Recent comments in /f/explainlikeimfive
Eastofdark t1_ixx3mxk wrote
Reply to comment by queensg28 in ELI5: Why does it seem to be harder for women to control their bladders? by RandomKidIsMe
This is misleading. In women everything is separate, unlike men. Separate vaginas and urethra and of course separate anus. But they are all close together, and pregnancy and birth puts massive stress on the area and on the pelvic floor muscles. When these muscles are stretched from birth, and in combination with hormones at birth that allow the stretching of pelvic ligaments, a woman can end up with a weak bladder. There is no good reason for women who have not been pregnant, or especially given birth, to have particularly weak bladders compared to men. Women are always more subject to bladder infections though as the tubes that connect the outside with the bladder, the urethra is very short in women compared to that of men which runs the entire length of the penis, so bacteria can get into the bladder much more easily.
kenhutson t1_ixx3e7c wrote
Reply to comment by queensg28 in ELI5: Why does it seem to be harder for women to control their bladders? by RandomKidIsMe
This is nonsense. The muscles controlling urine flow in men are not in their penis lol! They are in the same place as they are for women - at the bladder neck. And testicles have nothing to do with urine.
Pudding_Hero t1_ixx2zq4 wrote
Reply to comment by queensg28 in ELI5: Why does it seem to be harder for women to control their bladders? by RandomKidIsMe
What wicked webs we unweave
xjsscx t1_ixx2idl wrote
Reply to comment by -WhatCouldGoWrong in ELI5: Why does it seem to be harder for women to control their bladders? by RandomKidIsMe
Willingly, it’s no secret what can happen with and after birth most just ignore it and complain later
-WhatCouldGoWrong t1_ixx20zf wrote
Reply to comment by queensg28 in ELI5: Why does it seem to be harder for women to control their bladders? by RandomKidIsMe
dated a few ladies who had kids previously and when they had to pee they had to fucking pee
​
mad respect to women, everything you described happens far beyond birth but they just get on with it and put up with more shit than us men will ever know
queensg28 t1_ixx1abl wrote
Because everything for Women is connected. It's all internal. Anus, pelvic floor, vagina, uretha. It's all connected. Like a web. If one part of the web is too weak or its hurt (like after having a baby), it impacts the other connected strands.
For guys, it's external and separate. Less connections. Penis and uretha is separate from testicles which are separate from anus. Also, not having babies sitting on a bladder 9months and not having to push anything out is a big factor too lol
A common fear women have during birth is that they'll poo on the table. It's actually encouraged by health professionals because if you're pushing enough to feel that sensation, you're using the right muscles and pushing the right way. Again - all connected.
[deleted] t1_ixx0nng wrote
[removed]
Dunbaratu t1_ixx0n9f wrote
Reply to ELI5: In recent years, new formats like webp and jfif have started popping up. However, if I rename them to gif or jpeg, they still work. How can it be that renaming the extension doesn't ruin the image format? Why do they even exist then? by Luthemplaer
There are two ways programs try to identify the format of a file.
One is to just naively trust the extension. This can sometimes lead to security problems because it causes the OS to open a file is the "wrong" program if the file extension isn't named right.
Another is to utterly ignore the extension and just read the starting bytes of the file's content. Pretty much all files use an ID code as the first few bytes of content that define the file type. They all do this other than plain old ASCII files (Or Unicode UTF-8 files which end up kind of being the same thing as plain old ASCII.) In the UNIX world the first two bytes of file content were referred to as the file's "Magic Number" and you could figure out the type just from those two bytes. But later the algorithm to identify a file by its first few bytes got more complex as some files started using longer byte patterns so it's not just the first two bytes now sometimes it's the first 4 or the first 8.
In the Windows world, it wasn't so common to use the "magic number" idea originally, but it tends to use it more nowadays than it used to.
The problem with using the "magic number" method is that while it may be much more reliable than using the file extension that any user can just name wrongly, you cannot see this "magic number" until you open the file and start reading it. When the file is just a directory entry in a folder and you haven't looked inside it yet, you don't have anything to go on other than the extension. It's impractical and slow for a program that's showing a list of files in a folder to open every file one at a time to read the magic number from all of them. It relies on the file extension to decide what to show you on the screen for the file's icon, and to guess what program should open the file.
The reason .webp and .jpg both work is because often the same program that can read a .jpg file can also read a .webp file, so once the program is opening the file and reading the content, it (should) no longer care what the filename extension was and just believe the magic ID number in the file's content. When it reads that it goes, "oh, this is webp. Well I know how to display those so I'll read this file as webp and show it" and it completely ignores that the filename claims it's a jpeg file.
The place where the file extension being wrong for the format causes big problems is when the program that can read a file of one type cannot read a file of the other type. Then the extension being wrong causes the system to open it in the wrong program, which can't deal with it.
[deleted] t1_ixwz8bo wrote
Reply to eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
Don't buy the brand that "shreds your skin." I don't even know what brand that is, because I've never had a wheel lighter do that.
Smashville66 t1_ixwxxj8 wrote
Reply to eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
I like zippos, but I grew up in a family of cigarette smokers. Dad used to say that disposable lighters are for amateur smokers, zippos are for professionals. Dad meant well, I think, but he had some strange ideas.
[deleted] t1_ixwwe0e wrote
FindorKotor93 t1_ixwvlaa wrote
Reply to comment by -WhatCouldGoWrong in eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
It's been a few years mind, but pound shops and home bargains usually have packs of 3 electrics for a quid.
-WhatCouldGoWrong OP t1_ixwv912 wrote
Reply to comment by Aussie_Mo_Bro in eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
peizo?
-WhatCouldGoWrong OP t1_ixwv69n wrote
Reply to comment by FindorKotor93 in eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
dude id happily pay £2 for 6 electric lighters right now! gonna go pound shop tomorrow
-WhatCouldGoWrong OP t1_ixwuz9a wrote
Reply to comment by Mnmcdona in eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
*does his best robert duvall impression*
​
i love the smell of shredded skin in the morning!
​
maybe im getting old and grumpy or just need to buy better lighters. I'm looking at a blood blister on my lighter finger and I'm genuinely hating the wheel right now
thedeejus t1_ixwuhgw wrote
Reply to ELI5: How is it that all directions from the North Pole are South, and not, say, slightly East or West? by QuestionablePotato42
imagine you're in Kansas City, then you travel 100 miles due south. If you drew a line between the two points, then extended that line all the way around the world, like a spun-around equator, it would pass through the north pole right? That's how you know it's "due" north or south, because it passes through the poles, any other direction wouldn't.
Well, if you draw an equatorial line between the north pole and any other point, it passes through the north pole, by definition.
Mnmcdona t1_ixwubre wrote
Reply to eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
Also, a lot of people like the sound. Seems inconsequential but the wheel is part of the experience for some people
Aussie_Mo_Bro t1_ixwt2zd wrote
Reply to eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
Because it is cheaper, reliable, and easier to manufacture.
You also don't have to worry about the peizo dying before the gas runs out
29-sobbing-horses t1_ixwseku wrote
Reply to ELI5: How is it that all directions from the North Pole are South, and not, say, slightly East or West? by QuestionablePotato42
If you’re at the top of a pyramid you can go left right forward or backwards but no matter what you’re also going down. Same logic
hapkidoox t1_ixws8lp wrote
Reply to comment by DaveyJonesXMR in eli5: flint and wheel lighters vs electric click lighters..why is the flint and wheel still a popular design by -WhatCouldGoWrong
Haven't had a sig in a while. Then again I picked them up usually for the fifteen minute break at work. Still prefer a good cigar or a pipe. Though finding navy flake for my pipe round here is all but impossible.
StatusBattle9300 t1_ixws4g7 wrote
Reply to comment by Fat_IRL in ELI5: How are archers “efficient” in combat? by Environmental_Point3
Professional archer here; no 12 year old can pull a 50lb draw, especially any recurve or longbow format. Re. compound bows, maybe if they were abnormally strong they could get to the let off point just once where the cams drop the weight down to 8lbs, but I doubt it. They’d have to pull 50lbs many inches to get there. Most 12 year olds will start on 14-18lb bows and by the time they’re full adults age they’d be pulling 54lbs ish if they were really fit, had great technique and a decent enough amount of muscle. I shoot every day and pull 56lbs, by the end of sessions I’m absolutely shattered.
Apart from that nitpick, really good explanation of the muscle use.
remarkablemayonaise t1_ixwrouk wrote
Reply to comment by [deleted] in ELI5: Entropy of the Universe by [deleted]
The Big Bang is like a bomb exploding. It starts off nice and ordered. Over time it gets more disordered. The direction of time is defined by the change from order to disorder.
Truth-or-Peace t1_ixwrltr wrote
Reply to ELI5: Entropy of the Universe by [deleted]
Entropy is a measure of how many different (microscopic) states would meet a given (macroscopic) description. For example, suppose we have 64 pennies on a chessboard. There's exactly one way for them to meet the description "all on square a1": the first penny would have to be on a1, and so would the second penny, and so would the third penny, and so on. On the other hand, there are 64!≈10^(89) ways for them to meet the description "one penny per square": there are 64 different pennies that could be on square a1, and after that's chosen there are 63 different pennies that could be on square a2, and after that's chosen there are 62 different pennies that could be on square a3, and so on. So "one penny per square" is much higher-entropy than "all on square a1". Similarly, a universe where all the matter/energy is in one place ("Big Bang") is lower-entropy than a universe where the matter/energy is all spread out evenly ("heat death").
There's a weird sort-of-law of physics that says "the entropy of the universe always increases over time". It is, in fact, the only known difference between the future and the past: all other laws of physics work the same in reverse as they do when running forward.
[deleted] OP t1_ixwrk70 wrote
Reply to comment by [deleted] in ELI5: Entropy of the Universe by [deleted]
[removed]
[deleted] t1_ixx3ruv wrote
Reply to eli5: why do birds bop their heads when they walk? by Capitan_kermit86
[removed]