Want to Remember Everything You'll Ever Learn? Surrender to This Algorithm
The failure of SuperMemo to transform learning uncannily repeats the earlier failures of cognitive psychology to influence teachers and students. Our capacity to learn is amazingly large. But optimal learning demands a kind of rational control over ourselves that does not come easily. Even the basic demand for regularity can be daunting. If you skip a few days, the spacing effect, with its steady march of sealing knowledge in memory, begins to lose its force. Progress limps. When it comes to increasing intelligence, our brain is up to the task and our technology is up to the task. The problem lies in our temperament.
The Baltic Sea is dark as an unlit mirror. Wozniak and I walk along the shore, passing the wooden snack stands that won't be open until spring, and he tells me how he manages his life. He's married, and his wife shares his lifestyle. They swim together in winter, and though Polish is their native language, they communicate in English, which she learned with SuperMemo. Wozniak's days are blocked into distinct periods: a creative period, a reading and studying period, an exercise period, an eating period, a resting period, and then a second creative period. He doesn't get up at a regular hour and is passionate against alarm clocks. If excitement over his research leads him to work into the night, he simply shifts to sleeping in the day. When he sits down for a session of incremental reading, he attends to whatever automatically appears on his computer screen, stopping the instant his mind begins to drift or his comprehension falls too low and then moving on to the next item in the queue. SuperMemo graphs a distribution of priorities that he can adjust as he goes. When he encounters a passage that he thinks he'll need to remember, he marks it; then it goes into a pattern of spaced repetition, and the information it contains will stay in his brain indefinitely.
"Once you get the snippets you need," Wozniak says, "your books disappear. They gradually evaporate. They have been translated into knowledge."
As a science fiction fan, I had always assumed that when computers supplemented our intelligence, it would be because we outsourced some of our memory to them. We would ask questions, and our machines would give oracular — or supremely practical — replies. Wozniak has discovered a different route. When he entrusts his mental life to a machine, it is not to throw off the burden of thought but to make his mind more swift. Extreme knowledge is not something for which he programs a computer but for which his computer is programming him.
I've already told Wozniak that I am not optimistic about my ability to tame old reading habits in the name of optimized knowledge. Books, for me, are not merely sources of information I might want to load into memory but also subjective companions, almost substitute people, and I don't see why I would want to hold on to them in fragments. Still, I tell him I would like to give it a shot.
"So you believe in trying things for yourself?" he asks.
This provides his opening. "In that case, let's go swimming."
At the edge of the sea, I become afraid. I'm a strong swimmer, but there's something about standing on the beach in the type of minuscule bathing suit you get at the gift shop of a discount resort in Eastern Europe, and watching people stride past in their down parkas, that smacks of danger.
"I'm already happy with anticipation," Wozniak says.
"Will I have a heart attack?"
"There is less risk than on your drive here," he answers.
I realize he must be correct. Poland has few freeways, and in the rural north, lines of cars jockey behind communist-era farm machinery until they defy the odds and try to pass. There are spectacular wrecks. Wozniak gives close attention to the qualitative estimate of fatal risks. By graphing the acquisition of knowledge in SuperMemo, he has realized that in a single lifetime one can acquire only a few million new items. This is the absolute limit on intellectual achievement defined by death. So he guards his health. He rarely gets in a car. The Germans on the beach are staring at me. I dive in.
Philosopher William James once wrote that mental life is controlled by noticing. Climbing out of the sea and onto the windy beach, my skin purple and my mind in a reverie provoked by shock, I find myself thinking of a checklist Wozniak wrote a few years ago describing how to become a genius. His advice was straightforward yet strangely terrible: You must clarify your goals, gain knowledge through spaced repetition, preserve health, work steadily, minimize stress, refuse interruption, and never resist sleep when tired. This should lead to radically improved intelligence and creativity. The only cost: turning your back on every convention of social life. It is a severe prescription. And yet now, as I grin broadly and wave to the gawkers, it occurs to me that the cold rationality of his approach may be only a surface feature and that, when linked to genuine rewards, even the chilliest of systems can have a certain visceral appeal. By projecting the achievement of extreme memory back along the forgetting curve, by provably linking the distant future — when we will know so much — to the few minutes we devote to studying today, Wozniak has found a way to condition his temperament along with his memory. He is making the future noticeable. He is trying not just to learn many things but to warm the process of learning itself with a draft of utopian ecstasy.
Contributing editor Gary Wolf (email@example.com) wrote about futurist Ray Kurzweil in issue 16.04.