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Vegetable posted:Does carbon impact differ based on location? If you have two exact same factory emitting the exact same levels of things in different locations, could they have differing impacts on climate change? Same thing for trees — could a tree in one place be better for climate change than the same tree in a different place? It’s not my area of expertise, but from my understanding local CO2 emmission can create ‘CO2 domes’ where conditions are different from outside. It being warmer being a big one. Different types of plants also react differently to increases in atmospheric CO2. Some will thrive, others not so much. So if a CO2 dome covers an area that contains sensitive nature, the impact will be bigger. As for planting trees, the answer is Yes, there is absolutely a huge difference. Every ecosystem has its own particularities, and just planting trees everywhere without regard of that fact will result in a lot of wasted effort. For example: China has huge reforestation projects, but they’re done in typical Chinese brute force fashion: planting billions of trees in an arid plain, without adressing problems with the water cycle and soil quality. Most trees planted this way are dead within a few years. Another aspect is the amount of available nutrients like bound nitrogen. It might feel counter intuitive, but ecosystems like a tropical rainforrest have relatively very little free nutrients going around. It’s all locked up in already existing biomass: something needs to (die and) decompose before something new can grow. In this way rainforrest are not an actual carbon sink, they’re more or less carbon neutral. As long as you don’t start pillaging and rob the forrest of its precious nutrients, ofcourse. So: theoretically, ecosystems that have very little already existing biomass can serve as the biggest carbon sinks. But just planting trees in these places is not enough.
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Dec 4, 2022 10:45
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Mister Speaker posted:...so no matter how many times you subdivide things you're still effectively estimating to some degree - like audiophile nuts say, 'staircases instead of waves' I can't help you out with the calculus, but it's worth pointing out that as long as you're sampling something at twice the frequency of the highest frequency in the signal, you can reproduce it perfectly.
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Dec 4, 2022 11:01
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Mister Speaker posted:Does this quantization mean we can't actually estimate the exact area of a circle, or under a curve? Specifically for a frequency analysis I think the Nyquist–Shannon sampling theorem tells you how many 'slices' you need to take to fully capture all the info in a signal. edit: beaten on Nyquist–Shannon yet again
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Dec 4, 2022 11:07
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actionjackson posted:in the godfather, why did michael have so many people killed at the end? He’s eliminating rivals that we’re moving against him due to his familes weaknesses. Also I believe he was operating on the principle that he could not leave them alive to potentially team up against him in the future so they all had to go.
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Dec 4, 2022 13:06
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Mister Speaker posted:How does the integral function work? Okay, don’t ask me to actually do it, but it works something like this: Say you have a function (a formula) that describes the speed of a car over time. You can plot this function on axes. On the y-axis there is the speed, on the x-axis is time. The integral is the surface under the line, which in this case is the distance the car traveled. We can express the distance traveled over time as a ‘primitive function’ of the original function of speed. You can also do this in the opposite ‘direction’: the derivative of a primitive function is the original function. In our example: - The primitive of the function describing speed is a function describing the distance traveled. - The derivative of that primitive function describes changes in the rate of distance traveled over time: our original function of speed. - The derivative of the original function for speed describes the changes in speed over time: acceleration. We can say that for any function, the primitive describes the amount of ‘work’ done by the function, while the derivative describes the rate of change: distance - speed - acceleration. How do we get the primitive function so we can calculate the integral? For our example, when you travel at a constant speed, this is easily calculated: distance = speed x time. For more complicated functions with exponents we need a bit more algebra than I’m able to explain. But the principle remains the same: you transform your function to describe how much ‘work’ has been done. Then plug your start and end point into this transformed function, walla: your integral!
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Dec 4, 2022 15:01
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I'm a permanent resident of a tax free country. I live and work here on a permanent basis. That being said, I have family and ties to the UK. If I buy stuff for personal use over there with the express and sole purpose of bringing it back to the tax free country, is there a way for me to waive VAT? For example, I was thinking of buying some PC components and a PS5 whilst I visit family in the UK, and then get VAT waived at customs in Heathrow or something. I just don't know if this is a thing though.
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Dec 4, 2022 15:46
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Mister Speaker posted:I've been reading and watching some pop science videos about mathematics lately, not sure why because it's always been a weak subject for me - barely having passed in highschool and not giving a poo poo at the time - but I do find it fascinating. ianae but my understanding is that if the scope of the wave you’re analyzing is unbounded then yes, the analysis is infinite. However, the waves we’re doing the analysis on are bounded in some way (like frequency of a recorded sound or spectrum of a light beam running down an optical fiber), then the analysis is finite.
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Dec 4, 2022 15:51
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Ironhead posted:How difficult would it be to move from the US to England? Specifically I'm the Head Carpenter for a fairly large regional musical theater company in Texas, and I'd be interested in going to London where they originate shows and getting involved. If you can get a place to hire you before you arrive, pretty easy. There are caveats (you need to be paid over a certain amount and they need to be registered to hire overseas applicants), but that's the simplest way. If you have money in savings, even better. That said, I know thing's aren't great in the USA right now, but they're also kinda hosed here, especially if you want to live in London. The cost of living is an absolute nightmare. Even the public healthcare system is completely broken. So from that perspective, not very easy at all. It's a fun city to live in, but hoo boy it's rough lately!
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Dec 4, 2022 15:59
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I have this neat little spray bottle where you put in a scoop of table salt (it comes with a scoop) and fill with water up to the line, shake to mix, then press the button and it turns the salt water into chlorine disinfectant through electrochlorination. Surely that's not resulting in 100% strength chlorine bleach? So how do I calculate the strength of it? (I haven't taken chemistry in a very long time)
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Dec 4, 2022 16:10
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Also, is there a Canadian law questions thread? (unrelated to the bleach thing)
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Dec 4, 2022 16:11
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Killingyouguy! posted:I have this neat little spray bottle where you put in a scoop of table salt (it comes with a scoop) and fill with water up to the line, shake to mix, then press the button and it turns the salt water into chlorine disinfectant through electrochlorination. You can use test strips to determine the chlorine concentration. There’s been lots of chat about how to make homemade disinfectants in the cspam covid thread and lots of people have posted the chemistry involved. Iirc you can control the products of the reaction with the quantity of salt and vinegar and time. This post might be a good starting point https://forums.somethingawful.com/showthread.php?noseen=1&threadid=3997695&pagenumber=2346&perpage=40&highlight=chlorine,ppm#post527014234 Edit: actually I bet platystemon is like 12 minutes away from explaining how to optimize your situation from first principles.
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Dec 4, 2022 16:44
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Killingyouguy! posted:I have this neat little spray bottle where you put in a scoop of table salt (it comes with a scoop) and fill with water up to the line, shake to mix, then press the button and it turns the salt water into chlorine disinfectant through electrochlorination. The strength of bleach can be expressed in chlorometric degrees. Household bleach products contain between 8 and 15 chlorometric degrees. One degree equals about 3.2 grams of active chlorine per liter. You need aprox 3.2 / 0.6 = 5.3 grams of salt per liter for 1 chlorometric degree. This is ofcourse assuming that your spray bottle manages to get a 100% of the salt into active chlorine.
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Dec 4, 2022 16:57
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Mister Speaker posted:But I'm stuck on something with wrapping my head around Integrals. One or two of the videos I've watched, and rewound, and watched again, imply to me that measuring the area under a curve is essentially a matter of quantization: You're drawing a bunch of rectangles with heights averaged along the curve (I'm probably butchering the lexicon here, sorry, bear with me), so no matter how many times you subdivide things you're still effectively estimating to some degree - like audiophile nuts say, 'staircases instead of waves', but as ridiculous as that is in an audio context, I thought the purity of absolute mathematics would require some much higher degree of precision. Does this quantization mean we can't actually estimate the exact area of a circle, or under a curve? As the rectangles get narrower the difference between their area and the area under the curve approaches zero. The integral is the limiting value of the area of the rectangles as their width goes to zero. That's a well-defined value and not an approximation. The idea of a limit took most of the nineteenth century to develop, so don't feel too bad about not getting it right away. There's probably a geometric interpretation of the Fourier integral, but honestly it's better to think of the integral as a rule for assigning a value to a function. In some cases you can interpret that value as the area under the graph of that function, but in other very important cases you really can't.
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Dec 4, 2022 19:02
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Extra row of tits posted:He’s eliminating rivals that we’re moving against him due to his familes weaknesses. Also I believe he was operating on the principle that he could not leave them alive to potentially team up against him in the future so they all had to go. ah ok thanks i also thought it was weird that at the end of the second film, he embraces Fredo at his mother's funeral, but then immediately has him killed - why did he embrace him after already disowning him?
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Dec 4, 2022 19:11
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Qubee posted:I'm a permanent resident of a tax free country. I live and work here on a permanent basis. That being said, I have family and ties to the UK. If I buy stuff for personal use over there with the express and sole purpose of bringing it back to the tax free country, is there a way for me to waive VAT? For example, I was thinking of buying some PC components and a PS5 whilst I visit family in the UK, and then get VAT waived at customs in Heathrow or something. Just pay some drat tax
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Dec 4, 2022 21:22
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Qubee posted:I'm a permanent resident of a tax free country. I live and work here on a permanent basis. That being said, I have family and ties to the UK. If I buy stuff for personal use over there with the express and sole purpose of bringing it back to the tax free country, is there a way for me to waive VAT? For example, I was thinking of buying some PC components and a PS5 whilst I visit family in the UK, and then get VAT waived at customs in Heathrow or something. Here's the page for VAT refunds but there don't seem to be many cases where you could use it https://www.gov.uk/tax-on-shopping/taxfree-shopping You have to buy something but get it shipped to your home country and mail order goods and internet shopping don't count.
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Dec 4, 2022 21:35
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Mister Speaker posted:Does this quantization mean we can't actually estimate the exact area of a circle, or under a curve?
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Dec 4, 2022 21:53
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Mister Speaker did you skip Limits? Do not skip Limits if you want an understanding of calculus! They are important! (they are not important in the real world but they are extremely important to mathematical theory as a foundation for other stuff you can do)
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Dec 4, 2022 22:56
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Thanks for all the replies to my math(s) question! As I said I'm a turbo layman who wishes I had paid more attention in high school Functions class. I will definitely read up on Limits as well, I figure there are some good mathematics channels to peruse for this stuff. And I'll take further questions to the Math Thread. Thanks again!
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Dec 5, 2022 00:41
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actionjackson posted:ah ok thanks Take with a grain of salt, I’m relying on a memory.. his embrace is the kiss of death. Their traditional way of telling someone “I’m going to kill you”. He does this after he learns that Fredo tried to have him assasinated.
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Dec 5, 2022 02:33
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I am in the US and want to send a postcard internationally. I have a bunch of (domestic) forever stamps and don't want to bother buying international forever stamps since I don't send that many international postcards. Can I get away with just putting three domestic forever stamps on the card, or do I need the international stamp?
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Dec 5, 2022 04:26
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Badger of Basra posted:Can I get away with just putting three domestic forever stamps on the card, or do I need the international stamp?
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Dec 5, 2022 04:48
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Bucky Fullminster posted:Just pay some drat tax I've already paid my fair share when I was living and working in the UK. I don't have a lifelong obligation to needlessly pay taxes to a country I haven't resided in for the past three years, nor plan to reside in for the foreseeable future. greazeball posted:Here's the page for VAT refunds but there don't seem to be many cases where you could use it https://www.gov.uk/tax-on-shopping/taxfree-shopping Ah drat. There used to be a VAT refund scheme but I guess they removed it.
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Dec 5, 2022 05:49
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Qubee posted:I've already paid my fair share when I was living and working in the UK. I don't have a lifelong obligation to needlessly pay taxes to a country I haven't resided in for the past three years, nor plan to reside in for the foreseeable future. You're using their infrastructure to buy the things, so you pay their taxes to finance that infrastructure. Much like I pay Swedish VAT when I cross the bridge, despite never living or working in Sweden. Not paying taxes and trying to dodge them makes you a selfish prick
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Dec 5, 2022 07:59
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Qubee posted:I've already paid my fair share when I was living and working in the UK. I don't have a lifelong obligation to needlessly pay taxes to a country I haven't resided in for the past three years, nor plan to reside in for the foreseeable future. Count your blessings that you only have to pay tax on things you actually buy and use. Check this poo poo out: https://www.irs.gov/individuals/international-taxpayers/us-citizens-by-birth-or-through-a-us-citizen-parent quote:All U.S. citizens are subject to U.S. income tax on their worldwide income, regardless of where they reside. U.S. citizens residing abroad are subject to the same income tax filing requirements that apply to U.S. citizens living in the United States. I pay income tax where I live, and then I have to pay income tax to the states if my gross income is over the Foreign Earned Income Exclusion. I have to complete the filing every year regardless of my income. There's this too: https://www.irs.gov/businesses/small-businesses-self-employed/report-of-foreign-bank-and-financial-accounts-fbar quote:Per the Bank Secrecy Act, every year you must report certain foreign financial accounts, such as bank accounts, brokerage accounts and mutual funds, to the Treasury Department and keep certain records of those accounts. You report the accounts by filing a Report of Foreign Bank and Financial Accounts (FBAR) on Financial Crimes Enforcement Network (FinCEN) Form 114. This means I have to report every bank account and employee pension fund every year too. And investing in foreign managed mutual funds is punitively taxed to the point where you lose money every year (look up Passive Foreign Investment Companies to learn more). So don't pay tax you don't have to, but don't complain too loudly around Americans. It could be a lot worse. Something else to think about for that person upthread who wants to move to London.
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Dec 5, 2022 09:45
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Qubee posted:my fair share Your fair share includes whatever tax is on the items you're purchasing in the country you're visiting, even if it didn't raise you and you don't have family there. Qubee posted:I don't have a lifelong obligation to needlessly pay taxes to a country I haven't resided in for the past three years, nor plan to reside in for the foreseeable future. Right, and clearly no one is making you, until you want to buy goods or services from them. If you don't want your money going to the UK then just buy it somewhere else. Bucky Fullminster fucked around with this message at 11:38 on Dec 5, 2022 |
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Dec 5, 2022 11:31
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VAT is kind of a basic sales tax, it's intended to hit foreigners as well as residents. I'm surprised there aren't more carve-outs in the UK though. I know of at least a couple EU countries that allow non-EU citizens to get sales tax refunded on luxury items, but it usually isn't worth the effort. You've got to fill out a form with your personal information and get it stamped by customs on the same day that you are leaving the country. And of course you have to declare the item in customs when arriving at your destination, where it may or may not be taxed depending on local rules. I'm not sure if consumer electronics are covered. Perhaps a big ticket item like a new gpu? It's almost always designer hand bags, fur coats and the like. It wouldn't really be worth the effort for most PC components Fruits of the sea fucked around with this message at 12:23 on Dec 5, 2022 |
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Dec 5, 2022 12:18
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Badger of Basra posted:I am in the US and want to send a postcard internationally. I have a bunch of (domestic) forever stamps and don't want to bother buying international forever stamps since I don't send that many international postcards.
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Dec 5, 2022 13:44
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Mister Speaker posted:Thanks for all the replies to my math(s) question! As I said I'm a turbo layman who wishes I had paid more attention in high school Functions class. I will definitely read up on Limits as well, I figure there are some good mathematics channels to peruse for this stuff. And I'll take further questions to the Math Thread. Thanks again! Check out Khan Academy (website, not YT channel). I'm going back to school in my 30s and need to pass a calculus course to get my degree. KA has been really helpful in re-learning the basics and then for real learning the stuff I blew off in high school.
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Dec 5, 2022 14:48
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I'm using Windows and I need to record something using my laptop camera and microphone that I can upload to YouTube. Any recommended free software?
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Dec 5, 2022 19:31
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Thirteen Orphans posted:I'm using Windows and I need to record something using my laptop camera and microphone that I can upload to YouTube. Any recommended free software?
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Dec 5, 2022 19:37
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https://obsproject.com/ use OBS Studio, it's free and very good efb
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Dec 5, 2022 19:37
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Thank you!
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Dec 5, 2022 19:38
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Fruits of the sea posted:VAT is kind of a basic sales tax, it's intended to hit foreigners as well as residents. I'm surprised there aren't more carve-outs in the UK though. Not really a question, but I will answer it anyway: VAT is a basic sales tax, and because it's so basic, you don't really think about it as a flat tax. Yes, the kind of flat tax that liberals/libertarians always bring up. The very uncool thing about flat taxes is that they hit a lot harder if you don't have a lot of money, so VAT is in fact benefiting the rich. Which is why the UK doesn't have carve-outs.
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Dec 5, 2022 21:30
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This is something that has bothered me since I was a little kid, but it comes up so infrequently that I've never brought it up before: I have a really awkward reaction when I see videos (or gifs or what have you) that play forward and then in reverse. It makes me feel ill, like a hint of nausea. I don't have an issue where a gif loops because the last frame is similar enough to the first frame, or when I'm seeing videos forward or in reverse; it's just when they go forward and then back, usually in a loop. I remember there was a commercial that came on all the time, where this dog was shaking its head because it didn't like the Other Brand's dog food, but of course it was just the dog looking off in one direction and they just reversed it and played it forward again to create the illusion that the dog is shaking its head. I used to just feel awful after seeing it. The music video to Pulp's "Common People" is something I just can't watch. It hurts to see it. https://www.youtube.com/watch?v=yuTMWgOduFM Does anyone else have this reaction? Is there... a name for this?
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Dec 5, 2022 21:37
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actionjackson posted:ah ok thanks Because he is still his brother. IIRC, Puzo was really against Fredo being killed
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Dec 5, 2022 23:05
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credburn posted:This is something that has bothered me since I was a little kid, but it comes up so infrequently that I've never brought it up before: Oh I get this and it comes up all the loving time on instagram because they have a "boomerang" option for videos that does it automatically. I just put it down to autism sensory issues though.
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Dec 6, 2022 00:18
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Are there any good series of videos of how complex machines work, something with the chill energy of How It's Made? My kid loves videos of machines and I want to find something straightforward and calm without some inane youtuber intro crap
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Dec 6, 2022 19:29
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Is there some special version of ChatGPT people are using to make all of these think pieces popping up all over the news? The one on the OpenAI site just says it can't do anything at all, much less anything newsworthy.
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Dec 6, 2022 19:37
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This one seems like the one people are using: https://chat.openai.com/chat Also a lot of the stuff being shared is people hacking around the artificial limits.
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Dec 6, 2022 19:53
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