HNHacker News
TopNewBestAskShowJobs

terminalhealth

190 karma · joined May 13, 2019

submissionscomments
terminalhealth··on The world is running out of sand and there’s a violent black market (2018)
Are there good alternative building materials? Perhaps wood?

Edit: It seems I am shadow banned. I am going to take this as a deep insult.

terminalhealth··on Three Years of Misery Inside Google, the Happiest Company in Tech
Thanks. Us full-time nerds sometimes need to be reminded that people have all this emotional baggage. It is actually scientifically clear that women are childlike, both in physique (relatively large eyes and heads, shorter, weaker) and behavior (crying, emotional instability, docility etc.). Admittedly, the effects of modesty have never been studied scientifically to my knowledge, but it seems very logical that tabooing sexual signals should reduce bad feelings due to sexual competition, envy, mate guarding etc.
terminalhealth··on Three Years of Misery Inside Google, the Happiest Company in Tech
Could you explain what exactly makes this flamebaiting? I find the lack of modesty in the West at times appalling, so I can empathize with cultures with strict levels of modesty. It is also quite clear that women tend to behave more childlike and are less willing to take on responsibility. So it's not oppression, but cultural adaptations to biological realities. That's all.
terminalhealth··on Three Years of Misery Inside Google, the Happiest Company in Tech
Hitting a child is probably counter-productive. Scolding it all the time is definitely counter-productive. Scolding it in extreme situations is quite effective in my experience; this is what I was referring to.
terminalhealth··on Theories of Error Back-Propagation in the Brain
> If you look through a neuroscience textbook section on memory systems, it's commonly suggested that the hippocampus does the one shot learning and transfers that over time to the cortex. This is backed up by clinical case studies.

HC's role in episodic memory and consolidation via dreams seems kinda plausible, though I would not put much weight on it. I think dreams are a way of training a GAN-like discrimination between reality and imagination:

http://gershmanlab.webfactional.com/pubs/GenerativeAdversari...

Repetition of any kind likely does improve the model, even if it's merely simulation/dreaming.

> AlphaGo's Monte Carlo search + neural network

I think, in effect, MCTS amounts to something like bagging/boosting/mixture of experts, as it computes a weighted average of the predictions when exploring different branches. But sure, the search mechanism implements a function which a recurrent neural network could probably not discover as it hides behind substantial discontinuities in fitness landscape (it's not a structure which you can uncover step by step, but you immediately need tree structure, a search recursion etc.). The RNN would likely need to conceptualize the search process (subvocally but) linguistically like humans do, which requires structure for the sequential composition of stable prototypes (symbols) which likely requires a one-shot sequential memory. I think even the human mind does not literally do MCTS (would require an overhead that the brain is just not capable of), but some heuristic approximation thereof. The brain can simulate MCTS by linguistic means, though, even if it's just words of wisdom like "take counsel with your pillow", which literally means explore the hypothesis space some more and let the temporal differences backup better value estimates.

terminalhealth··on Xfce 4.14
> I stopped using GTK applications a while ago

So you're only using something like ‎i3, ‎XMonad or ‎dwm?

terminalhealth··on Theories of Error Back-Propagation in the Brain
> recurrent projections would need to (1) form a 3rd party connection at every synapse and (2) know which synapses were to blame for the error

The most striking result in this regard is that one can get backprop with random backprojections. It works regardless because, on average, the error vector will be less than 90° from the true error vector (which is good enough for hillclimbing) and the dynamics play out in a way that the learned weights adjust to the random projections:

https://www.nature.com/articles/ncomms13276

That being said, it does seem to be the case that the brain simply memorizes an awful lot which must work by a different mechanism besides backprop because backprop cannot do one-shot learning. I think one-shot learning is how the brain gets past large discontinuities in the model fitness landscape: It can learn linguistic, logical rules, fragments of general computations and facts that are discovered by exploration (which includes learning about whether it was Bob or Mike) and passed on culturally. The brain basically outsources the problem of tunneling through large discontinuities, to cultural/individual trial-and-error and episodic memory. The greatest consequence is that these bodies of knowledge can concern the improvement of the organization of knowledge itself, resulting in a positive feedback loop in model fitness (especially science/Bayesian updating). Though such bodies of knowledge evolve respecting a learnability-by-hillclimbing soft constraint, which implies they often form a neat latent space where similar codes are organized to belong to similar meanings/representations, as this can easily be learned by stochastic hillclimbing (repetition) because each time the brain processes related information, it is nudged towards the latent space that is meant to be learned. Many parts of the world happen to be learnable in this way because everything is kinda smooth and continuous. Small causes tend to have small effects as everything consists of a myriad of small particles that affect each other in smooth ways if you squint at them. Though obviously not everything can be learned this way (implying large discontinuities) which is where a brute memorization based on reward and punishment comes in handy.

terminalhealth··on Solar Powered Raspberry Pi Camera
Fwiw, afaik, cameras are relatively poor measures preventing burglary. By far the most important factor is reinforced windows and doors.
terminalhealth··on Climate change: Marine heatwaves kill coral instantly
What's the recovery rate of corals that have experienced heat waves? I'd imagine that species which can withstand the heat are going to fill the empty spots?
terminalhealth··on The Lonely Work of Moderating Hacker News
It was an overreaction which, however, was only enabled by absolutely lazy journalism. They basically took Bouman's Facebook post with a photo of her smiling next to the black hole claiming that she produced the picture, blowing her contributions way out of proportion. Some reports corrected this later that day, but by then, the shitstorm and investigation had already started. Perhaps understandably--she did not produce the picture. One could argue that Bouman's reaction was also way too delayed and she did not enough to clarify the situation, but this is perhaps understandable assuming she did not follow social media very closely.

The entire fiasco was mainly caused by the obsession of the media to put women at the forefront.

terminalhealth··on Man and man's best friend have both been experiencing declines in sperm quality
Most of these kinds of products are built to fail so that you'll pay for a new one soon.
terminalhealth··on Selfie-seeking Instagrammers are ruining the world’s beautiful places
Don't forget that the CO2 footprint of these things is immense. Though take growth away and things will be come zero-sum; people will try to take things from each other rather than from growth, and will find petty reasons for conflict which will escalate sooner or later. Either way, we're likely f*ed.
terminalhealth··on Germans Grow Frustrated with Their Slow-Poke Internet
Fair point, but they do invoke this ludicrous metaphor of the data highway, also why isn't it then simply called "infrastructure". There are surely other large scale planning decisions that could be subsumed e.g. pipelines, power lines etc.; why would they not be mentioned?
terminalhealth··on YouTube bans 14 year old for violating hate speech guidelines
Yeah, but the technology is not good enough for the level of authenticity here.
terminalhealth··on YouTube bans 14 year old for violating hate speech guidelines
The fact that she can lead a 20-minute interview ...

https://www.bitchute.com/video/WycgzQE8t4LS/

... rules out (2). Technology is not advanced enough for (3). So (1) is currently the most likely: https://www.reddit.com/r/13or30/

Though you've missed the less likely option 4), an extraordinarily gifted 13-yo girl spending too much time on the internet. Some kids are amazingly smart.

terminalhealth··on Germans Grow Frustrated with Their Slow-Poke Internet
Digital infrastructure is mostly privatized (and monopolized).
terminalhealth··on Germans Grow Frustrated with Their Slow-Poke Internet
They also have a "Ministry of Transport and Digital Infrastructure" as if expertise in one domain would easily transfer to the other. The only commonality seems to be that things are being transported from A to B via some network, but it pretty much ends there.
terminalhealth··on Open Source Hardware Hearing Aid Part 1
The question is how much these additional fancy features actually improve the product over what is feasible DiY? How much longer is the battery life?
terminalhealth··on Standard Ebooks: Free public-domain ebooks, carefully produced
Thanks.
terminalhealth··on Standard Ebooks: Free public-domain ebooks, carefully produced
Dang, could you lift vvillyd's rate limit as new user in case this still exists?
terminalhealth··on Known packings of equal circles in a circle
I personally just used this to drill a bunch of vent holes, though N = 37.
terminalhealth··on Known packings of equal circles in a circle
It's interesting that beyond some number of circles the optimal solution likely always involves a regular equilateral grid in the center.

Also interesting that there are seemingly no solutions without loose circles beyond 91.

terminalhealth··on Plastic bag sales in England halved in past year
It's still a relatively minor issue. There are far greater sources of microplastics, especially wear and tear from tires, paint:

https://pbs.twimg.com/media/CA7zXLWUIAAaSfS?format=png&name=...

We'd need to drive way less, stop sending products overseas, build high speed underground trains. Even more importantly we'd need to make sure that India and Africa are going to follow the same principles because they're going to exceed the consumption of the West in future. That being said, I do not care because I do not plan to have children.

terminalhealth··on Apple Reports Declining Profits and Slowing Growth Again
These estimates are amazingly accurate or is my amazement inappropriate?
terminalhealth··on MQTT: A Conceptual Deep-Dive
To answer my own question, it looks like MQTT has a slightly higher power usage due to the TCP/IP-based connection (though still a much more compact header than HTTP). Both offer notification mechanisms, but BLE can only do "one master (e.g. iPhone) to many slaves (e.g. some IoT devices)" connections. MQTT can be done via Wi-Fi, Ethernet, serial etc., but even over BLE.

https://dzone.com/articles/protocols-and-standards-behind-io...

terminalhealth··on MQTT: A Conceptual Deep-Dive
What's the relation of this to Bluetooth Low Energy (BLE)?
terminalhealth··on What's Coming in Python 3.8
tl;dr: Computation is being compressed ever more
terminalhealth··on How much bandwidth does the spinal cord have?
Though, it probably never reaches even remotely full capacity except in rare events like seizures or when jumping into cold water. Also, there is a fair amount of redundancy in neural information processing due to the noisy computation substrate. I would not be surprised if the channel capacity is something like 100 Mb/s, but transmission rates are less than 10 Mb/s most of the time.
terminalhealth··on OpenWrt 18.06.4
Why didn't the upgrade take over my OpenVPN packages? I had to install the packages openvpn and luci-app-openvpn manually, but the settings were still there, fortunately.
terminalhealth··on Insect Apocalypse German Bug Watchers Sound Alarm
To me this reveals three possibilities:

1. There is confidential information that the damage is irreversible at this point (e.g. permafrost is melting three times faster and 70 years earlier than expected) and any attempts to break the layers upon layers of prisoner's dilemmas are completely futile.

2. The political caste does not care about more than 20 years into the future because most of them will have died by then (avg. age of the conservative parties is 60(!) [1]).

3. The dangers of a manmade climate catastrophe are being overstated.

[1] https://de.statista.com/statistik/daten/studie/192255/umfrag...

Page 1 of 2Next →