Confessions of a researchaholic

2011-02-02

A tale of two brothers

Filed under: Imaginary,Real — liyiwei @ 1:08 pm
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A long time ago in a place far far away, a pair of twin brothers were born. Their parents worked long hours, so they were put with different day care families. One of them, nicknamed Rat, lived with his grandfather. The other one, nicknamed Dog, lived with a retired nanny.

The grandfather was a former college professor who had nobody around to lecture on, so he force-fed Rat everything he knew, like chess, history, and classics literature. The grandfather was also a retired army officer, so he instilled discipline and self-control into Rat’s mentality and life style. Through this rigorous training, Rat absorbed everything happily, even though some of the subjects were clearly beyond his age (e.g. classics which should be for high school, not kindergarten, kids). At first grade he knew that history books are filled with lies written by the winners, and at fourth grade he beat his grandfather in a chess match. He was so ahead of his classmates that he found school very boring and thus got into a lot of troubles. To channel his excessive energy, Rat tried to pick up college calculus at fifth grade, but did not succeed until he was 15. Because he derived so much pleasure and satisfaction through learning new subjects and outperforming his peers, Rat spent more and more of his time studying, which further enhanced his satisfaction and achievement. He was in such a virtuous cycle that he did not recall taking any day off including holidays and weekends.

The retired nanny was barely literate, so she did not teach Dog much useful. She got up late and spent most of her time watching TV, so Dog did not learn a disciplined life style. Dog was slightly behind his classmates when he started school, and found school work arduous and unrewarding. Thus, he did not spend a lot of time studying, which made him further behind, which in turn further discouraged him. It also did not help that his father constantly compared him to his twin brother. Dog was in such a vicious cycle that he never fully realized his potential, even though he is an identical twin to his brother.

This tale is mostly fictitious (Dog is entirely made up even though Rat is partially based on myself), but I want to use it to illustrate three very important scientific principles applied to education, especially during early childhood.

Initial condition
Physics taught us that even a tiny little difference in the initial conditions can lead to dramatic differences in the eventual outcomes. This is why early childhood education is so important. By nature, kids do not want to be disciplined, so parents will have to enforce that. This is one of the biggest differences between Chinese and American mentalities for education, and for this, I am totally on the Chinese side. I would not have been what I am today if it were not for the rigorous training I received from my family when I was a little kid.

Compound interest
This is probably the most powerful concept in math and finance. Intelligence and confidence are accumulated in an exponential rather than a linear rate, due to the self feedback loop. Even a tiny difference in how hard you study everyday can lead to huge differences in the long run. I remember seeing a study showing the magic of merely studying one hour more per day. In my personal case, I did not take holidays or weekends off, and that is an automatic 40 percent more work than ordinary folks! I do not even have to be particularly smart or talented to outperform them.

Anchoring effect
This is one of the most well known effects in psychology. People judge things in a relative instead of absolutely scale (e.g. they are happier to receive 20 dollars if everyone else receives only 10 than to receive 40 dollars if everyone else receives 80). In the story above, Dog has absolutely the capability to be like his twin brother, but was frustrated by being compared/anchored relative to Rat and his classmates.

And of course, if the three principles are combined together their total effects would be even more significant.

In summary, if you really care for your children, give them tough love: instill discipline from early childhood, ask them to work as hard as they can in a daily basis, and try to encourage instead of frustrate them through proper peer comparison (e.g. identifying an aspect that the kids performs well relative to others and use that as an motivation). I do not have any kids now, but if I do that would be how I am going to bring them up.

2011-01-03

Competition

Filed under: Real — liyiwei @ 5:08 pm
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“Whatever I do, there are always people out there who are smarter, better, tougher, and harder working than me.”

I always keep this in mind and I have found it extremely helpful in keeping me humble and motivated.

I actually never understand why anyone would ever ask me questions like “how hard should I work?” or “how much time should I spend on my research?” Because you will never succeed until you truly appreciate the meaning of the quote above.

2010-11-23

Unpretentiousness

Filed under: Real — liyiwei @ 1:27 pm
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A few nights ago I went to a local Polish restaurant for dinner.

I booked it online only half an hour before the reservation time. (It was a cold raining night and I was looking for something warm and potentially exotic, and it is not uncommon for me to make snap decisions.) Upon arrival, the hostess, after flipping through a stack of fax papers, told me that she could not find my reservation. So they sit me in the high stool bar area. Obviously it is a newly opened restaurant; they do not have a computer reservation system (and thus receiving online bookings through a fax machine which obviously can drop your reservations especially those made on short notice) or even a cash register (they used pocket calculators and locked their cash in a small iron treasure box). They are obviously under-staffed; the host and hostess are the only people serving tables, and they are so obviously overwhelmed that I can see the later’s frustration through the white eyes she gave to the former. And not surprisingly, it took about eons to get my orders taken.

And yet this turned out to be my best dining experience in recent memory. Their kitchen did not seem to be understaffed as they churned out food pretty efficiently. Nor are they under-skilled; in fact, the dishes are very delicious, and surprisingly similar to the Taiwanese food in a good way. But the best part is the overall ambiance. Many of the guests are Polish (or at least Eastern European); this is not only a testament to the authenticity of the food but also gives the restaurant a local cozy family style warm and yet a bit foreign and exotic feeling. Furthermore, since I sit in the bar area, I can clearly see the inner workings of the hosts: how they cut the bread, calculate bills (using pocket calculators), pack to-go boxes, unlock/lock their treasure chest, pour wines, and show exasperations.

I did not fully realize why I like that Polish restaurant so much until another dining experience in a French restaurant. It is also a good restaurant with excellent ambiance and Ok food, but somehow the staff, by speaking in fake French accent, turned me off. After some analysis, I realized the key reason is pretentiousness. I am not sure if it is just me, but there is something genuinely charming about seeing people behave in their simple, direct, and natural manners. If a restaurant is understaffed, I would love to see them overwhelmed and exchange white eyes. And if you are obviously not French, I would find it very unnatural to hear a fake French accent.

Upon further analysis, it dawned on me that it also has a lot to do with the fact that I like to read people. I have a pretty good intuition on what people are thinking and feeling, and what kinds of personalities they have. And years of experience taught me that how trust-worthy people are and how well I can get along with them is positively correlated to how well I can read them. In particular, if someone tries to resist my reading, it is usually a sign that he or she is trying to hide something. And that is usually not a good sign according to my empirical evidence.

P.S. Here is the info for that Polish restaurant. If you are around the Bay Area, I highly recommend giving it a try. Just do not make reservation on a short notice unless you happen to also like sitting in the high stool bar area.


Bona Polish Restaurant
651-H Maloney Street, Menlo Park, CA 94025

2010-09-13

Talent is overrated

Filed under: Real — liyiwei @ 3:00 pm
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by Geoff Colvin

This book is really about “practice is underrated”, but I guess the editors need a more catching title for sales. The main point of the book is that effective practice is more important than other factors including specialty talent and general intelligence, and can overcome obstacles such as aging. The book even argues that creativity, commonly considered as a serendipitous process, is actually the result of significantly cumulative knowledge.

And it is not just about any practice, and aimless hard-working and experience will not help. Effective practice must be deliberate and satisfies the following properties: (1) it must be designed to improve specific performance, (2) it must be highly repeatable, (3) there should be continuous feedback, (4) it must be mentally demanding, and (5) it is usually not fun. I actually disagree with the last one, and fortunately the book also pointed out for certain high achievers, practice can be fun. So the last part of the book is about the most important question: why some people are motivated to go through all these hard practice to achieve excellence while others cannot. The most convincing explanation is that some initial small differences get amplified through a positive feedback look of practice and performance: when a kid, who gains a little bit edge on certain activity (either due to innate advantage or benign environment), can be motivated to practice a little bit harder and longer, which translates to even better performance, which motivates more practice, and the loop goes on.

I like this book as it fits my personal experience well. It has long puzzled me why some people have this innate drive to strive for the best while others do not, and this can happen among people with very similar genes and environments (e.g. siblings in the same family). The book also carries a positive message: anyone can achieve excellence if they are willing to go through the right kind of practice.

2010-09-05

The monk and the riddle

Filed under: Imaginary,Real — liyiwei @ 12:16 pm
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by Randy Komisar

This is such a good book that I wish I had read it earlier (but fortunately found it is not too late). The gist of the book is about the right mind set for starting up companies (it was published right before the dotcom bubble burst) but I believe the main points are equally applicable to other professions: (1) do what you want to do for the rest of your life and (2) be ambitious, aim for the very best, and do not settle for mediocrity.

Read the book to figure out what the riddle is about.

2010-08-25

The man who loved China

Filed under: Real — liyiwei @ 9:13 pm
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I am not interested in biography, but I approached this book due to the Needham question: why China was taken over by the west in science and technology around 1500 AD after the amazing advances in earlier times? I was hoping that this book will provide answers, even though I never realistically expected that since this is a question about history, and thus can never be verified scientifically.

Well, I was right about that, as obviously nobody has ever managed to answer the Needham question. But that does not really bother me for several reasons.

First, I, like many others who have been through both Chinese and American style educations, know the main reasons more or less, even though none of us can rigorously prove anything. But answering a historical question is not really the point. The point is to find remedies and solutions. That, fortunately, I, just like many others, already know how to do practically, as evident from our achievements in modern scientific and technological activities.

Second, as pointed out in the book, the Needham question might be moot anyway, as China seems to have regained its rigor and creativity. But I cannot fully agree with this point; I agree that China has been improving, but it still has work to do to catch up with the American level creativity. Even from the young Chinese students I am collaborating today I can still see a lot of old problems that probably have been accumulated through hundreds if not thousands years of bad cultural impacts. But this is obviously fixable at least in an individual level; the million dollar question is whether it is also possible in a large national or even ethnic wise scale.

The funny thing is that the Needham question was not formally addressed until at the epilogue of the book. So the book is really testing my patience. Fortunately, the main part of the book, essentially the biography of Joseph Needham, turns out to be a fascinating read.

I recommend this book to anyone, especially (ethnic) Chinese working in the field of science and technology.

2010-06-10

About work and motivation

Filed under: Real — liyiwei @ 3:55 pm
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Axiom: I only work for myself.

Theorem 1: If I ever want to work for a company, I try to find one that happens to want me to do what I want to work for myself. Thus, I get paid for working for myself, and no manager ever needs to bother to monitor or push me. Everybody is happy.

Theorem 2: I only collaborate with people who want to work on things that I want to work on. Thus, I never have to push or monitor them. A good example is a bunch of students who also want to do SIGGRAPH and who would work with me for free and who also would work their ass off (to the point that I have to mandate a curfew that everybody go home and sleep no later than 2 AM everyday).

Theorem 3: If an unfortunate temporary situation arises that the company wants me to work on something that I am not interested in, then I try to package my stuff so that I can continue to work on what I want but also make it appear to be something the company wants. However if the situation persists, go to Theorem 1.

2010-06-06

Take your time

Filed under: Real — liyiwei @ 12:20 pm
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When I was younger I always thought if I am smart enough I ought to be able to learn everything faster than normal (e.g. trying to pick up calculus at fifth grade but did not succeed until ninth). But as I grew older I gradually discovered that there are things that simply cannot and should not be accelerated. The universe moves at its own grace, and sometimes it is best to decipher its mystery simply by playing along.

Smart people can go faster, but intelligent people know when to take their time.

2010-06-04

Being myself

Filed under: Real — liyiwei @ 10:57 am
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If you were an unusual and eccentric kid growing up in a culture that encourages harmony and conformity, you might have been taught, either implicitly or explicitly through the family and school education, that you should hide your peculiarities and try to appear as a normal person.

Please do not heed such advices. Always try to be yourself as much as possible, up to your personal threshold of withstanding societal pressures that try to “hammer down every nail that sticks up” (a Japanese proverb).

In retrospect, this is a major source of unhappiness in my early life. And I did not fully realize it until very recently. I guess one has to grow to be extremely confident to be able to identify this issue and choose to disobey such social norms. (It also helps that I have been living under a more individualist culture later on.) Without being fully myself, I simply cannot wield my full power. I remember I did not get the job for one of the first interviews upon graduation. I was trying very hard to behave like a normal job candidate. Later on, that very same hiring manager saw a more true-to-myself performance in a conference, and told me that he would have hired me if I had performed that way.

So from now on I will be true to myself and do what I am destined to do. Get in my way at your own peril. Life is too short otherwise.

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