Recent comments in /f/explainlikeimfive
ChibiSailorMercury t1_j6lgqkq wrote
Reply to comment by Pokemonobsessedlesbo in ELI5 - why are bonded pairs okay in animals but not humans? by Pokemonobsessedlesbo
Eat your own poop or your own youngs, and we'll agree to disagree.
Just because humans are mammals it does not mean that all behaviours exhibited by animals are not odd when we adopt them.
Uselessmedics t1_j6lgoxg wrote
I mean it's viewed as a bad thing in animals too, but if it happens you can't do much about it
crappinhammers t1_j6lgj2f wrote
Reply to comment by RichardStinks in ELI5: when people give up red meat for lent, why do they always eat fish instead? Aren't chicken and turkey white meats too? by Inanimatepony
Ah yes, the best eli5 answer. Right here in the story it says 'fish ok'.
johnn48 t1_j6lghf1 wrote
Reply to comment by AshFraxinusEps in ELI5: Why do so many fruits have seedless varieties but the apple and cherry do not? by JanaCinnamon
I ran across an interesting article which addressed just that point. A number of hypotheses were presented: 1) that the plant reproduced asexually by spreading its roots, 2) that the climate contributed to its demise, 3) that it grew in a narrow geographical area and was harvested to extinction. These are my narrow take of the article but it’s a definite must read.
homarjr t1_j6lge7z wrote
"the brick brown big wall" would have a different meaning.
It makes it sound like "brick brown" is a type of colour.
And then "big wall" is sounds like something different than just a "wall", it's its own noun.
The strict order you would normally put these words actually allows us to have more flexibility in the words you use. For example, having a colour called "brick brown" is made possible. If we allowed any random order to describe things, that couldn't happen.
TheJeeronian t1_j6lgdvg wrote
The actual temperature is super easy to measure. Get an object, set it in the shade until it reaches a balance of humidity with the surrounding air, and measure its temperature. Humidity and wind only impact us because we're not in balance. We're hotter and wetter than our surroundings.
zachtheperson t1_j6lgdmb wrote
Basically:
- Make your game look way better than it is
- Advertise to millions
- Hope thousands download
- Even if those thousands quit almost immediately, you still got to show them 1 or 2 ads.
Here's a video of two people talking about how their pretty hilarious journey of how they did something similar as a joke and accidentally ended up making quite a bit of money: https://youtu.be/E8Lhqri8tZk (seriously worth the watch)
FenderMoon t1_j6lg2w0 wrote
Reply to comment by WeirdGamerAidan in ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
Yea, the CPU is basically giving the GPU commands, but the GPU can take those and execute them far faster than the CPU can.
GPUs are very good at things that involve tons of parallel processing calculations. E.g. "Take this texture and apply it over this region, and shade it with this shader." CPUs would sit there and just calculate all of that out one pixel at a time, whereas the GPU has the hardware to look at the entire texture, load it up, and do tons of pixels in parallel.
It's not that the CPU couldn't do these same calculations, but it'd be way slower at it. GPUs are specifically designed to do this sort of thing.
BobbyThrowaway6969 t1_j6lg0ft wrote
Reply to ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
The CPU is a mathematician that sits in the attic working on a new theory.
The GPU is hundreds of thousands of 2nd graders working on 1+1 math all at the same time.
These days, the CPU is now more like 8 mathematicians sitting in the attic but you get the point.
They're both suited for different jobs.
The CPU could update the picture that you see on the display, but that's grunt work.
Edit: I don't mean the cores in a GPU are stupid, but their instruction set isn't as complex & versatile as a CPU's which is what I meant.
Cannie_Flippington t1_j6lg07z wrote
Reply to comment by AshFraxinusEps in ELI5: Why do so many fruits have seedless varieties but the apple and cherry do not? by JanaCinnamon
There's a theory they might have found it on Crete recently, actually.
militaryCoo t1_j6lfzvf wrote
Reply to comment by Nitemiche in ELI5: when people give up red meat for lent, why do they always eat fish instead? Aren't chicken and turkey white meats too? by Inanimatepony
Eggs aren't allowed. Hence pancakes on Pancake Tuesday, the day before Ash Wednesday, the first day of Lent
ZeenTex t1_j6lfysn wrote
Reply to comment by MisterProfGuy in ELI5: when people give up red meat for lent, why do they always eat fish instead? Aren't chicken and turkey white meats too? by Inanimatepony
Beat me to it by a minute. Damn
DragonFireCK t1_j6lfyqb wrote
Reply to ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
The key difference is how the two processors function. A GPU is designed to do the same calculation lots of times at once, though with differing values, while a CPU is designed to do lots of different calculations quickly.
A simple way to think about this logic is that a single object on the screen in a game will be on multiple pixels of the screen at once, and each of those pixels will generally need to do the exact same set of calculations with just different input values (think like a*b+c with differing values for a, b, and c). The actual rendering process does the same idea at multiple levels, where you are typically going to position and rotate the points (vertices) of each object in the same way. It also turns out that this same style of calculation is useful for a lot of other stuff: physics calculations*, large math problems*, and artificial intelligence*, to name a few.
However for general program logic you aren't repeating the same calculations over and over with just different data, but instead need to vary the calculations constantly based on what the user is trying to do. This logic often takes the form of "if X do Y else do Z".
Now, modern CPUs will have some hardware designed to function like a GPU, even if you discount any embedded GPU. Using this is very good if you just need to do a small amount of that bulk processing, such that the cost of asking the GPU to do it and receiving the result will be too expensive, however its no where near as fast as the full capabilities of a GPU.
Beyond those design differences which are shared between dedicated and embedded GPUs, a dedicated GPU has the benefit of having its own memory (RAM) and memory bus (the link between the processor and memory). This means both the CPU and GPU can access memory without stepping on each other and slowing each other down. Many uses of a GPU can see massive benefits from this, especially games using what is known as "deferred rendering" which requires a ton of memory.
As a note, there is no reason you couldn't just do everything with one side, and, in fact, older games (eg Doom) did everything on the CPU. In modern computers, both the CPU and GPU are what is known as Turing complete, which means they can theoretically perform every possible calculation. Its just that each is optimized to perform certain types of calculations, at the expense of other kinds.
* As a note, artificial intelligence heavily relies on linear algebra, as does computer rendering. Many other math problems can be described as such, converting the problem into a set of matrix operations, which is specifically the specialization of GPUs.
platoprime t1_j6lfwcj wrote
Reply to comment by LakeStLouis in ELI5: Why do so many fruits have seedless varieties but the apple and cherry do not? by JanaCinnamon
Roots; the answer is roots.
Sorry for whatever you stumbled on.
aspheric_cow t1_j6lfvew wrote
Reply to comment by BroscientistsHateHim in ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
This exactly, but also, GPUs are optimized for FLOATING POINT matrix calculations, as opposed to integers. To over-simplify, floating numbers are like the scientific notation for numbers.
[deleted] t1_j6lfucg wrote
[removed]
LakeStLouis t1_j6lfq87 wrote
Reply to comment by Muroid in ELI5: Why do so many fruits have seedless varieties but the apple and cherry do not? by JanaCinnamon
And now I'm trying to figure out what an apple tree cloaca would look like.
Yeah, don't go down that path.
Pokemonobsessedlesbo OP t1_j6lfpm5 wrote
Reply to comment by GreenElementsNW in ELI5 - why are bonded pairs okay in animals but not humans? by Pokemonobsessedlesbo
That’s true! Thanks
Pokemonobsessedlesbo OP t1_j6lfom0 wrote
Reply to comment by phiwong in ELI5 - why are bonded pairs okay in animals but not humans? by Pokemonobsessedlesbo
I guess we can agree to disagree there. I’m of the belief we’re still very motivated by our internal instincts, whether we know it or not
MisterProfGuy t1_j6lfmvp wrote
Reply to comment by Nitemiche in ELI5: when people give up red meat for lent, why do they always eat fish instead? Aren't chicken and turkey white meats too? by Inanimatepony
And of course beavers are also fish.
Gigantic_Idiot t1_j6lfmiu wrote
Reply to comment by Overseer090 in ELI5 How do food producers work out the best before date? by Overseer090
On the flip side, there's heated chambers that do the same thing. There are some companies that will legit evaluate their product every week/month during development until is no longer meets quality or safety specs.
GreenElementsNW t1_j6lfjhl wrote
Those old couples who die within day or weeks of one another after being together for decades would be considered a bonded pair. One couldn't live much longer once the first one of them dies.
Ferocious_Armadillo t1_j6lf9lz wrote
Reply to comment by Away_Establishment45 in ELI5: why does low haemoglobin have such dangerous effects (stroke, heart attack etc.) by Away_Establishment45
There are definitely blood tests they can do to detect markers for certain cancers but it’s impossible to tell if they did the test for leukemia if we don’t know what the test is called… what is the test called that they did?
Xanjis t1_j6lf95a wrote
Reply to comment by WeirdGamerAidan in ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display? by WeirdGamerAidan
It's the second. The GPU takes all the information for the scene (the location/size/rotation) of objects in the scene and then calculates what color each pixel the screen can display. That calculation needs to be done millions of time per second but it's a very simple calculation so the GPU is suited for the task because it has a huge number of weak cores. Whereas a cpu has a small number of incredibly powerful cores.
CrashCalamity t1_j6lgtir wrote
Reply to ELI5: How do we measure temperature without humidity? by [deleted]
We don't measure temperature based on feelings. The real temperature is often observed with thermometers (which do not transmit any moisture through the glass, so humidity is not even relevant here), relying upon heat transfer from/to the surrounding air to make the measuring medium (like liquid mercury) expand and contract.
The difference that you feel with humidity, and what the weather stations are trying to say, is that when there is more water in the air it becomes harder for you to cool off and regulate your body temperature. We rely on our ability to sweat, and for that sweat to quickly evaporate, to keep our internals at a comfortable level when we are exposed to heat.