Confessions of a researchaholic

May 2, 2025

Fresh paint on the train platform

Filed under: Real — liyiwei @ 8:01 pm
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While waiting for the train I saw some workers painting an area of the platform with bright green color, which looked fresh, vibrant, and cheerful.
Unlike more complicated paintings that we might be self-conscious about quality, a simple rectangular region provides less room for worries.

I came back to the same spot 2 days later and found the painted areas marking spots for bike boarding, which should be helpful to let the passengers know where the bike trains will stop.


April 15, 2025

Early deaths of former colleagues

Filed under: Real — liyiwei @ 5:50 pm
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While waiting for an evening train I noticed a familiar face in this recommended article on my mobile phone, and was shocked to discover that two of my former MSR Asia colleagues are among the deceased.

I don’t know how much their deaths are related to the work pressures, but it is a good reminder that we should take care of our health.
There is a certain truth that “pain is temporary, suck is forever”, but none of these matters if one is not even around.

April 7, 2025

Flattened rodent

Filed under: Imaginary,Real — liyiwei @ 10:30 pm
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A few days ago I noticed a dead rodent flattened on the driveway, so decomposed that it is hard to tell whether it is a rat, a mouse, a gopher, a mole, a vole, or something else.

I transferred the dead body to the compost bin via a pair of tree branches.

Today, after the garbage was collected, I found the dead body still stuck to the bottom of the bin. So I picked it up (via the same pair of tree branches), stuffed it inside a gopher hole nearby, and covered the hole with the surrounding soil.


April 6, 2025

MUNI to the de Young Museum

Filed under: Real — liyiwei @ 6:32 pm
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Instead of driving, I experimented with taking MUNI bus 28 to the de Young Museum from the Daly City BART station. The stop was right north of the Golden Gate Park entrance, and I can walk through the Rose Garden on the way to the museum. The bus has a pretty frequent service (every 12 to 15 minutes, not too bad relative to the bay area public transport standards), wasn’t much slower than driving by my own along the (usually jammed) 19th avenue, and I could take time sighting the street and observing the fellow passengers. The bus was quite bumpy though, but fortunately I was well conditioned from riding the mini-buses in Hong Kong.

There is another MUNI line 44 that can lead directly to the museum, which I plan to try next time.

April 5, 2025

Artist versus communicator

Filed under: Imaginary,Real — liyiwei @ 7:19 pm
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My dad likes to make witful observations about international relations (one of his college majors). He made another one during our conversation this afternoon, which formed a very concrete picture in my mind.
I would like to visualize it with high quality and low latency, so I found a drawing that fits my mental structure with a quick web search, generatively expanded it via Photoshop, used it as reference for Adobe Firefly text-to-image generation, generatively replaced the top of the well in Photoshop, and finally added a decal over the frog’s back via Adobe Fresco.

This whole process took a significantly shorter amount of time than if I were to manually draw the whole thing.

I guess one distinction between a communicator and an artist (or a communicator mode versus an artist mode that could be switched within every individual depending on the needs and situations) is that the former has a pretty precise goal in mind and aims to complete the task as efficiently as possible, while the latter often starts without a clear goal and then gradually reaches the outcome via an iterative exploration process.

March 29, 2025

Taking a break at SIGGRAPH 2025 technical papers PC meeting

Filed under: Real — liyiwei @ 4:21 pm
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Reviewing/handling 20 papers plus attending an intense multi-day program committee meeting is probably a lot of work for some people, but nowadays it is almost like a break to me – reading papers in topics that I might not usually pay attention to, participating in a gathering of about 100 people (like a small conference) to catch up with old friends and get to know new faces, consuming more sweets in 3 days than I would normally do in a year, and temporarily stepping away from my usual product/leadership responsibilities.

https://www.behance.net/gallery/222673301/Your-SIN-is-required-to-claim-any-tax-refund-?

March 26, 2025

A big guy in a small airplane

Filed under: Real — liyiwei @ 3:31 pm
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Being a big guy like you must have many evolutionary advantages, such as sports, dating, and even fighting for survival (when the need arises). But on this small airplane with tiny seats, you are at a disadvantage. And trying to sweet talking to me won’t change the fact that you have to overflow your body mass towards my side, and your babbling is distracting me from napping and reviewing a paper assigned to me right before the flight.

Next time, buy a bigger seat or multiple seats. You never know if your next neighbor is a big guy like you.

March 13, 2025

Pleasant surprise by a party companion

Filed under: Real — liyiwei @ 8:28 pm
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I have been to three main types of parties serving food: buffets, small bites, and sit-down meals.
Buffets offer maximum flexibility as I can walk around eating whatever and talking to whomever.
I usually have difficulty with small bites as I don’t know what, when, and where will be carried by the waiters.
Sit-down meals tend to have the best quality, but also be most time-consuming and least flexible.

However, in a recent sit-down party, I was seated next to someone who has an unexpectedly interesting background as program managers working for several major tech companies. I learned about stuff that I wouldn’t usually hear from other researchers/engineers.

I guess this is one example benefit of stochastic sampling in social events.

February 18, 2025

Holiday time for exploratory fun

Filed under: Real — liyiwei @ 3:29 pm
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Monday the 17th is a holiday and I was pondering whether I should start a work task that I aimed to finish by the end of the week or spend time on more exploratory research. I decided to go for the latter as I realized that during my usual workdays I often feel enough obligation towards my collaborators for the former and I am the only one who can push myself for the latter.

My decision turned out to be correct for this particular one, as on Monday I had some fun tinkering with \href{https://glicol.org/}{computer music language} (that I have zero background with) and on Tuesday I immediately hit on issues that required responses from my colleagues upon starting the work task.

And I also spent some time doing some silly doodling:


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