Recent comments in /f/explainlikeimfive
OneHumanPeOple t1_je39bfh wrote
It is not a diagnosis but a general description of what happens when a person collapses from stress.
It’s also perceived to be polite way to describe a mental health decompensation or drug addiction relapse that requires inpatient treatment. Hopefully we stop calling it “exhaustion” in the future because it only fuels the stigma of seeking mental health or addiction services.
ScienceIsSexy420 t1_je3940y wrote
Reply to comment by Pandepon in ELI5 When companies say that their product is nontoxic, what exactly do they mean? by shake--and--bake
I'm very glad that you recognize the difference, but saying "dangerous chemicals" instead of just "chemicals" prevents others that don't understand the difference as well from perpetuating anti-science nonsense.
KezzaPwNz t1_je393hh wrote
Heat exhaustion is the precursor to heat stroke. Exhaustion (fatigue) itself isn’t a clinical diagnosis, but usually an indicator of an underlying condition - eg anaemia.
[deleted] t1_je38x9b wrote
Pandepon t1_je37wdt wrote
Reply to comment by ScienceIsSexy420 in ELI5 When companies say that their product is nontoxic, what exactly do they mean? by shake--and--bake
Of course everything is made of chemicals, when referring to chemicals I mean the ones that are harmful.
csl512 t1_je37vun wrote
A chess set is designed to play chess. The game and the stuff are tightly tied to each other. Uno is a card game that uses a specific deck. A standard deck of cards can be used to play a lot of different games. New games can be made by making rules around that common deck of cards, like numbers go on the same number, or black goes on red.
The very first games were like chess games. To input controls and output the game state they had to write it from scratch because it didn't exist yet, both for text-based games and graphical games. Eventually instead of rewriting the entire game from scratch every time, developers made flexible systems that could take the parts that make their game unique and reuse common elements, like taking and interpreting input, managing the state of the game, etc.
Game engines are also used in text adventure games. You tell it what rooms there are, how they're connected, what objects are there, and what you can do with them.
As you get more complex and graphical, you start adding animations, images, sound, physics, and so forth.
the_original_Retro t1_je37snx wrote
Reply to ELI5: How does your stomach "know" when to pass food on if more food keeps entering during initial digestion? by Water-Cookies
It's not a "I am completed with this package here you go there next stage knock yourself out" process.
It's a "chemicals are removed and passed on in various orders depending on how filled the digestive process already is" process.
You're not a first-in-first-out organism. Further, you'r e also not a fastest-in-fastest-through organism.
If your innards are not otherwise busy, you process liquid foodstuffs far faster than complex organic foodstuffs like high-fibre proteins. But that processing takes time for the more filling types of food you eat, at least in most cases. Pack your stomach with wagyu-steak fats and proteins, and it'll take a while for everything to sort itself out even if you gorf down an ice cream sundae afterwards.
[deleted] t1_je37she wrote
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Any_Werewolf_3691 t1_je37cli wrote
Reply to comment by Gnonthgol in ELI5: Why are health insurance companies in the US allowed to deny coverage for doctor-approved medical care? by adamzam
Everything you said is wrong.
csl512 t1_je35opv wrote
Reply to comment by Target880 in eli5: How did people build bridges over deep and/or dangerous water if they didn't have the equipment to go under water? by Internetscraperds9
Rope bridges can be started with a small line that carries across a slightly stronger line and so forth. https://www.englishclub.com/efl/podcasts/interesting-facts/kite-bridge/
fiatfighter t1_je35lzm wrote
Reply to comment by bulbaquil in ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
This really made sense to me and I am NOT that technologically literate. And I definitely do not understand coding or this byte structure thing. But when you said-ok this piece is the program or file saying this, and this one is telling it this-that helped me wrap my brain around it. Thank you! Off to submit my resume to Twitter! Oh wait…
explainlikeimfive-ModTeam t1_je34nzn wrote
Reply to comment by [deleted] in ELI5: What does it mean to identify as a man/woman ? by Fakeid7
Please read this entire message
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jezvin t1_je332dg wrote
With computers you need to tell them everything you want to do. If you wanted to draw a picture you would need to tell each pixel to turn on in a way to make the picture you wanted.
That would take a lot of effort so someone made a program that would draw a line when you told it to draw a line. This moved into another level. Drawing a 3D environment where you could draw a ball by just telling this program to draw a ball. It would handle everything to make it look like a 3D ball on your screen with just a sphere equation. This was the foundation of a 3D engine.
Now these were used to make games, but some people went father and started making game engines where you can tell it to animate characters or do other game related tasks without telling the computer to do every step along the way. Things like real world physics were added so you could just tell the engine to make said ball and turn on, the ball would just drop and hit the ground and roll all without any extra programing required.
So a game engine is comprised of multiple different types of engines and programs that allow a game designer to focus more time and effort on designing games rather than other tasks.
Spiritual_Jaguar4685 t1_je31tfb wrote
Reply to comment by dev-ice in ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
Thanks! Edited.
zsg101 t1_je31m0m wrote
Reply to comment by m4gpi in ELI5: if protein is broken down into peptides in the stomach/digestive tract, why would consuming something like "active collagen" do anything? by Alexander_Elysia
Collagen is both cheaper and healthier, if you buy it as pure gelatin powder.
Tastes gross, but has none of them artificial sweeteners that are necessary in huge quantities to make whey taste not gross.
TMax01 t1_je31any wrote
Reply to ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
It's predefined. There is a fascinating (or not) history to and technical justification for how technology developers settled on an "8 bit byte" which then also became a 16, 32, 64, 128, or bigger bit byte, but in every case the answer is the same: it's predefined how many digits the reader will consider.
aqhgfhsypytnpaiazh t1_je3081x wrote
Reply to ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
Modern computers, in terms of data storage and processing, basically only operate on bytes (groups of 8 binary digits [bits]). So at least in most cases you can assume that 00001001 should be treated as a single value.
Beyond that, it's really up to the software interacting with that data to determine how to process it. This is where file formats come into play. The file format is a specification that clearly defines how to interpret the data in a file. So it will tell you what each byte in a file means.
Sometimes the rules are very strict, like a format will say "Every byte of the file represents a character of the alphabet, here's an ANSI table that maps binary numbers to characters". Or it might be less rigid, like "The first section of the audio file is free text ANSI metadata, which ends when the null byte (00000000) is encountered. The next section..."
Without some context as to what the data represents, it's meaningless. Often this can be conveyed by following the conventions for file extensions - the part of the file name after the last dot (eg .txt is universally recognised as text data encoded with the ANSI or Unicode standards). Often there is also a specific pattern of data at the very beginning of the file (a magic number) that indicates what type of file it is. The file is stored in a file system, which is a particular arrangement of data on a storage device following file system standards. Programs are stored using standard data formats built into the operating system, which in turn send a series of electrical signals to the CPU and other processors following a standard instruction set. It's standards all the way down.
Binary data is ultimately just a series of binary digits - an abstract representation of on/off electrical signals - that the program (by way of the programmer and/or user) has to figure out what to do with. If your friend came to you and blurted out "Eleven! Seventy four! Two! Five thousand, nine hundred and sixty six!" it's not going to mean anything without context.
cmlobue t1_je3064h wrote
Reply to comment by Spiritual_Jaguar4685 in ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
I remember capping my gold on the first Dragon Warrior game at 65535 because it used an unsigned 16-bit integer. I was amazed that it didn't generate an overflow error.
sacoPT t1_je2zwlu wrote
Reply to ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
That problem is not specific to computers. 123 456 can be either one single number or 123 & 456 taken separately. Heck, negro can be dark if you read in Portuguese or black if you read in Spanish. You will know which one is the right one by using context.
In the digital world it’s up to the software to decide what 1001 means, based on context. That’s why if you open a png file with mspaint you see a picture but if you open it with notepad you see gibberish
Y34rZer0 t1_je2zatz wrote
Reply to comment by turniphat in ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
The difference between data and information
bulbaquil t1_je2yzza wrote
Reply to comment by turniphat in ELI5: If digital data is stored in 0s & 1s, how does the reader know how many of the digits to take into consideration? by distinct_oversight
To summarize the .wav specification u/turniphat mentioned:
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The first 4 bytes tell the computer "Hi, I'm a multimedia file. Please treat me accordingly."
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Bytes 5 through 8 tell the computer "Here's how long I am." This is the answer to your question - one of the first things files of any kind will do is tell the computer how big they are, precisely because this is something the computer needs to know.
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Bytes 9 through 12 tell the computer "Specifically, I'm a .wav file."
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Bytes 13 through 36 tell the computer "Because I'm a .wav file, here are some things you need to know about me. Like, what's my bitrate, am I stereo or mono, how many channels do I have, etc."
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Bytes 37 through 44 tell the computer: "Okay, the actual data's coming now. Just a reminder: this is how big it is."
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Bytes 45 through whatever number the previous 44 bytes told us are the actual sound itself.
As for why the computer treats 1001 as 9 instead of as 2-1, because at a very fundamental level the computer isn't reading the data bit by bit; it's reading it in chunks (sort of like taking steps two at a time). By default, the chunk size is the "X" that they're talking about whenever they refer to an "X-bit system" or "X-bit architecture", but if a file is encountered, its directives on How to Read This Kind of File take over. So it isn't seeing it as a sequence "1-0-0-1" and trying to figure out where to break it; it's seeing it as a gestalt "1001" (really, "00001001") and treating it as a single unit. If you wanted a 2 and then a 1, you'd need two different units: 00000010 00000001.
Tl;dr: Files share information about themselves to the computer when they're loaded. One of the things they share is how big they are, and another is how many bits of data the computer should read from them at a time.
[deleted] t1_je2yys3 wrote
[deleted] t1_je2yx65 wrote
[deleted] t1_je2yux1 wrote
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slinky999 t1_je39bok wrote
Reply to ELI5: Nosebleeds and nose cauterization - how do they work? by MysteriousShadow__
I don’t have all the answers, but getting my nostril cauterized put a stop to frequent, gushing nosebleeds that would literally just pour out. I was miserable for 18y until I had the cauterization done. The procedure wasn’t fun, healing was annoying, but worth it.