for hidden relationships, trying to make contact with measured data—it’s all uncertainty and possibility engaged in an endless chaotic dance. Every so often the blur resolves, but the respite is short-lived; the next puzzle demands focus. This, really, is the joy of being a scientist. Established truths are comforting, but it is the mysteries that make the soul ache and render a life of exploration worth living.

My own field of research, the quest for a unified theory, is no stranger to uncertainty. A unified theory seeks to meld Einstein’s theory of gravity, a framework that’s relevant when things are large, with quantum mechanics, a body of laws that come into play when things are small. We’ve known for half a century that each of these models works well in its own domain, but each also proclaims the other is defective. Melding the warring antagonists is essential to gaining insight into other great mysteries—what happened at the big bang, the true fate of matter crushed at the center of a black hole, even the nature of time. I began working on string theory—one of the most promising approaches—25 years ago, as a young graduate student hungry to make a mark on the physics world. It was an exhilarating period leading some to proclaim naively that the insights of string theory would be so sweeping that the end of physics was near. Of course, as more-seasoned observers knew, the end was not near. Even today, while we’ve witnessed stupendous progress and the resolution of problems many thought beyond reach, a final assessment of string theory remains elusive.

To some, this has been a disappointment. But that’s not how I see it. For me, the past decades of anxious searching have illuminated spectacular new landmarks: extra dimensions of space curled into tiny labyrinthine geometries, a cornucopia of universes bubbling up beyond the most distant cosmic horizon, the fabric of space and time being stitched from threads of vibrating strings. These are the partially formed, stunning possibilities that efforts have revealed so far. Are they right? I don’t know. No one does. There’s a chance that the new accelerator in Geneva, the Large Hadron Collider, may give us the first experimental insight.

Regardless of the outcome, the journey has been exhilarating, and through it I feel an emotional connection to the cosmos I don’t think I could have acquired any other way. My intuition tells me this particular odyssey will arrive at a promised land, perhaps confirming today’s theoretical insights, perhaps in a future form that will have evolved significantly. But if not, in the unlikely event that the work on which our generation has labored doesn’t make it into textbooks, I can live with that. It’s what happens along the way that radically enriches us. The wrestling with the mystery, not the ascension to resolution, defines who we are.

Greene, Brian. "Journey Into the Unknown". Wired May 2009: 017-018.

Views: 59

Comment by a7 on April 25, 2009 at 7:33pm

nice article, however i have to ask, and this is the question for me. What strated it all, the begining of the begining ?

On the super aliens i have fears, so they arrive and we get cures for everything, science learns about how and where this universe came from, add to that others as well but not the start of everything, they let us know they believe in their god and we must follow.

please take into factor my cannabis overdose while replying.

Comment by CJoe on April 25, 2009 at 9:39pm
Haha... indeed.
Comment by CJoe on April 25, 2009 at 9:43pm
Well, a7, I don't know. That's definitely a question I ask, too. To me, saying "god did it" is a cop out because we don't have the information. It stops the search, too. If we, as a species, always stopped at "it's god" we wouldn't be as "advanced" as we are.
Comment by Dave G on April 25, 2009 at 9:57pm
Considering that every time we find an answer, we tend to also find new questions, I find it difficult to believe that, should an advanced alien race arrive with vast knowledge, that there would not be new questions to answer, new vistas to explore. The more we know, the more we realize that there is to know. And I love it.
Comment by CJoe on April 25, 2009 at 10:19pm
Haha right Dave. I don't think the author is arguing that that scenario is possible but that IF we had all the answers, it would end up being disappointing after the initial respite from our questions. So, yeah... we all agree: we love the exploration and hope it never ends. Luckily, the end is no where in sight.


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