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user070223on Bolivia's little-known African tribal kingdom (2021)

McDonalds flopped in Bolivia :)

user070223on Bolivia's little-known African tribal kingdom (2021)

Cochabamba(Chapare) indeed known for gangs and drugs, and also for the water war against privatization of water company(influenced James bond Quantom of solace)

In 2019 there were protests after alleged election fraud, Evo morales the president fled out of the country

In La Paz was a hotspot for tourists abduction in the early 2000s, there is also a known market of stolen goods

I had a visit from Interpol in a hostel in Sucre couple of years ago

https://en.wikipedia.org/wiki/Cochabamba_Water_War https://en.wikipedia.org/wiki/2019_Bolivian_protests

user070223on Bolivia's little-known African tribal kingdom (2021)

The Charango and the Siku are Iconic in my opinion

https://www.youtube.com/watch?v=8kQZHYbZkLs https://www.youtube.com/watch?v=xnqXtz3sxjU

https://en.wikipedia.org/wiki/Charango https://en.wikipedia.org/wiki/Siku_(instrument)

user070223on New Foundations is consistent – a difficult mathematical proof proved using Lean

See also discussion on reddit with one of the creators.[0]

https://old.reddit.com/r/math/comments/1ca6bj8/new_foundatio...

user070223on Ask HN: How to manage phones and PCs for elderly parents?

Not for managing phone, but I highly recommend https://baldphone.com/ as Android UI/skin for elderly

user070223on Google Pixel camera consistently blurring out The North Face logo

Wasn't able to replicate with a 4a I wonder whether it's realted to the case where North Face "defaced"[0] Wikipedia by changing photos in the site which shows their logo in order to boost brand awareness in google image search results

[0] https://wikimediafoundation.org/news/2019/05/29/lets-talk-ab...

user070223on Bioregions 2023

An excellent explanation can be found in a video[0] which also relies on the "Marine Ecoregions of the World" by Spalding referenced in the OP article.

[0] https://www.youtube.com/watch?v=WE2ukQOWBIw

user070223on Today I learned you can pause the Windows Task Manager moving apps around

My tip: download sysinternals procexp(taskmgr with more features) (or download the entire suite, possibly from the microsoft store), on the menu you have the option to permenantly replace the taskmgr

user070223on The Nature of Glass: Technologies of Transparency, Materials on the Move

"The Glass Age"[0](multipart) by Adam Savage and Jamie Hyneman

[0] https://www.youtube.com/watch?v=12OSBJwogFc

user070223on Geothermal Ahead of Schedule

I guess you're hinting towards Switzerland special voting system :)

user070223on Unshackle: A tool to bypass Windows and Linux password logins

On a simlliar note: Has anyone succefully installed yubikey windows 10(home) login for local accounts? They rereleased it for windows 10 I think(version 2+), but it never worked for me (apperently they relased a new version 2.11 recently for 11 & 10(22h2 fix), which I haven't tried)

user070223on Vacuum airship

Though total vacuum is not that attractive, you could mix the idea with hydrogen/helium. My question is whether it's being used today, and how much would it cost / save

Previous discussion https://news.ycombinator.com/item?id=8170569

user070223on Geothermal Ahead of Schedule

Fracking for geothermal induces earthquake[0], so I wonder what's new / who would risk it.

[0] https://en.wikipedia.org/wiki/Induced_seismicity_in_Basel

user070223on Japanese words of Portuguese origin

Related "Why Portuguese Food is Hiding Everywhere"[0]

[0] https://www.youtube.com/watch?v=eiXtAPfMj6o

user070223on Can Chess, with Hexagons? [video]

Interested in an engine piece valuation and "novelties" (like capture towards the edge, or perhaps overpowered openings)

user070223on Ask HN: Stubhub buying their own tickets under fake names?

https://namegrep.com/#%28%3Acolors%3A%7Ccrimson%7Camber%7Cem...

None of the the domains listed in this thread appear to be taken (the site uses godaddy to verify, and is updated every 24h), but there are others in this scheme that may be related.

user070223on The world’s most liveable cities in 2023

The #1 city, Vienna, has cheap rents (https://www.youtube.com/watch?v=U--G3Uth8pE)

user070223on Maps distort how we see the world

Navigation concerns these days may include getting as fast as possbile(i.e traveling on the geodesic), avoiding bad weather areas(forecasts), using the least fuel as possible etc..

Stereographic projection(of the half sphere where the origin and destination lies on) solves the geodesic issue, and it's different from the Meractor

user070223on How the lemon was invented (2018)

That What I remember from this excellent documentary about citrus[0].

I would also plug "Weird explorer" playlist on citrus[1]. His youtube channel where he tries to cover as much fruits as he can(his estimate is around 1% of all fruits)

[0] https://www.youtube.com/watch?v=XkMKJCvJKBk

[1] https://www.youtube.com/watch?v=diy5s8_gNYM&list=PLvGFkMrO1Z...

user070223on What happened with ASUS routers this morning?

I had brief disconnect from one of my routers earlier Now I try to update the ASUS firmware and get this Error "The router cannot connect to ASUS server to check for the firmware update. Please download the latest firmware from ASUS Product Support Site and do manually upgrade. Check on FAQ for more instructions."

user070223on How Does an FPGA Work?

From my understanding

FPGA doesn't have the instruction pipeline as the command is encoded in the gates themselves. It means that on runtime the FPGA is not turing complete[0] as opposed to the CPU[1].

There is a phrase "data is code and code is data" in security context. The new saying if FPGA would ever replace cpus' as the main computation hardware(as you don't need turing complete when you keep using the same apps[microservices]) is something like "code is execution and execution is code" as you imprint the code in the gates. It would get rid of a whole class/subclass of memory safety vulernabilitie.

This paradigm change is like what webassembly did to the web. The slogan should be "make the bitstream go mainstream" Some made a demo running wasm on fpga[1], not sure if using a cpu or directly

of course you move complexity to compiling, and increase loading speed, all for order of magnitude faster execution

Companies devloped high level synthesis compilers but it's diffcult and challenging as you need to synchronize parallel excution piplines which you don't have to in cpu since it has steady clock rate for each step in the pipeline

A copmany named legup computing(acquired by microchip) compiled memcached/redis applications to fpga and improved perfromance & power efficency by an order of magnitude(10x)

There are a lot of intellectual properties in hardware design as opposed to software so tools and knowledge is scarce.

If anyone works / want to work on this problem hit me up in the comments

[0] Unless you implement a cpu on top of the fpga :)

[1] Assuming infinte memory, which is false, but good enough

[2] https://github.com/denisvasilik/wasm-fpga

user070223on The Vowel Space [video]

I've built real time mobile app to provide visual feedback for vowel articulation based on the formants[0](2d/3d) graph and live recording to teach accent, still need more work, and data for different languages (as the "accepted" vowel region, i.e the region where a native speaker expects the vowel to exist is somewhat different between languages and dialects)

The problem is that when someone tries to learn a new language after years of exposure to his own language, he never really practices pronunciation usually because there are fewer vowels in his language so they map to bigger regions.

I'm sure many people had the experience that said something to native english speaker which they were sure they said correct but the listener just had a blank face and didn't understand.

As this is very delicate thing (see vowel shift) I'd rather get it right the first time and not teach something wrong but one could make his own vowel chart approximation[1] (Although it's not that consistent, and there are multiple algorithm which would produce different results). I would also like to expand it to consonants

There is a good physical explanation for why vowels are charachterized by formants. With vowels you don't restrict the airflow so the pitch wavecreated in the vocal cords travels in 3d in the vocal tract some would go straight to the exit, and some would bounce so there is destructive interference patterns in most places but for some frequencies(overtones) there is a constructive interference so the amplitude('energy') for that frequency is higher. One could model it with quadrilateral pipes of different length and shape as described in the video. I think the frequency change from you pitch is due to the 'bouncing' on the vocal tract some energy would be Refracted and some would reflect

Another cool thing about the vowel space is that the most common vowels are the one that lies on the boundary of the chat as far from each other(highest diff between the formants), this is of course increases understanding as there is a clear cut betweeen the different sounds, but if you could teach clear distinction you could "pack" more data at the same time.

Teachings kids to distinguish more precisly between vowels is just like teaching them "Color terms"[2]

[0] https://en.wikipedia.org/wiki/Formant [1] https://www.youtube.com/watch?v=BGW8J4cG0qY [2] https://en.wikipedia.org/wiki/Color_term

user070223on Quantum physics falls apart without imaginary numbers

That what Carl bender talks about[0] That quantized nature is due to are ability to only measure only real values, which can be a sparse subset(Null set) placed on different sheets of the complex function, like qunatized energy levels of the electron in atoms. He also talk about research showing that exactly what happens when setting an experiment such that there is an interference which I briefly looked at a while back.

[0] https://www.youtube.com/watch?v=_Sm7SNlNUOI&list=PLOFVFbzrQ4...

user070223on Why do ships use “port” and “starboard” instead of “left” and “right?”

user070223on Supercentenarian records show patterns indicative of errors and pension fraud (2020)

apperantly Dodo birds has marking on the bones[0] which researchers interpert it as time they struggled to find resources (simillar to tree where you move between wet and dry season). I guess one could cross reference times of femine to a skeleton with known lifetime to see if it shows up in humans as well.

[0] https://youtu.be/Juci-kAqjes?t=219

user070223on If parrots can talk, why can’t monkeys?

I'm pretty sure descended larynx is not prequisite for producing vowels. Vowels are merely overtones which occurs because the waves generated in the vocal folds(with a charachtrized fundamental frequency) travel the vocal tract in 3d, which causes destructive interference for most frequencies except those with constructive interference (overtones / formants) When humans move that tongue and lips we basically change the vocal tract shape which changes the overtones, the larynx is behind the lips and behind/in the back of the tongue anyway.

user070223on Jacob Ziv (LZ77) has died

Two month after the death of his collaberator Abraham Lempel. RIP :(

user070223on Perturbation Theory

Carl Bender lecture series is excellent [0]

[0] https://www.youtube.com/watch?v=LYNOGk3ZjFM&list=PLzcd6SoIsc...

user070223on Regenerating Jordan’s native forests

Currently they're fighting desertification in africa(and china) with the "Great Green Wall".[0] [0] https://en.wikipedia.org/wiki/Great_Green_Wall_(Africa)

user070223on Who Blew Up Nord Stream? Investigators Focus on Mysterious Passengers on a Yacht

You assume the bomb was placed, and not dropped with weight or with underwater "drone"[0](Hilarious). 80 meters is probably not too deep for Sonar/Lidar for spotting the pipe, Xprize Ocean discovery comes to mind. In addition top free diver athletes do dive for 80+ meters[1].

[0] https://www.youtube.com/watch?v=FwIWG5_rgC0 [1] https://www.youtube.com/watch?v=aV2kBfhqkGk