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03:06
"free legal advice is very expensive"
heh
o/ @SirCumference
howdy, how's life
03:36
pretty busy
how about for you?
04:07
@Secret so it appears I accidentally rediscovered the intuition of bootstrap theory quantamagazine.org/…
Told you heptapod's intuition of physics is weird: forbes.com/sites/chadorzel/2016/11/21/…
Looks like I am starting to think like a heptapod
So yeah, time can emerge from symmetry and the need to satisfy constraints
04:40
@JakeRose What do you mean?
04:56
I don't have the details worked out, such as the exact names of the electrical components I want to use. What if I change something up, do I have to file a patent again?
@JakeRose Can you please give me more information about those details and how it works?
05:07
Like,you cannot be sure that in any point after creating your patent you wouldn't wanna change a detail
 
5 hours later…
10:21
@Slereah Are you around?
I really want to talk to you, I’m not having any intention of spamming, yesterday when you said “Einstein Tensor” I really got an urge to talk to you.
@Knight what did you want to ask about the Einstein tensor?
10:37
@JohnRennie Oh sir thank you for being here. Yesterday he mentioned That Schrodinger in his papers wrote "Einstein Tensor” instead of "Riemann Tensor”
And I have seen this thing even in the case of Rutherford, Rutherford didn’t actually thought of the experiment or it’s conclusion it was his assistant (I don’t know his name but he was a great man).
Quite possibly. terminology changes over the years. These days "Einstein tensor" normally refers to $\mathbf G$ i.e. the tensor on the left side of the Einstein equation.
@Knight there's a standing joke in science that things are always named after the second person to discover them. It's a joke, but its surprising how often it is true.
yes
@JohnRennie Can you give me some other examples of that joke?
Stigler's law of eponymy, proposed by University of Chicago statistics professor Stephen Stigler in his 1980 publication "Stigler’s law of eponymy", states that no scientific discovery is named after its original discoverer. Examples include Hubble's law which was derived by Georges Lemaître two years before Edwin Hubble, the Pythagorean theorem although it was known to Babylonian mathematicians before Pythagoras, and Halley's comet which was observed by astronomers since at least 240 BC. Stigler himself named the sociologist Robert K. Merton as the discoverer of "Stigler's law" to show that it...
Stigler's law concerns the supposed tendency of eponymous expressions for scientific discoveries to honor people other than their respective originators. Examples include: == A == Aharonov–Bohm effect. Werner Ehrenberg and Raymond E. Siday first predicted the effect in 1949, and similar effects were later rediscovered by Yakir Aharonov and David Bohm in 1959. Argand diagram by Caspar Wessel in 1797, predating Jean-Robert Argand by 9 years. Arrhenius equation. The equation was first proposed by the Dutch chemist J. H. van 't Hoff in 1884; five years later in 1889, the Swedish chemist Svant...
@Knight lots of examples there :-)
@JohnRennie Sir you’re great
10:52
@Knight Are you thinking of this:
The Geiger–Marsden experiments (also called the Rutherford gold foil experiment) were a landmark series of experiments by which scientists discovered that every atom has a nucleus where all of its positive charge and most of its mass is concentrated. They deduced this by measuring how an alpha particle beam is scattered when it strikes a thin metal foil. The experiments were performed between 1908 and 1913 by Hans Geiger and Ernest Marsden under the direction of Ernest Rutherford at the Physical Laboratories of the University of Manchester. == Summary == === Contemporary theories of at...
Rutherford was involved, but Geiger & Marsden did most of the work. True, Marsden isn't well-known to the general public, but Geiger may be more famous than Rutherford, due to the Geiger counter.
Guys, I need your help on this one. I have an innovative product idea that I really believe in and I want to start looking for angel investor/s. It's very plausible that the idea will get stolen/copied. I don't have enough money for a patent. What do I do?
Typically you create a startup and the startup borrows enough money to patent the invention.
Note that you can't patent ideas. You can only patent inventions.
How to send a picture in chat on mobile site version?
@PM2Ring Sir are you here?
@Knight there isn't a way. Upload the image to imgur and post the link here.
@JohnRennie What do you mean by "creating a startup"? Who do I borrow the patent loan from? A bank?
11:03
@NovaliumCompany May be someone who want to invest in you?
@Knight :face_palm:
@NovaliumCompany No really, businessman doesn’t want fame and respect in Scientific world, all they care about is money. So if they can see you are profitable to them then of course they will invest in you.
@Knight I'm here, but I'm also doing things on a few other sites.
@PM2Ring So should I talk to you later?
I want to first create a patent so the angel investor doesn't steal or run off with my idea. But to create a patent, I'll need quite a lot of money, which I don't have, so I'll have to borrow from a bank I guess. @JohnRennie?
11:07
You can try a bank but they tend to be more conservative than venture capitalists so I suspect you'll struggle to convince them to lend you money.
Banks give loans only when they see a that the borrower have the capacity of returning the money.
@JohnRennie What about the "creating a startup"?
Does it add me more credibility?
The idea is to convince the venture capitalist that you're the best person to develop the idea i.e. they will make more money with you in charge than if they steal the idea and give it to someone else.
@Knight Maybe. What did you want to talk about?
So proper personal marketing.
11:09
@NovaliumCompany if you borrow money to develop your idea and it fails then you go bankrupt. If your startup borrows the money and it fails then your company goes bankrupt but you don't.
In fact you could come out of it better off if the startup has been paying you a large salary :-)
(though that comes dangerously close to fraud)
@PM2Ring About computers and a little about personal things.
How do I "start a startup"? I mean, what does that mean? Does it involve legal stuff?
@NovaliumCompany I don't know. I've never created a company.
So if I come to the bank as a "startup" and get a loan, loosing the money will not do me any danger? That's a smart-ass move.
@NovaliumCompany yes. Though note that bank managers are well aware of this and will be cautious of people they don't think are likely to repay the money.
11:15
@Knight I'm afraid that my computer knowledge is a bit out of date. My computer is over 10 years old, and I don't keep up with modern technology.
Alright, got you.
In the bank, who does take the decision to give you a loan or not?
Is it a system or a person?
@NovaliumCompany a person.
@Knight me, me, ask me about computers! :-)
@JohnRennie What's the difference between the screen computers and those locker-like computers?
Those are generally called rack mount computers. If you google for that you'll find lots of info on them.
@JohnRennie Can the first image ever be a computer?
11:26
Typically rack mount computers are used when no-one ever sits down at the computer to work at them, so they don't need a screen or keyboard/mouse.
So what they do?
Web servers, database servers, that sort of thing.
How can they work on computer without a screen?
With Windows computers you use RDP
Remote Desktop Protocol (RDP) is a proprietary protocol developed by Microsoft, which provides a user with a graphical interface to connect to another computer over a network connection. The user employs RDP client software for this purpose, while the other computer must run RDP server software. Clients exist for most versions of Microsoft Windows (including Windows Mobile), Linux, Unix, macOS, iOS, Android, and other operating systems. RDP servers are built into Windows operating systems; an RDP server for Unix and OS X also exists. By default, the server listens on TCP port 3389 and UDP port...
With Linux computers you use SSH or an X-windows connection.
Well, Sir, I think I'm understanding computers to be a thing on which we use internet and few other things. But that RDP thing seems to be saying something else.
11:32
RDP in effect connects your keyboard and screen to the computer through the network.
My screen gets connected to the computer? How? I mean what does that mean? Are my screen and computers two different things?
My screen gets connected to the computer? How? I mean what does that mean? Are my screen and computers two different things?
Yes, your screen is just a display device. It's not part of the computer.
@JohnRennie What my computer is doing when I'm typing you and hitting the enter?
@Knight I'm just answering a physics question in another room ...
@JohnRennie no problem sir
11:57
@Knight hi
@JohnRennie Hi
@JohnRennie Your lunch done?
Lunch isn't until later. For now I'm just answering questions :-)
HAHAHAHHA
Yes sir, so how do people work with something to which you're calling computer without a screen?
A computer takes some input, does some calculation and produces some output.
How input is given?
Is input just an electrical signal?
12:02
The computer on your desk takes input from your keyboard and mouse and produces output on the screen.
A web server receives input through its network connection and sends outpack back out of the network connection.
When you type htpps://google.com/ in Chrome that info gets sent to a server somewhere across the internet and in through that server's network cable.
The server puts together the stuff for diplaying the web page and sends it back out of its network connection, across the intenet and into the network connection on your computer.
Then your computer displays it on the sreen.
How someone give input in something like that machine above?
Those old computers would typically have a keyboard and a printer connected through a link called a serial cable.
You type input at the keyboard and the computer sends the output to the printer.
@Knight something like this:
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical device that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations. Initially they were used in telegraphy, which developed in the late 1830s and 1840s as the first use of electrical engineering. The machines were adapted to provide a user interface to early mainframe computers and minicomputers, sending typed data to the computer and printing the response. Some models could also be used to create punched tape for data storage (either...
But no modern computer uses teletypes.
What people are doing in computer science these days when computer is just a machine which renders the output, they should work on networks which is a matter of electrical physics, isn't ?
12:11
They are mostly working out how to program the computer to give the correct output
Is computer game just an output?
Well suppose your input is pulling a trigger. The computer has to figure out where your shot went and draw that on the screen. Then it has to figure out if you hit anything and what injury your shot caused if it did hit something.
And draw some convincing spray of blood if you did hit something :-)
So the output would be graphics showing what happened when you shot.
But displaying the output is done by lighting up the electrons on my screen, isn't it?
Right, but the computer has to figure out which bits of the screen need to be lit up in what colours.
That would be determined by my input? Right?
12:16
So the output is the electrical signals to the screen, along the screen cable, to tell the screen what to display.
@Knight yes
@JohnRennie So how the computer is based on formal logic?
Ultimately computers do their calculations by manipulating bits in accordance with Boolean logic.
But sir all the computer got to do is to light up a pixel and it's me who is pressing the switch then where logic comes in?
The trouble is you are asking about very complicated constructions. You need to start by understanding how computers work at a basic level.
For example computers have to ad together numbers to do their calculations, and that is done by adder circuits:
An adder is a digital circuit that performs addition of numbers. In many computers and other kinds of processors adders are used in the arithmetic logic units or ALU. They are also used in other parts of the processor, where they are used to calculate addresses, table indices, increment and decrement operators and similar operations. Although adders can be constructed for many number representations, such as binary-coded decimal or excess-3, the most common adders operate on binary numbers. In cases where two's complement or ones' complement is being used to represent negative numbers, it is trivial...
That article explains how adder circuits are constructed from simple logic gates.
okay
12:51
0
Q: Wrong question whoops

user250486I just realised realised that my question is wrong woops...

The question has been vandalised, i think the op wants to delete his/her question?
"Descartes' vortex model, on the other side, explained gravity as being a hydro-
statical thrust due to the motion of a subtle m'atter circulating around the Earth. 6
In this case, a thick roof would produce no weight change, but thick wans around
a test body would reduce its weight"
13:32
@JohanLiebert I reverted it. But yes, the OP should delete it if they don't want it; they shouldn't vandalize it.
@PM2Ring Are you a logician or a programmer ?
@Knight I'm an amateur programmer.
13:51
@JohnRennie To understand around how much the whole patenting thing will cost me, going to a patent attorney is the best option, even when I'll have to pay some small amount for his services?
Also what If I create the patent of my device, but later in R&D we add more features or remove some? What happens to the patent?
For some reason math papers write the nonlinear part of Klein Gordon as $|\phi|^p \phi$
Not sure of the benefit
14:47
Woah, Shog9 and Robert Cartaino both no longer work for SE. That's pretty wild.
11
15:13
@NovaliumCompany I'm afraid patent attorneys don't charge a "small amount". When I worked at Unilever all our patent lawyers drove BMWs and Jaguars :-)
So my best and probably only option is to get a loan somehow?
as a startup.
I mean, the loan is not that big considering that I have some savings already.
@NovaliumCompany when you patent an invention it stops other people from using the technology you have patented. So suppose I invent a device for boiling people and patent it. No-one can make and sell a person boiler using any technology covered by my patent.
But if they figure out how to make a person boiler using a technique not covered by my patent then they are free to go ahead and do that.
@JohnRennie "So suppose I invent a device for boiling people and patent it." Oddly specific choice...
And if I later find a better way to boil people that isn't covered by my original patent I can get a second patent to cover the new technology.
@JMac Specifically I had in mind people who interrupt me :-)
Remind me to never accept any invitations from John Rennie to events that involve obscure references to boiling.
15:19
@NovaliumCompany remember that 99% of startups fail, so I'm not sure I'd recommend using your savings unless you're really confident it will work.
@JohnRennie Plus if Dragon's Den has taught me anything, entrepreneurs are really susceptible to the sunken cost fallacy when it comes to these things.
@JohnRennie So I need the angel investor's money to do R&D, but before that I have to patent the unR&Ded thing...
@NovaliumCompany yes. Unless you trust the investor.
So getting a patent for my unfinished, unR&Ded device is a bad idea, because the investor can simply patent the R&Ded version of device resulting in my patent being completely useless?
The investor can spends some money and kinda sneak his way past my crappy patent.
@JohnRennie So it's worth patenting only the finished device that's going to be sold to customers?
@JohnRennie hello?
15:37
@NovaliumCompany No need to ping people again when they don't reply for 5 minutes.
yeah :(
sori
I want some academic guidance. Is it harmful to do B.S. in Physics or B.S. in Mathematics these days? Please keep in mind that I’m talking about B.S. from some normal university not those Ivy Leagues.
@Knight Harmful in what ways?
@JMac Harmful means I will be of no use to anyone (not even to myself because I won’t be able to earn square meal) . Is it true?
@Knight in what part of the world?
15:47
@JohnRennie hahahaha. In my parents world, hahahaha
I asked because the jobs market is different in different countries. In the UK good maths graduates are highly employable.
Really?
I have heard and seen in movies that people good in maths gets employed in Intelligence service of the country, is it true?
Intelligence Services = Secret Service
I doubt MI5 employs many people, so therefore it doesn't employ many mathematicians.
15:51
Does anyone hire theoretical physicist ?
Yes, they would get the same sorts of jobs as mathematicians.
@JohnRennie Thank you for the help.
So how does one ought to study theoretical physics or pure mathematics when whole world is running after Computer Science and Entrepreneurship?
@NovaliumCompany that'll be £1000 :-)
@JohnRennie Free legal advice is very expensive.
@JohnRennie I work with BGN :P
15:58
@JohnRennie Sir do you agree that Computer Science students or Electrical Engineering students get jobs easily than those of pure mathematics?
@Knight I'm not sure if that's true or not.
For example in the UK the most important thing for getting a programming job is experience. No-one really cares out CS degrees.
I suspect lots of mathematicians go into IT in various roles.
I have removed it because it seemed to me non-sensical
@JohnRennie What are risks in pursuing pure mathematics or theoretical physics in this era?
16:16
@JMac Please tell me about The Perimeter Institute of Theoretical Physics
@Knight I literally had to google that, so you likely know as much about it as I do.
@JMac It’s in Canada 🇨🇦 so I thought you could tell me the real realities of it.
@Knight Canada is pretty large; there's quite a few schools. Heck, I could only tell you a limited amount about the university I went to (Dalhousie); because the school was large and my program was pretty isolated from the main campus.
Okay
@Knight the Perimeter Institute is a research institute. It recruits only the very best scientists (I'd have no chance :-)
@Knight if you're in a developed country then I think you should do the course that most interests you. You will be most successful if you find the course interesting and enjoyable.
If you do an engineering degree because you think that's the best chance of a job, then find you hate engineering, it will be a miserable few years.
3
16:50
@JohnRennie If Perimeter Institute is not supposed to recruit Mr. John Rennie then I can conjecture that it must be something political.
@Knight the people who go to PI are ubernerds!
I'm just a regular nerd.
@JohnRennie What are über nerds?
The nerds up to whom we regular nerds look.
What’s so special to them? They haven’t published anything worth publishing and after all they don’t help anyone the way you do, am I reasonable?
> They haven’t published anything worth publishing
Huh?
16:55
Am I sounding naïve?
They publish papers so advanced that the only use I can make of them is to tear them into sheets and put them in the bathroom.
What do they publish?
I can't find a list of their publications, but these are the areas of active research for them.
How come you couldn’t understand them?
My knowledge of theoretical physics is nowhere near that advanced. I worked in colloid science, which is a largely experimental area.
17:13
@JohnRennie Sir whether you gonna believe it or not but your statement above has made me to cry, if you cannot do that how come a a man like me (who’s getting admissions nowhere, literally of no use to anyone) can ever even think of achieving of something? You’re a cruel man sir.
@Knight Huh? I enjoyed the three years of my degree, I really really enjoyed the three years of my PhD and I mostly enjoyed my years working as a colloid scientist and being paid for it! :-)
If anyone else was contemplating a career like that then I'd say go for it!
There is a huge amount of fun and job satisfaction to be had from working as a scientist, regardless of whether you go to the Perimeter Institute or not.
WHY THOSE PEOPLE ARE OF HIGHER LEVEL AND THAN YOU MY SIR?
I guess they are smarter than me. That's life - there will always be people smarter and harder working than you, but that's no excuse for not doing what you enjoy and having a good time.
That's like refusing to play football in the school yard because you will never be good enough to play in the World Cup.
howdy folks
What about those great Physicists: Fermi, Feynman, Landau, Gell-Mann, Oppenheimer etc. Did God made them differently? What they had that I lack?
Silly thoughts of small deeds, everything that once answered your needs, the thoughtless but kind, the caring but blind, everything fades away. (Specifically for my John Rennie sir, I know one day my feelings for you will fade away but till then I’ll rejoice them each and every day)
17:25
You could equally well ask what about Usain Bolt. How come he can run the 100m faster than I can?
if you're not having fun learning physics you're probably not gonna be that good at it
@JohnRennie Rocket boots
But Usain Bolt has a different area of expertise than me.
He doesn't even have a PhD in running
@Knight And Fermi had a different area of expertise to me.
I’m having fun but why others are getting so much successful and I just getting beaten down and even not able to suffice my family’s aspirations
17:26
I bet he was rubbish at colloid science :-)
@JohnRennie hahahaha, I too bet that.
If your family's aspirations are for you to be as good as Fermi then I suspect they need a reality check.
Yes they really need that
@Knight you're still at school. Yes? So you haven't chosen a degree subject yet?
Yes, I have to join college in this summer
17:30
So what do you enjoy studying most?
Physics and pure mathematics. Especially how does a man sitting in his room can say about what’s happening far away outside the solar system, in simple words how logic works.
Black-hole theory: John Michell, in a 1783 paper in The Philosophical Transactions of the Royal Society, wrote: "If the semi-diameter of a sphere of the same density as the Sun in the proportion of five hundred to one, and by supposing light to be attracted by the same force in proportion to its [mass] with other bodies, all light emitted from such a body would be made to return towards it, by its own proper gravity."[27]
What a man John Michell was! Great!
Then do a physics degree
You'll have options during the degree to specialise in theoretical physics if you want to.
Or you may do what I did and end up working ina subject that you didn't even knw existed when you started your degree.
Computer science?
Colloid science
Oh!
17:36
Though it's true that PCs didn't exist when I was at school. Only mainframes.
I ended up working in IT - that's what I do now - but IT is a kind of black hole for all scientists. Stray too close and you fall in! :-)
Means you had no access to anyone like John Rennie? LOL
Did you ever wish to become a recognised figure in Physics?
@Knight no, I principally wanted to have fun, which I did.
@JohnRennie Wow! So all you mean is that FUN is achievable and should be pursued. Recognisation should be left for the actors and actresses.
@Knight fun is always achievable if you take the time and trouble to pursue it.
2
Does it feel like “going home” ?
17:41
Don't get me wrong, it would be nice to have had fun and been famous :-)
But give me the choice and I'll choose fun over fame.
All right!
Sir do you know about Prof. Herbert Gross?
@Knight No. I had to Google to find out who he is.
He is an old man, he is same like you (much older than you) but a very very nice teacher.
Look whats happening to these scientists who chose to talk to flat earthers. Lmao!
@JMac I'm very sad to see them go. They deserved better.
17:55
@ACuriousMind Yeah for sure. I think they were by far the most active staff members who actually participated in our meta. They also seemed to have a lot of reasonable discussions. I'm skeptical of what will happen now.
18:26
How am I supposed to include bills and costs of producing the product without having done proper R&D yet (which requires the investor's funds)...
-14
A: What does "Should we add technical Q&A sites like Server Fault, Super User, and DevOps to Stack Overflow?" mean?

Yaakov EllisThe question was deliberately phrased in an open-ended way and is open to interpretation. We do not have a specific answer at this time as to how it should be interpreted, nor do we want to suggest one interpretation over another.

@Loong Sadly, not the worst-thought-out statement I've read from SE today.
hm yes
19:15
Anybody knows any review or paper on the matching of Minkowski and Schwarzschild spacetimes across a cut-off surface?
matching of the above with some suitable "R"
do you mean like an empty shell sort of spacetime?
yeah.
By placing a source on a shell (which is empty inside), Birkhoff's thm implies Sch. outside
I vaguely recall a paper on that topic
which was trying to prove the shell theorem for GR
Turns out it's not trivially true for the inside of a shell
oh, could you please share the arXiv link?
I think it was posted here at some point
lemme see
19:27
Thanks, any idea which paper this is from?
no clue
just google the text I guess?
Alright, thanks! This seems to focus more on the corollary of Birkhoff's theorem and stuff, I needed some info on them matching conditions across surfaces.
I tried looking at a negative mass shell once
Turns out I don't think it can be Minkowski space inside?
due to divergence of geodesics at the junction
 
2 hours later…
21:30
@NovaliumCompany Id you don't have an already designed product, then you can't get a patent because you don't have anything to actually be patented.
Anybody know what an IMF being 'top heavy' means?
21:44
@JMac Were they fired?
That's what someone told me, but I'm not sure if it's a rumor
@SirCumference It was not Shog's decision; that's confirmed.
22:01
Man, what is SE doing?
it hasn't even been 3 months since the monica situation
22:36
956
Q: Thank you, Shog9

Mithical@Shog9, a longtime Community Manager here at Stack Exchange, has just Tweeted that he is no longer working at Stack Overflow: @shog9: Well... I suddenly find myself in need of work. If anyone's hiring: C++, JavaScript, C#, SQL + solid background in social software, community-driven developm...


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