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ijiiijji1

24 karma · joined August 18, 2019

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ijiiijji1··on Why does F = ma?
Remember that F and a are vectors and m is a scalar.
ijiiijji1··on India's Meghalaya 'living root bridges' get stronger as the trees grow
Safety protection regulations are written in blood.
ijiiijji1··on How Boomboxes Got Badass (2013)
I had a red JVC PC-30 single deck that took something like 8 D-cell batteries... it had touchy volume controls that needed cleaning all the time because any dust or oxidation would sound like white noise mixed with nails on a chalkboard when changing the volume. It was kinda cool because the speakers detached. I often plugged in a $300 Sony Discman with crazy skip buffering and anti-skip tech (D-828K).

I was lucky.. there was a Tower Records 1/2 mile (1 km) from my house, the one where Metallica played that concert in the parking lot. And somehow I acquired a 1990 West German The Doors - The Doors CD.

ijiiijji1··on Why cement emissions matter for climate change (2018)
Actually, the most important part is clinker manufacturing which then leads to Portland cement that leads to concrete. If manufacturing occurred in a sealed chamber and adding a step that consumes or captures carbon emissions would be a logical improvement considering it is a nontrivial amount of GHG emissions.

Lime is a close second, but not as important when compared to the energy needs and chemical processes involved in clinker manufacturing.

ijiiijji1··on Bhopal disaster
I remember this in one of the three Yes Men feature film documentaries. They went to Bhopal and residents were happy about The Yes Men trolling the media, if only to bring more attention to how horribly they were treated before, during and after the incident.
ijiiijji1··on Wanna Impress an Engineer at a Career Fair?
This is solid advice.

When I was younger, I didn't have to do anything particularly special to get job/intern interviews at IBM Almaden, MIT Lincoln Labs or Trimble Navigation. Master your craft to an obsessional level, follow-up with any expressed interest or requests for data/CV and show curiosity by asking good questions.

ijiiijji1··on Tape still beats SSDs and hard drives when it comes to price per byte
I have, back in the day.. both floppy-controller and IDE based... with a whopping range of storage from 220 MiB to 4 GiB.

Since I don't have enough karma to write another comment anonymously:

Restoring from backups is a last resort for very important files deleted more than a few days ago (beyond what hourly/daily snapshots contain) or for business continuity (BCP) / disaster recovery (DR) of an entire system that cannot be recovered via automated configuration management rebuild. Snapshots to nearline storage reduce RTO for most common use-cases, and most users and systems don't generate much churn of data in a day. For recovery of important files, sending a courier out to retrieve a backup tape set from the vaulting provider implies the RTO would accept in a matter of several hours. An RTO of under an hour would imply backups would need to be stored on nearline media (commodity spinning rust) or at a backup cloud vendor like AWS Glacier or Tarsnap, which is more expensive than tape.

The deciding factor of how much to rationally spend on DR/BCP solutions follows from a Business Impact Analysis (BIA) to quantify the loss of a service over a certain time, which drives RTO and RPO goals. (A common factoid of DR/BCP is "about half of businesses who lose their data go out of business within six months.")

RTO - Recovery Time Objective - desire/need to recover within a certain time window

RPO - Recovery Point Objective - how close to the original is the recovery

ijiiijji1··on Tape still beats SSDs and hard drives when it comes to price per byte
I worked at IT for a large university. We had an HP/Compaq SSL2020 with dual AIT drives made by Sony. The issue was never determined (perhaps micro debris in the air), but the drives has to be replaced nine (9) times due to failure. Furthermore, backup and verification is a tedious process, and combined with local and offsite vaulting and tape management, having proper backups is a royal PITA but there's no substitute. Replication isn't a backup because it propagates errors and you can't do disaster recovery without proper software, offsite vaulting and practice.

Backups aren't valid until they're tested.

ijiiijji1··on Most Massive Neutron Star Ever Detected
3.375e10 kg/cc
ijiiijji1··on Stallman's final interview as FSF president
Unless they are just mythological, all people are fallible, inconsistent human beings who put on their pants one leg at a time. There is no magic.
ijiiijji1··on How prices changed at a Walmart in a year
Most fresh fruit isn't beautiful but is still perfectly edible, so it goes into processed foods.
ijiiijji1··on Why Are American Houses So Big?
People have different needs at different stages and situations in their lives, but most typically seek opportunity in youth which tends to necessitate density and then later prefer quiet and low density to get away from the horrors, costs and inconveniences of city life.
ijiiijji1··on Russia Carried Out ‘Stunning’ Hack of Encrypted FBI Communications: Report
That depth of hack... the potential is large that it was also an inside job, e.g., another Robert Hanssen.
ijiiijji1··on MoviePass will shut down for good on Sept. 14
MP is like Uber and Lyft: a magical unicorn business model that consumers thought they could get something for nothing, e.g., it was never sustainable.
ijiiijji1··on Estimates that mineral levels in vegetables have dropped by up to 90% since 1914
Produce is sold by weight, and bought by appearance but neither nutritional content nor taste.
ijiiijji1··on Huawei has started selling laptops with a the Deepin Linux OS pre-installed
Nope. Look at Intel, NVidia, TSMC and GloFo. Final assembly board-stuffing maybe in China, but that's unlikely to be the source of major (high-gate-count) components.
ijiiijji1··on Huawei has started selling laptops with a the Deepin Linux OS pre-installed
Lenovo T480. Accept no substitutes.
ijiiijji1··on Filthy surgical instruments: a threat in America's operating rooms (2014)
Candida auris is so persistent autoclaving, hydrogen peroxide and bleach aren't effective... hospitals have had to resort to binning equipment and removing wall tiles. Imagine the hospitals / ORs that are are less fastidious, and in the US, hospitals aren't required to release statistics on preventable infections and deaths.
ijiiijji1··on Apple's petition against RED
The resolutions of 4K/5K/8K with completely lossless at high frame rates or at native sensor resolution in terms of storage for hundreds/thousands of hours of source material for marginal audiophile-like puritanism/placebo magical beliefs is just way too expensive for essentially no marginal return, because there are fundamental limits to psychovisual and psychoacoustic thresholds that no human can discern in a given playback venue (different for large IMAX, normal theater, home theater and small phablet; and different to a degree depending on an individual's would-be double-blinded or bio-electrically/fMRI measured thresholds.) The goal of pseudo-"lossless" compression is to be very conservative on what to throw out because transcoding to other formats can always (and must) optimize (throw away) data later... it really is marketing wank because there is some compression, but the idea is it's aimed to be minimal as to not matter in the final cut product.
ijiiijji1··on How Men’s Bodies Change When They Become Fathers
Random Q: I have to lose 40 lbs getting dad-bod sans dadness right now (medication side-effects).

0. Has anyone seriously looked into variations of intermittent fasting &| extended fasting?

1. Did you have brain fog after hunger went away after a few days, or less fog?

2. What about maintenance vitamins, electrolytes and preventing gallstones?

3. How long did you continue for, until hunger returned?

ijiiijji1··on Thoughts on Rust bloat
Maybe rust core/std/alloc should built with many smaller crates that are cached better and have fewer dependencies?

Also: https://github.com/johnthagen/min-sized-rust

ijiiijji1··on Why so many Chinese students can’t understand the Hong Kong protests
There are different cultures with slightly different modalities, but decency is universal. Murder for cannibalism is unacceptable always. Kafkaesque totalitarianism is unacceptable. Shouting-down opponent speakers is unacceptable. Child rape isn't acceptable because it's "their culture."
ijiiijji1··on Whistle-blower reveals N Dakota leak of 11M gallons of gas condensate in 2015
Bots, shills and morons "steering the sentiment" to confuse, befuddle and seed doubt in people's minds. We have to take decisive action now and be undeterred by BS or games. The billionaires are (indirectly) fking with you to suck more money out of civilization before they isolate themselves in their doom bunkers where they too will eventually die.
ijiiijji1··on Whistle-blower reveals N Dakota leak of 11M gallons of gas condensate in 2015
The billionaires are killing us and everything, with private security, mercenaries and the police protecting them. We're going to have to fight to overthrow the corporate extinctionists.
ijiiijji1··on Media Can’t Stop Presenting Horrifying Stories as ‘Uplifting’ Perseverance Porn
I once ran into a woman with stage IV cancer and a nasal medication infusion pump who was on her way to a bankruptcy hearing to justify keeping her clothes and living arrangements while the hospitals, doctors and insurance companies vampiricly liquidated her life and all of her possessions. That's where America is right now. If you're sick, you'll likely go bankrupt (it's the leading cause) and you still won't necessarily be able to afford proper treatment.. and then if you die, your family will be most likely be destitute.

PS: "rugged individualism" based on "pulling oneself up by their bootstraps" was taken from a children's fairytale about an impossible task.

ijiiijji1··on Media Can’t Stop Presenting Horrifying Stories as ‘Uplifting’ Perseverance Porn
Gore Vidal said the Property party has two wings, D and R.
ijiiijji1··on Loss of cultural song diversity in a declining Hawaiian forest bird community
You must be Sir David Attenborough looking for Lyre birds ;)

https://youtu.be/mSB71jNq-yQ

ijiiijji1··on Volcanoes on the Moon May Have Erupted During the Dinosaur Age (2014)
Not necessarily. There are many types of volcanoes, and shield volcanoes aren't as violent... they ooze material rather than explode like a cinder cone. That lava wouldn't have enough momentum to go very far.
ijiiijji1··on Ask HN: How do I pay my escort girl/ drug dealer in sweden if there is no cash?
Cash equals (mostly) privacy and democratization of purchasing ability.

"Cashless" is the elites and security apparatuses against the ability of the people to maintain their privacy and take away the last little vestiges of the disenfranchised to get by... it's a selfish, ignorant, utopian social experiment.

ijiiijji1··on The Dawn of the Age of Geoengineering
BeCCS at scale is relatively straightforward:

- ferrous ocean seeding... not much is needed

- Caribbean and Atlantic are already saturated with fertilizer and organics runoff

- kelp harvesting.. Mexico's prime tourist beaches are covered in many hundreds of tons of kelp per day from just passive growth

- Partial closed-cycle incineration

- liquify and pump carbon oxides very deep underground

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