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How to think like a Renaissance man — or woman

Are you a polymath, too?

How to think like a Renaissance man — or woman
  • Some of the greatest scientists and artists were polymaths.
  • Renaissance men or polymaths are people who have mastered multiple disciplines and pursuits. The path towards becoming one doesn't always require some divine genius.
  • Interest in varied subjects and disciplines is the first step toward thinking like a polymath.

It's not easy branching into different subjects today and mastering them. The sheer amount of knowledge and intellectual vocations floating around is enough to keep a million da Vinci's busy for centuries. The amount of time and expertise many people dedicate to just one domain often leaves them bereft of any other subject mastery.

Yet, even today the staying power and mythologization of the polymath persists. There is good reason to believe that any scientific or civilization progress has been spurred and created off the backs of the multifaceted polymath. The alternative of hyper specialized disciplines has left us with siloed subfields and occluded knowledge which persists in some miasmic mix of cross-disciplinary stagnation and some kind of new scientific priest craft.

The prospects of learning how to think like a renaissance man pervade all levels of inquiry and culture. It's not just our top scientists who could learn to branch into new disciplines, but regular curious everyday people can benefit too.

Praise for the specialist and disdain of the generalist 

We often hear, somewhat disparagingly the phrase: "Jack of all trades, master of none." This maxim seems to be a commonality across multiple languages and cultures. For example, the Chinese also warn: "Equipped with knives all over, yet none is sharp."

Now when you think about it, this is some very misplaced common sense gone awry. Many of the most impactful individuals throughout human history have been men and women with an unbelievable amount of varied interests and talents. It is because of this very reason that they were so successful in whatever they did.

Writer Robert Twigger believes that this faulty way of thinking about specialization versus applied generalized mastery is due to a phenomenon in which he coined the word monopath. He states:

"We hear the descriptive words psychopath and sociopath all the time, but here's a new one: monopath. It means a person with a narrow mind, a one-track brain, a bore, a super-specialist, an expert with no other interests — in other words, the role-model of choice in the Western world."

He believes that this stems from an economic viewpoint of success. Just as it's become more efficient to interact with creating things through cut-off specialized points of contact – à la the assembly line production method, we seemed to have done the same thing with our own personal interests and talents.

Twigger then says:

"The monopathic model derives some of its credibility from its success in business. In the late 18th century, Adam Smith (himself an early polymath who wrote not only on economics but also philosophy, astronomy, literature and law) noted that the division of labour was the engine of capitalism. His famous example was the way in which pin-making could be broken down into its component parts, greatly increasing the overall efficiency of the production process."

Because of this economic value that specialization presents us with, we tend to abandon any other divergent passions that we might be interested in. On top of that, we are also under the false impression that any true learning stops once you reach a certain age.

Learning doesn’t stop once you get older

Many of us believe that our best learning years are behind us. Some of us might also feel like we missed the boat when it comes to natural talent. But all of these things are misrepresentations of how our mind and the acquisition of knowledge work.

While neurologically it's true that it's much easier to learn when we're younger, there's a part of our brain we have to exercise if we're going to continually learn and grow.

"It appears that a great deal depends on the nucleus basalis, located in the basal forebrain. Among other things, this bit of the brain produces significant amounts of acetylcholine, a neurotransmitter that regulates the rate at which new connections are made between brain cells.

This in turn dictates how readily we form memories of various kinds, and how strongly we retain them. When the nucleus basalis is 'switched on', acetylcholine flows and new connections occur. When it is switched off, we make far fewer new connections"

The nucleus basalis is completely "active" between birth and the ages of ten or eleven. Afterwards, it seems that our brains become more selective about the knowledge we hold. But this neurochemical process doesn't define us or what we can or cannot learn. It must be exercised if we're to learn to think like a renaissance man.

Looking back at those wondrous higher types of antiquities and the Renaissance, we begin to see many trends. A polymath is someone who's expertise flows like a flood, encompassing and saturating any field it comes across. 15th century polymath Leon Battista Alberti once wrote that a man can do anything that he wills. The ideal of perfection during the Renaissance was the master of all.

This great higher ideal of a human excelled in artistic, intellectual and even physical activities. Nothing was out of bounds for them. While all of this might conjure up imagery of the greats like Michelangelo, Goethe, or some other Faustian archetype… the polymath is something we can all subscribe to in some fashion. Polymaths in a way embody the childish curiosity made manifest into experience and doing.

Science fiction author Robert Heinlein once said:

"A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly.
Specialization is for insects."

Not everyone can be a genius, but everyone can engage in polymathic activity.

How Leonardo da Vinci thought about learning

"I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do." - Leonardo da Vinci

Contemplation leads to self-actualization once you set out to do something. The reason that someone like Leonardo was able to accomplish and do some much, is because he wasn't just content to question and learn about something then forget about it. He set himself into action and practice for everything that interested himself.

From great paintings, anatomical research, futuristic inventions and so on – Leonardo is a great guide for engaging in multiple fields and excelling in them.

Here are some general lessons that we can learn from da Vinci and other great thinkers.

  • Question all established schools of thought and start from the beginning. When Richard Feynman, renowned physicist, was younger he read and was inspired by Leonardo's notebooks. Richard set out to understand the world in its many multitudes of being and expression. He set out to explore the edges of our understanding and even question fundamentals we take for truth. In high school he once came to an independent discovery of trigonometry where he created his own symbols for trigonometric functions.
  • Don't limit yourself to only studying one minute slice of life. A great deal of people spend their entire lives only worrying about a few things. Sometimes it's even comical what nonsense people dedicate themselves to.
  • Learning is a never ending process that doesn't occur over a few days or weeks. It is a lifelong pursuit. There will be an enormous amount of failures and false starts along the way. But knowledge comes to those who persist in their studies.
  • Always record your thoughts in some manner. Whether it be through journaling, taking notes on your smartphone or voice memos. Whatever method you use, it must be able to capture your thoughts and experiences. There is even a theory called the Extended Mind, which posits that mental processes and your mind extend beyond yourself and into your environment. Creating notebooks could be a way of extending your cognition.

Overall, there is plenty of proof that multidisciplinary polymathy is a benefit to learning, self expression and scientific progress. There was a study at the University of Pennsylvania School of Medicine, which found that medical students were able to increase their observational recognition skills after taking an art class.

Whisking yourself away into the ancient halls of unbounded inquiry will not hinder your goals in life, they will instead facilitate you to new heights of greatness.

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Image source: carlos castilla/Shutterstock
  • Quantum particles can tunnel through seemingly impassable barriers, popping up on the other side.
  • Quantum tunneling is not a new discovery, but there's a lot that's unknown about it.
  • By super-cooling rubidium particles, researchers use their spinning as a magnetic timer.

When it comes to weird behavior, there's nothing quite like the quantum world. On top of that world-class head scratcher entanglement, there's also quantum tunneling — the mysterious process in which particles somehow find their way through what should be impenetrable barriers.

Exactly why or even how quantum tunneling happens is unknown: Do particles just pop over to the other side instantaneously in the same way entangled particles interact? Or do they progressively tunnel through? Previous research has been conflicting.

That quantum tunneling occurs has not been a matter of debate since it was discovered in the 1920s. When IBM famously wrote their name on a nickel substrate using 35 xenon atoms, they used a scanning tunneling microscope to see what they were doing. And tunnel diodes are fast-switching semiconductors that derive their negative resistance from quantum tunneling.

Nonetheless, "Quantum tunneling is one of the most puzzling of quantum phenomena," says Aephraim Steinberg of the Quantum Information Science Program at Canadian Institute for Advanced Research in Toronto to Live Science. Speaking with Scientific American he explains, "It's as though the particle dug a tunnel under the hill and appeared on the other."

Steinberg is a co-author of a study just published in the journal Nature that presents a series of clever experiments that allowed researchers to measure the amount of time it takes tunneling particles to find their way through a barrier. "And it is fantastic that we're now able to actually study it in this way."

Frozen rubidium atoms

Image source: Viktoriia Debopre/Shutterstock/Big Think

One of the difficulties in ascertaining the time it takes for tunneling to occur is knowing precisely when it's begun and when it's finished. The authors of the new study solved this by devising a system based on particles' precession.

Subatomic particles all have magnetic qualities, and they spin, or "precess," like a top when they encounter an external magnetic field. With this in mind, the authors of the study decided to construct a barrier with a magnetic field, causing any particles passing through it to precess as they did so. They wouldn't precess before entering the field or after, so by observing and timing the duration of the particles' precession, the researchers could definitively identify the length of time it took them to tunnel through the barrier.

To construct their barrier, the scientists cooled about 8,000 rubidium atoms to a billionth of a degree above absolute zero. In this state, they form a Bose-Einstein condensate, AKA the fifth-known form of matter. When in this state, atoms slow down and can be clumped together rather than flying around independently at high speeds. (We've written before about a Bose-Einstein experiment in space.)

Using a laser, the researchers pusehd about 2,000 rubidium atoms together in a barrier about 1.3 micrometers thick, endowing it with a pseudo-magnetic field. Compared to a single rubidium atom, this is a very thick wall, comparable to a half a mile deep if you yourself were a foot thick.

With the wall prepared, a second laser nudged individual rubidium atoms toward it. Most of the atoms simply bounced off the barrier, but about 3% of them went right through as hoped. Precise measurement of their precession produced the result: It took them 0.61 milliseconds to get through.

Reactions to the study

Scientists not involved in the research find its results compelling.

"This is a beautiful experiment," according to Igor Litvinyuk of Griffith University in Australia. "Just to do it is a heroic effort." Drew Alton of Augustana University, in South Dakota tells Live Science, "The experiment is a breathtaking technical achievement."

What makes the researchers' results so exceptional is their unambiguity. Says Chad Orzel at Union College in New York, "Their experiment is ingeniously constructed to make it difficult to interpret as anything other than what they say." He calls the research, "one of the best examples you'll see of a thought experiment made real." Litvinyuk agrees: "I see no holes in this."

As for the researchers themselves, enhancements to their experimental apparatus are underway to help them learn more. "We're working on a new measurement where we make the barrier thicker," Steinberg said. In addition, there's also the interesting question of whether or not that 0.61-millisecond trip occurs at a steady rate: "It will be very interesting to see if the atoms' speed is constant or not."

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