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Everything posted by Sensei
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How many combinations can you have of protons/neutrons/electrons?
Sensei replied to Achilles's topic in Quantum Theory
There is limit how many additional electrons can have atom or molecule. After proton-capture or neutron-capture nucleus can become radioactive, unstable, and decay. -
How many combinations can you have of protons/neutrons/electrons?
Sensei replied to Achilles's topic in Quantum Theory
It's called Hydride https://en.wikipedia.org/wiki/Hydride -
But such input would cause endless loop, which will be instantly visible..
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To make tiny senseful contribution to this thread, I made quickly C/C++ program to generate Collatz Problem sequence integers. Source code is attached in archive. /* * CollatzProblem v1.0 created by Sensei (c) Aug 2018 */ #include <stdio.h> #include <stdlib.h> void CollatzProblem( int value ) { for(;;) { printf( "%d ", value ); if( value == 1 ) break; if( ( value & 0x1 ) == 0 ) { value /= 2; } else { value = value * 3 + 1; } } } int main( int argc, int *argv[] ) { if( argc >= 2 ) { const char *buffer = (const char *) argv[ 1 ]; int value = atoi( buffer ); CollatzProblem( value ); } else { printf( "Usage:\r\nCollatzProblem.exe [value]\r\n" ); } return( 0 ); } CollatzProblem.zip ps. If you want to test also negative integers, add lines: if( value == -1 ) break; if( value == -5 ) break; if( value == -68 ) break;
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What is the relationship between Electrostatic force and Electric field?
Sensei replied to Achilles's topic in Quantum Theory
Force is in Newtons unit. [math]F=k_e\frac{q_1 q_2}{r^2}[/math] Electric field is in V/m unit, or N/C unit: [math]F=q_1 E[/math] [math]E=k_e\frac{q}{r^2}[/math] Vector version of equation: [math]\vec{E(r)}=k_e\frac{q}{r^2}[/math] -
Electron is stable particle in Standard Model. Decay of electron has not been observed yet. Did you mean "recombination of electrons and nucleus" (i.e. deionization, capture of electron by nucleus (to form neutral atom)) instead of "decay".. ? If so, electrons are fired in vacuum, with high enough kinetic energy given by electron gun. They must decelerate prior being captured by some nucleus (to form neutral atom). e.g. when highly enough accelerated particle is hitting fluorescent/luminescent screen, there is emitted photon, and particle is decelerating. Photon can be observed. You should read how CRT (Cathode Ray Tube) is designed: https://en.wikipedia.org/wiki/Cathode_ray_tube
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What I meant was that if they would continue catching fishes, generation by generation, their brain would evolve bigger and bigger, as evolution would promote individuals with bigger brain, as they would more easily catch prey and have more offspring. BTW, you should compare e.g. eagle brain size with pigeon brain size, etc. at least in the same division of animals. Your examples are not their staple food, just accidental (except sharks and seals). Sharks have bigger brain than seals.
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And so what? If apes in Africa would not evolve to humans, they could evolve to "apes v2.0" and later to "humans v2.0".. Japanese monkeys started catching and eating fishes. That's quite good start. Predators require bigger brain to predict behavior of prey. https://www.japantimes.co.jp/news/2016/02/03/national/year-miyazaki-islands-fish-eating-monkeys/
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How about extending question to "where did monkey exist, outside of Africa, ...."? Howler monkey and few others in Central and South America.. https://en.wikipedia.org/wiki/New_World_monkey Macaque in North Africa (Morocco) and Asia, including Japan islands.
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Conveyor Belt Load monitoring and tracking software.
Sensei replied to prashantakerkar's topic in Computer Science
Yes. Did not I say it in the first post? I made such application (entire network), for steelworks.. -
Why doesn't the electron fall into the nucleus?
Sensei replied to Achilles's topic in Quantum Theory
In classic physics there is no electron. There is no quantization of charge e=1.6021766*10^-19 C. Classic physics don't deal with particles.. etc. etc. -
Conveyor Belt Load monitoring and tracking software.
Sensei replied to prashantakerkar's topic in Computer Science
There are existing such applications. How is that different from e.g. video conference.. ? One smartphone/tablet is recording video from front, back or both cameras, and sending through Internet, to yet another smartphone/desktop/FTP server.. Your application would have to be special with unique features for specific client, to be worthwhile purchase.. ps. Don't waste time on asking these "questions". Better buy C/C++, Java, PHP, Perl, Python books, read them, and learn programming.. During reading and learning you will see what is feasible to be done. -
Conveyor Belt Load monitoring and tracking software.
Sensei replied to prashantakerkar's topic in Computer Science
I made something similar for company owned by Arcelor Mittal. Single IR camera (worth $3k each) is monitoring single workplace (with liquid metal), it is connected to mini PC computer (something like Mini Mac, but with Windows installed). There is entire network of such setups in the hall. Software installed on mini-PC is taking screen-shot every second, resizing it to smaller resolution, compressing it, and sending through LAN to central computer, where is control application which joins the all camera screen-shots together on single screen to view by human administrator. Display is refreshed every second. -
That reminded me how formula 1 drivers handle it.. They have pipe in helmet and button on steering wheel to release fluid. https://www.youtube.com/watch?v=_d6nu0ofQaA Google for "f1 drinking system" or so.
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The keyword is an "international travel". If the cruise ship is not traveling internationally but locally, a passport is not needed. Some countries accept regular id, and passport is not needed. e.g. if you have EU citizenship (any EU country citizenship), you can travel entire Europe, without passport.
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There is 3142 isotopes of 118 elements. Majority of them, significant majority, are unstable. Free neutron is also unstable and decays with mean-life ~15 minutes.
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Private window mode doesn't store cookies and temporary files (so won't use and overwrite existing settings).
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It's in CSV format. Comma-separated values. Plain text file. https://en.wikipedia.org/wiki/Comma-separated_values If you're making script, you can do whatever you like. Make columns and records of data the way you like.
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No. It's moderately easy. Just make a PHP, Perl, Python etc. script, which will gather the all data. It's called web scraping/data scraping. https://en.wikipedia.org/wiki/Web_scraping I just found website on which the all US Zip Codes are offered for $15. They offer also software to work together with their database for $20.
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No. Such data as city zip codes are available for free.. You just have to GOOGLE it on the Internet... e.g. New York https://www.unitedstateszipcodes.org/ny/ find PIN code in India https://www.indiapost.gov.in/VAS/Pages/findpincode.aspx
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Now we have e-Sports, and e-Sports World Championships/Olympics. People in theater, stadium, or home, are seating for hours watching how other people are playing computer games.. http://fortune.com/2018/06/28/esports-olympics-paris-2024-ioc-forum/
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I opened new private session window in Firefox. Then visited www.google.fr and changed options in either language and regional, and voila. Each website that you will visit, can have independent region and language detection mechanisms though.. They can Geo-localize by IP address. So even exclusive French native speaker could have problems, if he/she will visit foreign country, buy new SIM, and try to connect (as he/she will have IP address of foreign country). Try searching for French proxy server, and use it instead. IP will be in France.
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Why doesn't the electron fall into the nucleus?
Sensei replied to Achilles's topic in Quantum Theory
Sometimes electron is captured by proton-rich isotope. https://en.wikipedia.org/wiki/Electron_capture In this process one of protons is changed to neutron and there is released electron neutrino with fixed energy. [math]p^+ + e^- \rightarrow n^0 + v_e[/math] If you will calculate energy, this process cannot happen spontaneously, because free neutron has larger rest-mass (939.565 MeV/c^2) than sum of rest-masses of proton (938.272 MeV/c^2) and electron (0.511 MeV/c^2). Beryllium-7 is the first one isotope (going by proton and neutron quantity) which undergo this decay mode. [math]_4^7Be + e^- \rightarrow _3^7Li + v_e + 0.861893 MeV[/math] -
Seaweeds - The savior of mankind from climate change!
Sensei replied to SAN-DIRECT's topic in Climate Science
@Moontanman Nori has one of the smallest Iodine content from seaweeds. Sheet of Nori 16 mcg/g. Used as wrap for sushi. Other genus and species, can have even 1500-3000 mcg/g whole. Table: https://napiers.net/how-much-iodine-is-there-in-seaweed.html -
@Phi for All There is alternative design, vertical axis wind turbine. https://en.wikipedia.org/wiki/Vertical_axis_wind_turbine There should be made experimental offshore field of traditional wind turbines, mixed with vertical wind turbines, and performed experiment how well they will survive/behave in hurricanes/storms. If test will prove they are better in such unfriendly weather environment, they should be used instead of traditional design.