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Everything posted by Sensei
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Plausible visions and thoughts. But there is one problem. At least for You. You would not exist in this parallel Universe, if I would restart from backup took before WW1, and prevent it etc.. You exist, and you are you, just because history of the Universe went specific path in the past. If there would be no WW1 and WW2 or WW3 or WW4 etc there would be different wars which would be called WW1 and WW2 or WW3 or WW4 etc...
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If somebody would like to remove water from solution he/she can: - freeze it (ice forms on the top so you should remove it when it forms.. also solubility of salt depends on temperature therefore I told you to gather and learn properties of compounds that you have in solution and analysis of data), https://en.m.wikipedia.org/wiki/Fractional_freezing "Freeze distillation is a misnomer, because it is not distillation but rather a process of enriching a solution by partially freezing it and removing frozen material that is poorer in the dissolved material than is the liquid portion left behind." - vacuum distillation. https://en.m.wikipedia.org/wiki/Vacuum_distillation "Vacuum distillation is often used in large industrial plants as an efficient way to remove salt from ocean water, in order to produce fresh water. This is known as desalination." (you just have different salt than seasalt) Having vacuum pump in the home lab is essential thing (apart glassware and stirrer with temperature control). - evaporate excess of water. https://en.m.wikipedia.org/wiki/Evaporation You have to start listening and reading the all materials which are given to you.. If you would ask "how would you efficiently extract alkaline carbonates from solution?" people would give you their ideas. But you asked "how to filter alkaline carbonates from solution?" and upset because people answered "it won't work".. Ask the right questions in the first place..
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OP should ask for methods of separation of chemical compounds. "filtering" is not surprising term for typical layman. https://en.m.wikipedia.org/wiki/Separation_process 1) read Wikipedia articles of compounds in solution. 2) write down their properties. 3) pick up the one which is the most suitable, utilitizing differences in properties.
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Moon size. Calculation and confirmation.
Sensei replied to AlexandrKushnirtshuk's topic in Speculations
I suggest you to download and install a 3D application e.g. Blender and creation of cosmic objects: Earth, Moon and Sun with exactly the same parameters as you can find in Wikipedia articles. Then start animation in 3D. You will be able to check whether these parameters are working correctly and give you well known results.. -
How do I demonstrate gravitational influence mathematically?
Sensei replied to Butch's topic in Classical Physics
If distance between 3rd object and group of 1-2 objects is significant, you can calculate center-of-mass of group 1-2, then use it like it would be one object. If you would be also interested in direction: If object A is at p0, object B is at p1, direction vector is normalized vector of result of subtraction. Pseudo code: vector p0, p1; vector delta = p1 - p0; direction = normalize( delta ); normalize( vector ) is equal to: double length = length( vector ); normal.x = vector.x / length; normal.y = vector.y / length; normal.z = vector.z / length; (notice you can't divide by zero!) length( vector ) is equal to: double length = sqrt( x^2 + y^2 + z^2 ); Dot product of two normal vectors is cosine of angle between them so you can learn what is angle in radians/degrees using arc cosine. So, if you have object A at position p0, object B at position p1 and object C at position p2. And AB makes a group of two close objects, you can calculate: vector delta20 = p2-p0; vector delta21 = p2-p1; double cosine = dot( normalize(delta20), normalize(delta21)); The closer cosine variable is to 1.0 the smaller angle was between AC and BC (because arccos(1)=0) The sharper angle the longer distance. -
Chemosynthesis doesn't require a light source such as the Sun. https://en.m.wikipedia.org/wiki/Chemosynthesis Photosynthesis is not the only way an autotrophic organism can obtain fuel and energy.
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Why I cant delete files in temp folder - window 10.
Sensei replied to PeterBushMan's topic in Computer Science
I have Win7 and also can't delete some files in temp directory. It is normal. Any application can create (and keep access lock to) temporary files by using GetTempPath()/GetTempFileName() functions: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-gettemppatha https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-gettempfilenamea Reread what I wrote in the previous post and identify which processes opened these files. And kill these processes/services. If process/service is shutdown, it should release exclusive access lock to temporary file. The real problem would be if files would be really big. *) You can try: edit environment variables e.g. change TEMP and TMP from default value: %USERPROFILE%\AppData\Local\Temp to something else. e.g. change to Temp2. Then restart the computer. Then you should be able to delete old Temp folder with the all contents (because it is no longer used). New temporary files should appear in Temp2 folder instead. Then rename environment variables back to the original value, and restart the computer once again. *) They can be e.g. automatic updates downloaded from the Internet. -
Production of a high quality pure product most often requires distillation and/or vacuum distillation to remove impurities.
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If the experiment was performed in the Fermilab, I would expect results being published on the Fermilab website. https://en.m.wikipedia.org/wiki/Muon_g-2 The reference was given in the Wikipedia article: https://news.fnal.gov/2021/04/first-results-from-fermilabs-muon-g-2-experiment-strengthen-evidence-of-new-physics/
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Why I cant delete files in temp folder - window 10.
Sensei replied to PeterBushMan's topic in Computer Science
If file is at the moment opened by some application or operating system, it cannot be deleted. Files can be opened in read, write or read-write mode. Files can be opened in shared or exclusive mode. Exclusive mode means no other process can access (open) file. Process holds handle to the file. You can learn which file is accessed by which process using FileMon or SysInternals. https://docs.microsoft.com/en-us/sysinternals/ If DLL (dynamic-link library) is opened by LoadLibrary() function it can't be deleted, until the all processes call FreeLibrary() or shutdown. DLL doesn't have to have .dll extension. -
How to capture electrons from photoelectric effect?
Sensei replied to DARK0717's topic in Modern and Theoretical Physics
The metal is usually a very good reflector (mirror).... -
@Dem93 I would try to use distilled water instead of tap water, the next time you will be preparing and boiling saline solution in your stainless steel pan, to see if it makes any difference. Don't change anything in your procedure except replace tap water by distilled water. Water can be fluoridated and/or chlorinated in some countries: https://en.wikipedia.org/wiki/Water_fluoridation_by_country https://en.wikipedia.org/wiki/Water_chlorination additionally it may contain unexpected elements ("water hardness"), such as Ca2+, Mg2+ https://en.wikipedia.org/wiki/Hard_water Additionally, in some countries salt is iodized: https://en.wikipedia.org/wiki/Iodised_salt Sea salt contains much more elements than just NaCl: https://en.wikipedia.org/wiki/Sea_salt 15% are impurities.
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How to capture electrons from photoelectric effect?
Sensei replied to DARK0717's topic in Modern and Theoretical Physics
To create plasma arc use Van de Graaff generator. This is from my own: Alternatively you can build Cockcroft Walton generator https://en.m.wikipedia.org/wiki/Cockcroft–Walton_generator -
Create a current from emitting coil like em wave
Sensei replied to fredreload's topic in Speculations
No. To create a current, a photon would have to be absorbed by an electron which then would be ejected from the medium's atoms and accelerated. The ejection of an electron from an atom in a medium requires the addition of energy. Such thing happens in e.g. photoelectric effect: https://en.wikipedia.org/wiki/Photoelectric_effect A photon passing though a transparent medium has to exit it from the opposite side (otherwise the medium is opaque). An opaque medium can: reflect photons, refract photons (in random directions) or absorb photons. (a transparent medium for photon with one energy/frequency/wavelength is often opaque for photon with different properties!) An alternative (and actually more common) thing that can happen after a photon is absorbed as it passes through a medium is heating it. Radiowave antennas are absorbing some photons, which accelerate some (a very few) electrons in the metal, in one direction, then in other direction (depending on photon properties). Therefore the antennas are connected to amplifiers https://en.wikipedia.org/wiki/Antenna_amplifier which detect these minor currents and amplify them. -
Create a current from emitting coil like em wave
Sensei replied to fredreload's topic in Speculations
I think you have no idea what you are talking about.. When photon, with the right properties, passes through transparent medium with appropriate properties and there is applied external magnetic field, photon's polarization is rotated. It is called Faraday rotation. https://en.m.wikipedia.org/wiki/Faraday_effect and device is called Faraday rotator. https://en.m.wikipedia.org/wiki/Faraday_rotator -
The real world example of what OP said ("westernization of people"): How about ex-bedouins wearing cylinder hat, and Western country clothes: Westernization has good ("harmless") sides (like the above example) and dark sides. If you are unfamiliar with this term read Wikipedia article: https://en.m.wikipedia.org/wiki/Westernization
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The intent of Israel bombing AP/Al Jazeera offices
Sensei replied to StringJunky's topic in Politics
The spread of disturbance around the world.. They are homemade. https://en.m.wikipedia.org/wiki/Qassam_rocket Just to remind you the plot of the events: https://www.nytimes.com/2021/05/07/world/middleeast/evictions-jerusalem-israeli-palestinian-conflict-protest.html -
The intent of Israel bombing AP/Al Jazeera offices
Sensei replied to StringJunky's topic in Politics
Jews made impressive transformation.. Impressive in very bad sense.. Transformation from nation which was bulk exterminated during II world war - tragedy which aroused sympathy and compassion in hearts of people around the world.. Now they regained status of the most hated nation of the world. Impressive degradation..- 44 replies
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How about this? https://www.google.com/search?q=human+concentration+time "According to a study by Microsoft, the average human being now has an attention span of eight seconds. This is a sharp decrease from the average attention span of 12 seconds in the year 2000." https://en.m.wikipedia.org/wiki/Attention_span
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You mix (and put them in the same bag) investment banking, enterprise banking, with classical banking ("retail banking") i.e. an institution which just collects deposits from people with money/assets, and distributes them across investors which need funds to build new businesses. A successful businessman, with good business plan (which is carefully analyzed), will have the money to pay back loan and the bank will have the money to give their deposit owners plus interest. Interest of classical bank is identical with client's interest. They both want to build a successful business that works flawlessly. The investment bank/enterprise bank is often a hidden player i.e. knows how much other players (bank clients) put into some financial instrument, and having this abnormal knowledge is/can be actively playing against them, or employee of an investment bank can play against his/her own clients, or release info to other players (typically for bribe) to give them an advantage over other players etc. Even classical banking eroded these days i.e. because bank employees are receiving premium bonus to wage for every new loan they gave. Typically regardless of quality. From point of view of bank client which received credit and pays regularly loan installments is good client. From point of view bank employee what only really matters is quantity of clients, and amount of bonuses. i.e. bank's interest is against bank employee's interest (!) and he/she can play against institution in which he or she works for (by giving loans to people who will surely have troubles pay them back) ! Bank (in good classical banking) wants to have as few as possible 'bad credits'. Bank (in extremely eroded classical banking) wants to cause bankrupt of their own clients which received loans to intercept their assets (which is often the case in US these days.. what happened in 2008/2009 was "fixed" in the most worstest way). Classical banking eroded in many ways: consumption loans. Such are bad loans since the beginning! Because they give nothing worthwhile (maybe except volatile, a few day, joy) to the client which took them. Instead, often puts them into debts and troubles. Loans for Christmas Holidays? For better food, gifts to family and friends? Absolutely silly to take and give such loans! Every year, every holiday, I hear the same advertisements of quick and cheap loans around November and December.. If you can't afford it, you should not take loans for extravagances. The economic system and banking system on this world are totally eroded. Interest rates with variable part? Client for loan should know since the first day, before taking loan, how much will have to pay at the end, and any bit more. Regardless how long it will take to pay back. Currently you can take $100 and you might end up returning $1000.. Any attempt to fix the situation e.g. return back to positive interest rates would result in complete collapse of economic system, because borrowers would not able to pay them back anymore. Borrowers (individual and corporate) who took the money (with current minimal rates) and invested in stock exchange, would have to sell stocks (the all borrowers, at the same time), and stock markets would collapse. Then, corporations with loans by themselves, which used their stocks as guarantee, would be put into trouble and forced to sell them, forced to introduce optimizations i.e. sell assets, fire employees. etc. etc. The economic and banking system in this world is a "house of cards" ...
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I think people don't count correctly costs and energy consumption, because they concentrate just on CC side. The real existing paper money requires: ATM (millions of them!), terminals, delivery from/to banks/shops/offices/homes (delay), guards delivering money from ATM to/from banks (wages, fuel, equipment etc), additional security and staff in banks/shops/offices, printing and replacing damaged units from time to time, money safes and money counters in banks/offices/shops/homes, hard to measure cost of delay in transaction due to physical existence (e.g. consumer has to drive for money to ATM and return back).. etc. etc. Multiply by the all people on the world using physical money and I bet it will consume more energy than CC. Paper money must be recreated when it is too much damaged. It happens every couple months or years. Unlike coins, raw material can't be reused, so yours $0.05 per unit, is underestimated IMO.
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Which country is not volatile? Where is Roman Empire now? Ancient Greece? Egypt? They existed for thousands years and now.. gone..
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In "good old times" (before "invention" of financial instruments) money was a tool to buy somebody time of life. e.g. anybody can sow the seed, harvest grain and bake bread. All by himself/herself. But it all takes time. There are easy tasks which anybody can perform with none or minimal schooling, and as a result they have low value per second, and there are hard tasks which have extremely high value per second of work. They require specialist knowledge and/or expensive equipment etc. Wages of working people, prices of products, expressed in local currency, are methods of weighting time of life of different people. The introduction of financial instruments, then movement to "worthless" *) paper (or equivalent) cash, then movement to virtual money in a computer memory/storage, broke the all rules.. *) "worth as much as we agree", which is/can be very volatile (Forex) and artificially intentionally modified.. If everybody would agree "we work as usual and nobody asks for money for anything" entire world would still work, a lot of good things would happen. Nobody would steal and kill for (not existing anymore) money. Crimes involving interception of somebody money would disappear. Narcotics and crimes related to them would disappear. The only narcotics dealers would be the one which are addicted by themselves. Some would say it would be "world of slaves".. But right now this world currently is "world of slaves of money"..
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Sounds you never worked in IT corporation.. Some programmer told me that they (he and the team he worked for at a time) were making ~ 30 lines of code per month. Every change of line he made required meeting with senior software engineers, hours discussion, acceptance and sending to automated test drive taking hours or days, and manual test drive.. For somebody unaware, from external world, "lazy person" might be indistinguishable from somebody thinking how to do something efficiently, correctly, without introduction of new bugs and problems in the app which has millions of lines of code.. Techniques which are fast and cheap (for IT company) to implement, are usually slow and inefficient for end user of the application. Book writers, music composers, artists, programmers, often spend time on "nothing" (indistinguishable from nothing from layman's perspective), when in the reality they are doing work in their brain, thinking. Jobs which don't require thinking and creativity are easily replaceable by automats, robots, machines and computers. In physical work it is much easier to tell whether somebody is lazy or not by comparison of the results with other employees doing exactly the same task. In intellectual creative work it is much harder to compare employees results. ..wallpapers is low quality cheap finish.. Funny in the context of your previous statement "someone who spends all of thier time trying to find a way to do as little work as possible"..