[HN Gopher] NYC Subway Rat Detector
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       NYC Subway Rat Detector
        
       Author : agomez314
       Score  : 65 points
       Date   : 2023-11-02 17:01 UTC (6 hours ago)
        
 (HTM) web link (transitapp.com)
 (TXT) w3m dump (transitapp.com)
        
       | solardev wrote:
       | It's not really a rat detector, just a crowd-sourced rat map from
       | in-app popup surveys.
        
         | atlasunshrugged wrote:
         | What are humans if not rat detectors?
        
           | solardev wrote:
           | Involuntary rat feeders?
        
       | atlasunshrugged wrote:
       | We have the same issue in DC (even in government buildings) and
       | desperately need a solution. I keep wondering if we can just go
       | old school/Istanbulian and have more community cats, which I
       | think would be enjoyable anyways but may end up producing some
       | different problems.
        
         | jncfhnb wrote:
         | Cats don't work against big urban rats
        
           | LeafItAlone wrote:
           | The solution then is obviously bigger cats
        
             | solardev wrote:
             | Or tastier rats
        
               | jncfhnb wrote:
               | It's not a lack of interest. They're just hard to catch
               | and fairly dangerous.
        
             | havblue wrote:
             | Obligatory Simpsons reference on how to get rid of pigeons
             | with lizards.
             | 
             | Skinner: Well, I was wrong; the lizards are a godsend.
             | 
             | Lisa: But isn't that a bit short-sighted? What happens when
             | we're overrun by lizards?
             | 
             | Skinner: No problem. We simply release wave after wave of
             | Chinese needle snakes. They'll wipe out the lizards.
             | 
             | Lisa: But aren't the snakes even worse?
             | 
             | Skinner: Yes, but we're prepared for that. We've lined up a
             | fabulous type of gorilla that thrives on snake meat.
             | 
             | Lisa: But then we're stuck with gorillas!
             | 
             | Skinner: No, that's the beautiful part. When wintertime
             | rolls around, the gorillas simply freeze to death.
        
           | zelias wrote:
           | Clearly the time has come to introduce a large number of rat-
           | eating snakes to the underground urban ecosystem
        
         | mschuster91 wrote:
         | Fix the food supply and the rats will go away.
        
           | cj wrote:
           | Picture of trash bags on the streets in NYC. Not sure if this
           | is the primary food source, but it certainly can't help. I've
           | never been in a city that routinely piles as much trash on
           | public sidewalks as NYC. (The picture below is common to see,
           | sadly it's not a journalist picking the worst image they can
           | find)
           | 
           | https://nyc.streetsblog.org/2022/03/22/trash-city-new-
           | york-i...
        
             | sandworm101 wrote:
             | It is specific to new York. They don't have back alleys
             | with dumpsters. Everything is left out on the curb in bags
             | for pickup daily.
        
             | TremendousJudge wrote:
             | I heard that they don't have trash containers like other
             | cities because it would take away parking space. Is there
             | truth to this claim?
        
               | pclmulqdq wrote:
               | The first part yes, the second part mostly no. It would
               | be an immensely complicated project, well into the 10s of
               | billions, to do this in New York, and most New Yorkers
               | actually don't mind living in filth.
               | 
               | As a project, it will take a mix of parking, road space,
               | sidewalk space, and bike lanes.
        
               | Jensson wrote:
               | The trash would take up less space if it was in a
               | container, so I don't think that argument makes sense.
               | Container is probably cheaper as well since it is less
               | work to empty.
               | 
               | Just looked at New York in street view and I see trash
               | bags lying on the streets taking up parking spots, a
               | small container would take up less space.
        
         | IIAOPSW wrote:
         | NYC already has this. Its called a "bodega kitty". As in the
         | cat that the owners of the local bodega (corner store) keep on
         | premise for exactly this purpose.
        
       | artursapek wrote:
       | There are rats everywhere under your feet in NYC. You can't see
       | 99.9% of them.
        
       | standardUser wrote:
       | I live in Manhattan and I see rats pretty often on the streets
       | and in the subway. But to be honest, they have never caused me
       | any problems. They'd obviously be a big problem if they got into
       | people's homes or businesses frequently, but that actually seems
       | very rare. It makes me wonder, other than people thinking they
       | are gross, what is the primary problem caused by rats in NYC?
       | They have a reputation for spreading disease, but what pathogens
       | are actually spread to people from rats these days?
        
         | jrockway wrote:
         | I think you can see how big the actual problem is when looking
         | at how solved the problem is. Since the problem isn't solved
         | and life goes on, it's probably not a huge deal. (Bed bugs are
         | probably similar. They really freak people out, but they don't
         | spread disease and many people don't even know that they're
         | being bitten, so they're everywhere. People being freaked out
         | doesn't justify a more expensive response. That said, mosquitos
         | do spread disease and aren't exactly eradicated, so maybe my
         | heuristic is wrong.)
        
           | DoingIsLearning wrote:
           | The heuristic is off. Urban rats are a vector for
           | Leptospirosis.
           | 
           | The only thing those three (rats, bedbugs, mosquitos) have in
           | common is that they reproduce faster than we can kill them
           | and they hide well.
        
             | neom wrote:
             | According to this there are less than 200 cases of
             | Leptospirosis a year in the US and most of them are in
             | Hawaii.
             | 
             | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9629868/
        
               | DoingIsLearning wrote:
               | That's because people have learned to keep their food
               | where rats can't pee on it. Doesn't mean they are not
               | disease carrying.
        
           | standardUser wrote:
           | To be fair, bedbugs have been shown to cause mental health
           | issues in victims as well has major issues with housing
           | security. I can't think of any such extreme problems with
           | rats! At least in the last couple centuries.
        
         | huehehue wrote:
         | Not trying to be facetious, the wikipedia page seems like a
         | good starting point
         | https://en.wikipedia.org/wiki/Rats_in_New_York_City
         | 
         | At a glance, rats are definitely ridden with fleas and disease,
         | but there doesn't seem to be good data on transmissions. I'd
         | still prefer not to have 10,000 tiny little catalysts for a new
         | wave of the plague scuttling under my feet.
        
           | phyzome wrote:
           | << The pathogens they carry include bacteria such as
           | Clostridium difficile (C. diff), Salmonella, E. coli, and
           | Leptospira. >>
           | 
           | Well, humans definitely carry at least three of those as
           | well...
           | 
           | << it is unclear how infectious the rats are to residents. >>
           | 
           | And yeah, that's the crux of it. We don't actually know if
           | it's a problem!
        
         | aidos wrote:
         | Obviously a little different but we got pet rats recently and
         | they're lovely little creatures. Super inquisitive and you have
         | to have a steady stream of ways to hide their food as a form of
         | enrichment so they don't get bored.
         | 
         | Apparently you can't readily keep them on their own because
         | they become depressed with the solitude.
         | 
         | 10/10 pet, would recommend.
        
           | neom wrote:
           | Hello fellow rat owner. I've had 13 rats through the years!
           | :)
           | 
           | One other great thing about rats, you can train them like
           | their little dogs:
           | 
           | https://www.youtube.com/watch?v=AV9z0c1hjnA
           | 
           | https://www.youtube.com/watch?v=VKLVm6rxaJA
           | 
           | (and yes, can't keep a rat alone, they get very depressed)
        
             | aidos wrote:
             | That's a lot of rats, but I can see why!
             | 
             | I was totally naive and unprepared going into it. As a
             | result, we got ours from people who had done a terrible job
             | with them. The cage was just wire levels with nothing for
             | them to explore. They're not well socialised and were
             | slowly working to build their trust. I should have known
             | that people who would name a pet "fridge" wouldn't be prize
             | keepers.
             | 
             | Anyway, we're giving them a much better life and I'm glad
             | we got them out of there.
        
               | neom wrote:
               | Apple sauce, whipped cream or watered down peanut butter
               | on the finger, you'll be best friends in no time. ;)
        
         | neom wrote:
         | The Black Death may not have been spread by rats after all:
         | 
         | https://www.gavi.org/vaccineswork/black-death-may-not-have-b...
         | 
         | Papers: https://www.pnas.org/doi/pdf/10.1073/pnas.2209816119
         | and https://www.pnas.org/doi/full/10.1073/pnas.1715640115
        
           | no_wizard wrote:
           | My bet is rats were _a_ vector, but not the only significant
           | vector. Its extremely hard to trace all vectors for a disease
           | with pinpoint levels of accuracy to say definitively that any
           | _one_ thing was the major cause.
           | 
           | At least, this is what I've learned studying public health
           | and how diseases spread thus far, anyway
        
         | mkmk wrote:
         | One metric that comes to mind is the # of restaurants that have
         | a health code inspection that detected presence of rats or
         | mice. This out-of-date post I found seems to have disturbingly
         | high % of restaurants with evidence of infestation, which
         | certainly seems like a problem.
         | https://firstwefeast.com/eat/2014/02/rat-map-shows-where-rat...
        
           | forgotmypw17 wrote:
           | You could say that this metric puts under question their
           | impact though?
        
         | forgotmypw17 wrote:
         | I agree with you. I like them, and I think they get a bad rap.
         | I think specieism is the next frontier after racism. The same
         | things we used to say about fellow humans that are no longer
         | accepted will be just as not OK to say about rats 50 years from
         | now, and their lives and experiences will be considered
         | important.
         | 
         | Rats, mice, and other creatures, get a lot of blame for things
         | they couldn't possibly be doing, just because of how prevalent
         | they are everywhere. They are just an easy target that cannot
         | speak for themselves and often do not have anyone to defend
         | them. For example, the Black Plague theory which was accepted
         | as fact for decades, if not centuries, was recently put under
         | question: https://www.google.com/search?q=black+plague+rats
        
           | yadaeno wrote:
           | Gees I sure hope humanity doesn't sink to this level where we
           | sacrifice out quality of live for the sake of pests. Humanity
           | already has enough problems to deal with.
           | 
           | Go to South America or work near trash. When rats start
           | falling through the ceiling when you're trying to sleep your
           | opinions will quickly change.
        
         | IIAOPSW wrote:
         | Rats are the reboot mammals just in case there's another
         | meteor.
        
         | tootie wrote:
         | Same. They are rarely an active nuisance although they
         | certainly can be. I don't recall seeing all that many recently
         | and it actually jibes with their results. The stations I
         | frequent ranked near the bottom.
        
           | standardUser wrote:
           | During pandemic I would see "herds" of rats going from trash
           | pile to trash pile at night. But even then, I didn't hear
           | about any material harm done to anyone. Other than being
           | freaked out by a crowd of 15 rats at once!
        
         | lbotos wrote:
         | They rip into trash, they spread food bits around, they chew
         | holes through things to get access to food.
         | 
         | (I live in Brooklyn)
        
         | klondike_ wrote:
         | Brown rats are an invasive species in North America and
         | interfere with the natural ecosystem. Some places have gone to
         | great lengths to eliminate them
         | 
         | https://www.alberta.ca/history-of-rat-control-in-alberta
        
           | ceejayoz wrote:
           | Rats (and pigeons) are arguably _the_ natural ecosystem _in
           | NYC_ , though.
        
       | marviel wrote:
       | Side comment -- on first blush, I just really like how friendly
       | the design is here.
       | 
       | Never used transit -- but may check it out next time I'm in NYC.
        
         | thecyborganizer wrote:
         | You can use Transit App in many cities around the world other
         | than New York! It's a great piece of software, I rely on it
         | heavily when navigating unfamiliar transit systems while
         | traveling.
         | 
         | https://transitapp.com/region#all-regions
        
         | Mister_Snuggles wrote:
         | I've got a love/hate relationship with Transit.
         | 
         | The data is very accurate. I think they take the data that the
         | transit agencies publish then layer on their own algorithms.
         | Whatever they do, the predictions of when the bus will show up
         | are really, really good.
         | 
         | The UI changed a while back and I really, really hate the UI.
         | It feels like it would be more at home on Android, but I'm not
         | an Android user so it just feels 'wrong'.
         | 
         | I really hate the Transit Royale thing, but only because my
         | city decided that paying $75k[0] to make transit information
         | more accessible to everyone wasn't worth it. They did, however,
         | spend $70k[1] to do a podcast series about zoning. To be clear,
         | the folks behind Transit deserve to get paid, this is a dumb
         | decision on the part of the City.
         | 
         | [0] https://www.cbc.ca/news/canada/edmonton/third-party-
         | transit-...
         | 
         | [1] https://edmontonjournal.com/news/local-news/edmonton-
         | paid-70...
        
         | bgribble wrote:
         | Over the past couple of years the MTA's real-time data has
         | gotten much, much better. Most stations have screens showing
         | when the next train(s) are arriving, including signs outside
         | the station near entrances. (now are they always working,
         | that's a different question).
         | 
         | I live in Brooklyn and my local train (C) is one of the worst
         | for reliability. It comes every 6-15 minutes during commutes,
         | so it's important to know exactly when the next train is coming
         | so you can hurry (or chill, if you have already missed the
         | train!). https://mta.info is the "horse's mouth" and, while
         | it's not a great UX, I much prefer it to going to any third-
         | party repackager's app or site.
         | 
         | Just for finding your way around the city, no need to look
         | further than Google Maps on mobile, which gives clear and
         | reliable subway directions, including scheduled service
         | interruptions. The only asterisk on that is that temporary
         | service interruptions are not always taken into account for
         | finding directions, but mta.info will always set you straight.
        
       | weinzierl wrote:
       | I attended a talk recently about LoRaWAN, because I was
       | interested in equipping my (kinda off-grid) house with
       | temperature sensors for the winter. To my surprise LoRaWAN
       | mousetraps seem to be a quite popular application. Eyeballing
       | from the map I'd say it was right after street light luminance
       | sensors. At the talk they also had a wide range of sensors on
       | display, including the mouse traps, which was quite interesting
       | to see. Unfortunately they were no live traps, only the
       | traditional design, just with a wireless network connection.
        
         | HeyLaughingBoy wrote:
         | This is so funny. Some time ago (2015 I think) I picked up my
         | first Beaglebone Black board and the only application I could
         | think of was a mousetrap activated detector. Some of my
         | mousetraps were up on floor joists in the basement so it was
         | hard to see if a mouse was caught or not. Add a makeshift
         | switch (a push pin on the mousetrap and some wire) and after
         | writing my first basic Android app, I could make a BLE
         | connection to the beaglebone to check the mouse caught status.
         | 
         | I think at one point I expanded it to serving a web page since
         | I had an Ethernet jack nearby.
        
       | wkat4242 wrote:
       | I think rats are cute. But cockroaches, yuck...
        
       | ChrisArchitect wrote:
       | I think maybe the developer shared this a month ago as a Show HN:
       | ?
       | 
       | https://news.ycombinator.com/item?id=37742481
        
       | sabujp wrote:
       | Take data from the rat subway detector, overlay it with the # of
       | restaurants/grocery stores in a given area, and i'd bet you'd
       | find a pretty good correlation. Follow the (thrown away) food.
        
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       (page generated 2023-11-02 23:02 UTC)