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Authors: Alan Lightman

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“What did you think about the Rasmussen application?” asks Besso.

“The bottle centrifuge?”

“Yes.”

“The shaft will vibrate too much to be useful,” says Einstein, “but the idea is clever. I think it would work with a flexible mounting that could find its own rotation axis.”

Besso knows what that means. Einstein will work up a new design himself and send it to Rasmussen without requesting payment or even acknowledgment. Often, the lucky recipients of Einstein’s suggestions don’t even know who revises their patent applications. Not that Einstein doesn’t enjoy recognition. A few years ago, when he saw the issue of
Annalen der Physik
bearing his first paper, he imitated a rooster for fully five minutes.

• 2 June 1905

A mushy, brown peach is lifted from the garbage and placed on the table to pinken. It pinkens, it turns hard, it is carried in a shopping sack to the grocer’s, put on a shelf, removed and crated, returned to the tree with pink blossoms. In this world, time flows backward.

A withered woman sits in a chair hardly moving, her face red and swollen, her eyesight almost gone, her hearing gone, her breathing scratchy like the rustle of dead leaves on stones. Years pass. There are few visitors. Gradually, the woman gains
strength, eats more, loses the heavy lines in her face. She hears voices, music. Vague shadows gather themselves into light and lines and images of tables, chairs, people’s faces. The woman makes excursions from her small house, goes to the market, occasionally visits a friend, drinks tea at cafés in good weather. She takes needles and yarn from the bottom drawer of her dresser and crochets. She smiles when she likes her work. One day her husband, with whitened face, is carried into her house. In hours, his cheeks become pink, he stands stooped over, straightens out, speaks to her. Her house becomes their house. They eat meals together, tell jokes, laugh. They travel through the country, visit friends. Her white hair darkens with brown streaks, her voice resonates with new tones. She goes to a retirement party at the gymnasium, begins teaching history. She loves her students, argues with them after class. She reads during her lunch hour and at night. She meets friends and discusses history and current events. She helps her husband with the accounts at his chemist’s store, walks with him at the foot of the mountains, makes love to him. Her skin becomes soft, her hair long and brown, her breasts firm. She sees her husband for the first time in the library of the university, returns his glances. She attends classes. She graduates from the gymnasium, with her parents and sister crying tears of happiness. She
lives at home with her parents, spends hours with her mother walking through the woods by their house, helps with the dishes. She tells stories to her younger sister, is read to at night before bed, grows smaller. She crawls. She nurses.

A middle-aged man walks from the stage of an auditorium in Stockholm, holding a medal. He shakes hands with the president of the Swedish Academy of Sciences, receives the Nobel Prize for physics, listens to the glorious citation. The man thinks briefly about the award he is to receive. His thoughts quickly shift twenty years to the future, when he will work alone in a small room with only pencil and paper. Day and night he will work, making many false starts, filling the trash basket with unsuccessful chains of equations and logical sequences. But some evenings he will return to his desk knowing he has learned things about Nature that no one has ever known, ventured into the forest and found light, gotten hold of precious secrets. On those evenings, his heart will pound as if he were in love. The anticipation of that rush of the blood, that time when he will be young and unknown and unafraid of mistakes, overpowers him now as he sits in his chair in the auditorium in Stockholm, at great distance from the tiny voice of the president announcing his name.

A man stands at the graveside of his friend, throws a handful
of dirt on the coffin, feels the cold April rain on his face. But he does not weep. He looks ahead to the day when his friend’s lungs will be strong, when his friend will be out of his bed and laughing, when the two of them will drink ale together, go sailing, talk. He does not weep. He waits longingly for a particular day he remembers in the future when he and his friend will have sandwiches on a low flat table, when he will describe his fear of growing old and unloved and his friend will nod gently, when the rain will slide down the glass of the window.

• 3 June 1905

Imagine a world in which people live just one day. Either the rate of heartbeats and breathing is speeded up so that an entire lifetime is compressed to the space of one turn of the earth on its axis—or the rotation of the earth is slowed to such a low gear that one complete revolution occupies a whole human lifetime. Either interpretation is valid. In either case, a man or woman sees one sunrise, one sunset.

In this world, no one lives to witness the change of the seasons. A person born in December in any European country
never sees the hyacinth, the lily, the aster, the cyclamen, the edelweiss, never sees the leaves of the maple turn red and gold, never hears the crickets or the warblers. A person born in December lives his life cold. Likewise, a person born in July never feels a snowflake on her cheek, never sees the crystal on a frozen lake, never hears the squeak of boots in fresh snow. A person born in July lives her life warm. The variety of seasons is learned about in books.

In this world, a life is planned by light. A person born at sunset spends the first half of his life in nighttime, learns indoor trades like weaving and watchmaking, reads a great deal, becomes intellectual, eats too much, is frightened of the vast dark outdoors, cultivates shadows. A person born at sunrise learns outdoor occupations like farming and masonry, becomes physically fit, avoids books and mental projects, is sunny and confident, is afraid of nothing.

Both sunset and sunrise babies flounder when the light changes. When sunrise comes, those born at sunset are overwhelmed by the sudden sight of trees and oceans and mountains, are blinded by daylight, return to their houses and cover their windows, spend the rest of their lives in half light. When sunset comes, those born at sunrise wail at the disappearance
of birds in the sky, the layered shades of blue in the sea, the hypnotic movement of clouds. They wail and refuse to learn the dark crafts indoors, lie on the ground and look up and struggle to see what they once saw.

In this world in which a human life spans but a single day, people heed time like cats straining to hear sounds in the attic. For there is no time to lose. Birth, schooling, love affairs, marriage, profession, old age must all be fit within one transit of the sun, one modulation of light. When people pass on the street, they tip their hats and hurry on. When people meet at houses, they politely inquire of each other’s health and then attend to their own affairs. When people gather at cafés, they nervously study the shifting of shadows and do not sit long. Time is too precious. A life is a moment in season. A life is one snowfall. A life is one autumn day. A life is the delicate, rapid edge of a closing door’s shadow. A life is a brief movement of arms and of legs.

When old age comes, whether in light or in dark, a person discovers that he knows no one. There hasn’t been time. Parents have passed away at midday or midnight. Brothers and sisters have moved to distant cities, to seize passing opportunities. Friends have changed with the changing angle of the sun.
Houses, towns, jobs, lovers have all been planned to accommodate a life framed in one day. A person in old age knows no one. He talks to people, but he does not know them. His life is scattered in fragments of conversation, forgotten by fragments of people. His life is divided into hasty episodes, witnessed by few. He sits at his bedside table, listens to the sound of his running bath, and wonders whether anything exists outside of his mind. Did that embrace from his mother really exist? Did that laughing rivalry with his school friend really exist? Did that first tingle of lovemaking really exist? Did his lover exist? Where are they now? Where are they now, as he sits at his bedside table, listening to the sound of his running bath, vaguely perceiving the change in the light.

• 5 June 1905

From a description of the location and appearance of rivers, trees, buildings, people, all would seem common. The Aare bends to the east, is sprinkled with boats carrying potatoes and sugar beets. Arolla pines dot the foothills of the Alps, the trees’ cone-laden branches curving upward like arms of a candelabrum. Three-storey houses with red-tiled roofs and dormer windows sit quietly on Aarstrasse, overlooking the river. Shopkeepers on Marktgasse wave their arms at all passersby, hawking handkerchiefs, fine watches, tomatoes, sour bread, and
fennel. The smell of smoked beef wafts down the avenues. A man and woman stand on their small balcony on Kramgasse, arguing and smiling while they argue. A young girl walks slowly through the garden at the Kleine Schanze. The large redwood door of the Post Bureau opens and closes, opens and closes. A dog barks.

But seen through the eyes of any one person the scene is quite different. For example, one woman sitting on the banks of the Aare sees the boats pass by at great speed, as if moving on skates across ice. To another, the boats appear sluggish, barely rounding the bend in the whole of the afternoon. A man standing on Aarstrasse looks at the river to discover that the boats travel first forwards, then backwards.

These discrepancies are repeated elsewhere. Just now a chemist is walking back to his shop on Kochergasse, having taken his noon meal. This is the picture he sees: two women gallop past him, churning their arms wildly and talking so rapidly that he cannot understand them. A solicitor runs across the street to an appointment somewhere, his head jerking this way and that like a small animal’s. A ball tossed by a child from a balcony hurtles through the air like a bullet, a blur barely visible. The residents of no. 82, just glimpsed through
their window, fly through the house from one room to the next, sit down for an instant, shovel down a meal in one minute, disappear, reappear. Clouds overhead come together, move apart, come together again with the pace of successive exhales and inhales.

On the other side of the street, the baker observes the same scene. He notes that two women leisurely stroll up the street, stop to talk to a solicitor, then walk on. The solicitor goes into an apartment at no. 82, sits down at a table for lunch, walks to the first-floor window where he catches a ball thrown by a child on the street.

To yet a third person standing under a lamppost on Kochergasse, the events have no movement at all: two women, a solicitor, a ball, a child, three barges, an apartment interior are captured like paintings in the bright summer light.

And it is similar with any sequence of events, in this world where time is a sense.

In a world where time is a sense, like sight or like taste, a sequence of episodes may be quick or may be slow, dim or intense, salty or sweet, causal or without cause, orderly or random, depending on the prior history of the viewer. Philosophers sit in cafés on Amthausgasse and argue whether time really
exists outside human perception. Who can say if an event happens fast or slow, causally or without cause, in the past or the future? Who can say if events happen at all? The philosophers sit with half-opened eyes and compare their aesthetics of time.

Some few people are born without any sense of time. As consequence, their sense of place becomes heightened to excruciating degree. They lie in tall grass and are questioned by poets and painters from all over the world. These time-deaf are beseeched to describe the precise placement of trees in the spring, the shape of snow on the Alps, the angle of sun on a church, the position of rivers, the location of moss, the pattern of birds in a flock. Yet the time-deaf are unable to speak what they know. For speech needs a sequence of words, spoken in time.

• 9 June 1905

Suppose that people live forever.

Strangely, the population of each city splits in two: the Laters and the Nows.

The Laters reason that there is no hurry to begin their classes at the university, to learn a second language, to read Voltaire or Newton, to seek promotion in their jobs, to fall in love, to raise a family. For all these things, there is an infinite span of time. In endless time, all things can be accomplished. Thus all things can wait. Indeed, hasty actions breed mistakes.
And who can argue with their logic? The Laters can be recognized in any shop or promenade. They walk an easy gait and wear loose-fitting clothes. They take pleasure in reading whatever magazines are open, or rearranging furniture in their homes, or slipping into conversation the way a leaf falls from a tree. The Laters sit in cafés sipping coffee and discussing the possibilities of life.

The Nows note that with infinite lives, they can do all they can imagine. They will have an infinite number of careers, they will marry an infinite number of times, they will change their politics infinitely. Each person will be a lawyer, a bricklayer, a writer, an accountant, a painter, a physician, a farmer. The Nows are constantly reading new books, studying new trades, new languages. In order to taste the infinities of life, they begin early and never go slowly. And who can question their logic? The Nows are easily spotted. They are the owners of the cafés, the college professors, the doctors and nurses, the politicians, the people who rock their legs constantly whenever they sit down. They move through a succession of lives, eager to miss nothing. When two Nows chance to meet at the hexagonal pilaster of the Zähringer Fountain, they compare the lives they have mastered, exchange information, and glance at their watches. When two Laters meet at the same location, they ponder
the future and follow the parabola of the water with their eyes.

The Nows and Laters have one thing in common. With infinite life comes an infinite list of relatives. Grandparents never die, nor do great-grandparents, great-aunts and great-uncles, great-great-aunts, and so on, back through the generations, all alive and offering advice. Sons never escape from the shadows of their fathers. Nor do daughters of their mothers. No one ever comes into his own.

BOOK: Einstein's Dreams
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