The h Bar

12:04 AM

@DavidZ well, IMHO it'll always be inconclusive until you actually make a change. Folks liking a proposal doesn't mean it'll actually be effective; this is one of those areas where meta voting is a useful guide, but only that. Hence /tools/question-close-stats - try stuff & see if it works (for whatever definition of "works" you established first).

David Z

That winds up with us potentially making a new close reason every couple months

Shog9

You can't possibly mess up worse than I did on Stack Overflow with that "minimal understanding" reason :-/

@DavidZ maybe. There are 4 variations on a single reason on Stack Overflow; it just wasn't quite right.

David Z

I guess we should consider that. I was trying to do this in a way that would avoid us having to change the close reason too frequently.

loltospoon

Do you all ever speak with the owners of the stack exchange network or do you basically run every community yourselves?

0celo7

@loltospoon did you still have a question?

David Z

12:15 AM

@loltospoon The mods you mean? We do keep in touch with the people in charge. (I'm not sure if "owners" is quite the right word) Like Shog9.

skullpetrol

@DavidZ have you seen "Chembot" they use in the chemistry chatroom?

David Z

@skullpetrol Yeah, I've seen it in action a little bit

I don't frequent that room though

skullpetrol

Any objection to a "Physicsbot" in here?

David Z

Nah, in fact that's something I would do myself if someone else didn't do it first - but I probably won't have time for a long time

you offering?

skullpetrol

@Loong could just rename it for this room :P

0celo7

12:23 AM

@BernardoMeurer Fantano is destroying Future

"it's hard for me to even think of him as a human being"

Loong

@skullpetrol Ask @Hippalectryon

skullpetrol

Ok @Loong thanks.

David Z

There are some things Chembot does that I would not want the signature bot of this room to do, but I guess I don't get to make those decisions if I'm not the one managing the bot

skullpetrol

For example?

David Z

Flipping tables and the like

skullpetrol

12:28 AM

Yeah, that's a chem thing.

It gets out of hand sometimes.

loltospoon

@DavidZ As in, the business people collecting the revenue from all your efforts.

David Z

That might be tough considering that this site doesn't make any money for SE

loltospoon

@0celo7 yes, I posted it as a question here

@DavidZ How do you know?

David Z

215

Q: What is Stack Overflow's business model?

I once answered a question that asked how Stack Overflow makes money, but that was before the time of VC. Now, Stack Overflow has cash, and they have an ever-growing list of employees, but where's the business model? The Experts-Exchange team took the time to answer its own Q&A about its site (...

skullpetrol

This is not a "corporation."

Yet.

loltospoon

12:42 AM

Are the owners actively looking for ways to monetize? Or not so much?

0celo7

@loltospoon Are you sure that $\vec L$ and $\vec S$ don't commute with the interaction?

I think they do.

Ah, no.

$\vec L$ does not commute with itself.

@loltospoon I wrote an answer.

loltospoon

@0celo7 I followed the derivation on Physics Pages, but the person left out a lot of detail.

David Z

@loltospoon It sounds like their existing ways of monetizing are good enough

loltospoon

@DavidZ ok

HDE 226868

@loltospoon I always find that angle a little amusing: the idea of folks at SO gleefully rubbing their hands together while mods sweat it out at their computers, whacking spammers and sweeping up dirt (not that you're picturing that, but some do). On the one hand, yes, even activity on Physics indirectly helps make SO a bit of money. On the other hand, anyone can use the network entirely for free. No payment necessary. And I think that gets overlooked an unfortunately large fraction of the time.

0celo7

12:49 AM

@loltospoon read what I wrote and ask for clarifications on that

Shog9

...not that I don't still gleefully rub my hands together, but purely for warmth - the nights get cold here in the mountains.

loltospoon

@Shog which mountains?

0celo7

3

Actual image of Shog9 ^

Shog9

@loltospoon Colorado Rockies

loltospoon

@Shog9 dang, was hoping it would be more epic, like the Himalayas by yourself with a hand-cranked internet connection.

Shog9

12:51 AM

That would be pretty epic. And impractical

Now, foot-treadle internet...

loltospoon

@Shog9 exercise and internet, an oxymoronic combination turned into a practical solution. Take my money right meow.

skullpetrol

1:04 AM

@Shog9 can we bring back the sleigh rides for the avatars next Christmas please?

Ramanujan

Hello

skullpetrol

Hi.

DanielSank

Finished the schematic for that board I'm working on. w00t

167 compiler errors ;-)

skullpetrol

How many components?

DanielSank

Uh, I dunno.

Can I tell Altium to count?

skullpetrol

1:16 AM

dunno

DanielSank

Ok well, it's a four channel IQ demodulator with a digitally controlled variable gain amplifier on each IF line.

It's probably around 100 parts.

ish

The power supply and digital interface is around 35 parts so I guess from there.

Probably more like 120.

Nice.

Hello

Hi again :-)

1:47 AM

@skullpetrol hello

DanielSank

@DavidZ FWIW, in software, the wisdom is often to make small, easy to understand changes, and to not shy away from making a series of such changes.

I realize that site policy isn't the same thing as source code, but one of the reasons for that mantra in software is to avoid the paralysis that comes from attempting to make one giant perfect change.

There is an associated phrase: Don't let perfect be the enemy of good.

2

skill patrol

wazzup @0celo7?

0celo7

@skillpatrol how do you like my picture above ;)

skill patrol

Cool.

0celo7

2:09 AM

@Danu A connected Riemannian homogeneous manifold of dimension $n$ and and constant curvature $K>0$ is determined up to isometry by its fundamental group.

DanielSank

halp

2

Q: Connect bus wires to various ports of a channelized subsheet

I have an 8-line bus chselect[7..0]. I also have a 4x repeated subsheet, each of which has two inputs CSAb and CSBb. Denote these inputs as CSAb_0, CSBb_0, CSAb_1, CSBb_1,...,CSBb_3 where the number after the underscore indicates which instance the instance of the repeated subsheet. I want to co...

altium bus

0celo7

@Danu The proof is pretty horrific ;)

@DanielSank I created an account to +1 you

DanielSank

@0celo7 Why, thank you.

0celo7

@Danu Perhaps surprisingly, it requires the classification of the real division algebras.

Secret

4:04 AM

"The third view is presentism. The presentist thinks that only temporally present objects are real. Whatever is, exists now. The past was, but exists no longer; the future will be, but ... Presently existing things are the only actuality and only what is now is real. Each “now” is unique: “You cannot step twice into the same river; for fresh waters are ever flowing in upon you.” The life of an object according to presentism might be shown as:"

DHMO

@Secret And I don't talk about philosophy (metaphysics) in general, only talking about what is real and what has evidence.

Secret

I suspect JD is a presentist, given how he quote that river phrase when he use motion to explain time and how the past does not exists under his model

I take both philosophy and real things seriously. The philosophy helps to gauge where we are in the landscape of the problem in question and the scope, and the proofs and evidence elaborates the details and what to be done

David Z

@DanielSank Oh, I know, but my counterargument would be that software changes are cheap, policy changes are not.

Secret

NB: for second block of text, I forgot to type DMHO as that is a reply

DHMO

@Secret you imply that philosophy isn't real things :p

DanielSank

4:17 AM

@DavidZ how are revisions to the policy fragments not cheap?

None of them is more than a few sentences.

Secret

5:28 AM

Oops, that's a misleading conclusion due to the way I type that

Secret

[to be check] can we subject ourselves into a rotating frame so that the universe will seemed rotating relative to us, or is Godel universe an absolute thing thus cannot be reached via poncaire transformations

[to be checked] can a horseshoe conformation cosmic string reproduce the same ctc as the counterpropagating infinitely long two cosmic strings

DHMO

@Secret a rotating frame is just an accelerating frame, no?

Skyler

@DanielSank google in a nutshell

Yashas Samaga

5:49 AM

@anonymous physics.stackexchange.com/questions/313664/…

@anonymous solve it

DanielSank

@Skyler Eh?

Skyler

@DanielSank i would argue gmail is still in beta

anonymous

$$\frac{MgL}{2} =\frac{1}{2}(\frac{ML^2}{3})\omega^2$$ $$\implies \omega =\sqrt{\frac{3g}{L}}$$

@YashasSamaga

Skyler

6:18 AM

@DanielSank how did your smashing go tonight?

DanielSank

@Skyler the dude bailed

Skyler

@DanielSank lame

DanielSank

So I folded my laundry and exercised

Skyler

i was kinda thinking about hooking up my wii on one of the bigscreens in my lounges and practicing a bit for Thursday

Secret

If you ever rode a roller coaster fitted with a VR goggles but the image is inverted, you get an extremely surreal experience of moving simultaneously to the front and back at the same time (this is because, the actual physical motion is intended to be aligned with the motion in the vr, but because of wrong calibration, the image is flipped front to rear)

DanielSank

6:20 AM

@Skyler when?

Skyler

@DanielSank nowish

DanielSank

@Skyler o

Skyler

maybe midday tomorrow

i would want to do tomorrow night but Im going to be stuck for a LONG time

working on a mid design review for capstone course

Yashas Samaga

@anonymous so what was sammy gerbil trying to say?

I think he was trying to use 0.5mv^2

anonymous

@YashasSamaga Probably he was trying to solve it considering point mass ....

Yashas Samaga

6:25 AM

Yea

anonymous

Which is a very bad idea

:P

Koolman

Hi everyone

In this why U$_{min}$ is not 0

anonymous

Why should it be 0?

Koolman

Because for that U is minimum

Yashas Samaga

U can be negative.

anonymous

6:38 AM

@Koolman No. U can be negative.

Koolman

Ohh yes

Sorry , I got it

anonymous

:)

anonymous

6:59 AM

Is pinch off voltage same for all frequencies of light (greater than threshold) when intensity is kept constant? (In photoelectric effect) Why? @YashasSamaga

Yashas Samaga

what is pinch off voltage?

stopping potential?

anonymous

No. The potential after which current saturates..

(Not reverse potential)

Yashas Samaga

@anonymous ?

potential of what?

have you placed a voltmeter across the photoelectric tube?

anonymous

I mean in photolectric effect you can provide a potential difference between cathode and anode

I'm talking about that potential difference

Anode is positive and

Cathode is negative

Yashas Samaga

Ah!

I am still confused

anonymous

7:02 AM

Electron emission takes place from cathode

Yashas Samaga

stopping potential = potential you apply across the tube to stop the current

anonymous

I am not talking about stopping potential

Wait a second

Lemme show you

The anode potential after which the current saturates

^

That is the pinch off voltage

Is that pinch off voltage same for all frequencies of incident light?

Got it ? @YashasSamaga

skill patrol

Yashas Samaga

@anonymous physics.stackexchange.com/questions/193000/…

nvm

anonymous

@YashasSamaga Doesn't really answer my question..

That is asking about why is saturation current same for different frequencies...

Yashas Samaga

7:11 AM

I have never come across the term pinch off potential

in photoelectric effect

anonymous

@YashasSamaga Now you know. I showed you the pic...

Read it ^

Yashas Samaga

@anonymous I'm going to study PE now.

I barely remember anything

anonymous

Ah okay. No probs.

Weird! Why was that starred ? :P ^

Koolman

@YashasSamaga for that you have enough time.

Have you read the novel

anonymous

@Koolman What novel?

Koolman

7:20 AM

For cbse , board exam

anonymous

@Koolman Really? I am having time crisis now :P Don't know about Yashas.

@Koolman He is out of school!

He doesn't have board exam.

Koolman

@anonymous me too :-(

@anonymous then why he is studying PE

Yashas Samaga

@anonymous I am in crisis now. I think I need to start my revision.

anonymous

Photoelectric Effect!

Yashas Samaga

I keep solving problems 24x7

but I don't revise

anonymous

7:22 AM

Solving only problems isn't a good idea :)

Good luck!

Koolman

@anonymous oh I thought physical education :-P

Secret

[To be checked] Time travel: if a person communicate with their past selves, do the memories of each person change simultaneously, if so, who is the one who initiate the change. Is that key moment relative to a person's frame

Yashas Samaga

@anonymous try this

0

Q: Calculating saturation current and energy associated with a band of wavelengths

Consider white light whose wavelength spread is from 400nm to 700nm. Its energy is uniformly distributed in this spectrum. The light is incident on metal A of work function 1.55eV. Saturation photocurrent is 6mA. Now the same light is incident on metal B, work function 2.48eV. Calculate the total...

photons photoelectric-effect

Secret

NB GR cannot answer this as it's present formulation disallow history change

anonymous

@YashasSamaga Too long question. Will see at night.

Yashas Samaga

7:24 AM

@anonymous The question is small. 5 lines.

anonymous

I AM HAVING A BLOODY TIME CRISIS

@YashasSamaga

Later :P

Secret

Suppose the memories do change simultaneously, is it global in that the information contained in that causal loop update all at once regardless of which frame of reference, and the only difference is that the time when the change took place as measured in the time coordinates is frame dependent

user228700

8:11 AM

Hi, everyone :-)

John Rennie

@Kaumudi.H Morning

skill patrol

Hello :-)

Slereah

0

Q: How to vary fermion action in the index-free Clifford notation with respect to spin-connection?

In this thesis (1) , from the Dirac action (2.30) \begin{equation} S_D \sim \int ( \overline \psi \star eee D \psi + \overline {D\psi} \star eee \psi) \end{equation} How it becomes \begin{equation} \delta_\omega S_D \sim \int - \{\psi\overline \psi, \star eee\} \;\delta \omega \end{equation}...

general-relativity fermions action clifford-algebra

That's a lot of frame fields

user228700

Huh, I just learned that scientists have evidence to believe that it rains diamonds in Saturn.

skill patrol

Well, they are a girl's best friend.

user228700

8:27 AM

^ Only is some countries.

skill patrol

True.

Kenshin

Hi guys

nice pic @Kaumudi.H

The questions have now been chosen for the PHYSICS book

Congratulations to @JohnRennie who has the most answers

Luboš Motl also has a few

user228700

9:12 AM

@Kenshin Hi. Thanks :-)

ACuriousMind

Feb 15 at 17:11, by ACuriousMind

@DanielSank I'd be fine with implementing the changes outlined in your post immediately, except for the tag name. However, people might have voted on the general idea in the answer and not the specific wording therein. How about a new meta post about the specific wording of the new close reason, which we'll feature, and set a deadline by which the highest voted new wording will be implemented, barring unforeseen serious objections?

I get that you're frustrated, but I did not "keep ignoring you", I made a rather specific proposal for how to move forward. I'm not sure what @DavidZ thinks our next step should be, but I stand by what I wrote above.

@heather I'd remind you that the moderators are not a faceless entity lording over the site, but individuals. If you think I am being uncooperative, I'd much prefer you tell me directly instead of ascribing that quality to "the moderators". I'm pretty sure e.g. Qmechanic or rob have given you little reason to characterize them as uncoorperative.

I also resent the allegation that any of us "acted beyond their powers". We may, occasionally, exercise them in unwise fashion, but you sound as if you feel there's a pattern of this, which I really cannot see.

Danu

@EmilioPisanty at least that's cleared up.

@0celo7 Neat.

ACuriousMind

Hey @Danu, any chance you can help me with this?

I need to work through this paper but they stumped me pretty much with the first formula they wrote down :/

Danu

9:31 AM

@ACuriousMind lol

ACuriousMind

Yeah, go on, enjoy my pain :D

Danu

Did you forget something in the first term?

derp nevermind

I didn't see that $\mathrm{d} r^2$

@ACuriousMind When they discuss that it's asymptotically a cone over $Y^6$, they mention that everything except the radial term (denoted by $\mathrm d \Omega$) parametrizes $Y^6$, suggesting it's only 6-dimensional.

DanielSank

@ACuriousMind You here?

ACuriousMind

@Danu No, the six-dimensional thingy is the subspace with $u^2 = 1$.

@DanielSank For about another half hour, yes

DanielSank

Did you see the conversation between Shog and DZ where they specifically told me not to do what you're suggesting here?

Danu

9:37 AM

@ACuriousMind But I think that's the point

Probably $u^2$ is fixed all along

ACuriousMind

@Danu Ohhhhhhhhhhhh

Danu

(which they should've indicated, lol)

So $r$ should be expressible in the $u$'s (probably in the obvious radial coordinate way)

Also I wonder if the site is past the point where discussing the homework policy more will have beneficial effects.

ACuriousMind

@DanielSank Hmmm, I see Shog saying "This is why I've learned to just propose a very specific wording.", that's not specifically telling you not to do it, looks like the opposite to me. I am confused what DZ intends to do next.

Slereah

3 weeks and my Penrose is still not shipped yet

Damn Amazon

Danu

It's your own fault for buying Penrose books

ACuriousMind

9:42 AM

@Danu Yeah, it makes sense now, thanks

Danu

don't you know he craycray

DanielSank

@ACuriousMind I'm confused about what DZ plans to do next too, because he's being cagey about it.

Why is he being cagey about it? Nobody knows.

skill patrol

hi peeps

DanielSank

@ACuriousMind Read the conversation again. Shog recommends posting a meta question which proposes a new wording.

That does not make sense to me for reasons I've explained before and will explain again now:

Danu

@DanielSank Also @DanielSank I do feel like your tone with regards to this topic is sometimes a bit... provocative? I don't think it gives off a good vibe. Something like the message I'm replying to, for example. Anyways, don't take what I say too seriously, I haven't been into these meta discussions for a while now.

DanielSank

9:44 AM

A meta question should ask a question. Upvotes on questions mean "Yeah, we should talk about this". Meta answers should give proposed answers. Upvotes on those mean "Yeah, I agree with that answer".

@Danu Perhaps. Please note that this is a result of feeling kind of jerked around by another user as regards this issue.

@Danu ..and in this specific case, I don't think characterizing the indicated behavior as "cagey" is provocative, and I do think it's rather accurate.

All that said, thanks for the criticism. It is valuable.

Danu

@DanielSank That's why I replied to the second message :)

@DanielSank I know that's why this is happening :P

DanielSank

@Danu I fail to see how that's provocative, but ok.

Danu

you hate not getting this done, haha

ACuriousMind

@DanielSank Uh...I think whether you post the wording as a single question, or as a question with the wording as the answer is a rather minor issue, and I think you slightly misunderstood what Shog was saying. His main problem was not that you proposed the change in an answer, but that it was 10 paragraphs in together with a lot of other stuff, which is what I also said and therefore proposed a new post about the specific wording.

DanielSank

@ACuriousMind As I pointed out to shog, the large number of upvotes (for a meta post) would indicate that, despite the ten paragraphs, the post was well crafted and appealing enough that people read and agreed with it.

I fail to understand how the ten paragraphs criticism holds any weight given the voting history.

Kenshin

9:48 AM

Moderators TRUMP up-votes

ACuriousMind

@DanielSank Yes, sure! To repeat myself: "However, people might have voted on the general idea in the answer and not the specific wording therein."

DanielSank

(Although in general I agree that concise is good and not concise is bad)

@ACuriousMind Good point.

Ok, are these all the things that need rewriting:

Tag, tag wiki, tag wiki excerpt, close reason, meta post (FAQ)

(I'm not 100% convinced the tag actually needs updating. I'd see removing the "homework" tag and not replacing it with anything as a completely valid solution, but whatever)

Let's not get into that now.

Skyler

man, im trying to get up to speed on this conversation but its such a gobly goop of responses

DanielSank

Use the force, @Skyler.

Skyler

Is this about the homework question post in meta?

DanielSank

9:53 AM

@Skyler Which one are you talking about?

ACuriousMind

@Skyler Which one of the myriads? :P

Skyler

This one? meta.physics.stackexchange.com/questions/7162/…

DanielSank

@Skyler dude, use whole URL.

oh wait a sec

Skyler

haha, derp there dude

dont worry, I did something worse a bit ago

DanielSank

@Skyler Why is that giving me a TLS error?

@Skyler You mean hijacking my Facebook acount?

Thank goodness I never use it.

ACuriousMind

9:55 AM

@DanielSank Because it's a https link and the SE certificate does not extend to meta sites

DanielSank

@ACuriousMind Ah.

Skyler

@DanielSank haha, ikr, you had 34 unopened notications

ACuriousMind

Annoying longstanding issue, probably won't ever get cleared up

DanielSank

@Skyler I don't like Facebook. Now that I know their security model is bonkers I like it even less.

Skyler

here i meant mixing up 11 am being AFTER 12 am for an hour or so

ACuriousMind

9:57 AM

@Skyler wat

Skyler

really blonde momentography

anonymous

I think this should do : Let $P$ be the power of each wavelength of in the given spectrum. $$N=\frac{P\lambda}{hc}$$ $$\implies dN=\frac{P d\lambda}{hc} $$ $$\implies \int_{0}^{I/e} dN=\int_{400 \space nm}^{700 \space nm}\frac{P d\lambda}{hc}$$

Find $P$. Using this $P$ solve the next part of the problem which asks for total power of spectrum which can cause photo electric effect $$P_{T}= \int_{400 nm}^{\lambda_o nm} P d{\lambda}$$ $\lambda_o$ is threshold wavelength. And for finding saturation photocurrent use the above method (used for the first part) to find number of photons incident pe…

Skyler

@ACuriousMind I was talking about derping before we got into the facebook stuff, i derped for an hour while i was talking with someone about 11am being before 12am

we werent talking alot but i kinda sat there for 30 seconds at the end and realized how stupid i was being

DanielSank

@Skyler My registered player handle for Smash Bros is derpJockey.

ridin' the derp to victory!!!

Skyler

@DanielSank did you figure out mine?

ACuriousMind

9:59 AM

@Skyler As someone who usually uses the full 24 hours, I am continually confused about whether 12 am is midnight or midday anyway, so I don't consider that derping :P

DanielSank

@Skyler I didn't try to.

Skyler

@ACuriousMind i tend to use the 12 hr system so i have no excuse

@DanielSank well dw about it, you'll figure it out when your checking to see whos ahead of you on the leaderboards

DanielSank

@Skyler I'm going to annihilate you.

You gotta admit, Sheik/Falcon is a very difficult match for Falcon.

Skyler

@DanielSank Cmon, I'd put the odds of that at only 75%

DanielSank

I wholly grant you that you regularly kick my butt in the Falcon ditto, but in Sheik/Falcon I think I established dominance.

Where I think you're going to have an advantage is that I think you're better against the rest of the field.

Skyler

10:02 AM

For me my big problem is I am VERY unstable in game quality

DanielSank

Yeah?

You need dat consistency.

I have the same problem but it's entirely because I forget to be aggressive.

Skyler

so the round robin should help in the beginning

bracketed stuff i need to get my act together

then again, I usually havent played for like a month when I come over to your place

DanielSank

@Danu I even asked DZ to please collaborate with me on the upcoming meta post. He didn't even decline.

Kenshin

have you guys heard of NASA's annoucnement?

DanielSank

Dear everyone, I plan to post this in meta soon. I'd like to make sure we ask the right question though, so please offer comments on how to make the question itself better.

Secret

10:10 AM

@Kenshin about what?

DanielSank

@DavidZ @ACuriousMind ^^

@heather

Secret

@dhmo It is, however the fact one can talk about corotating frames might suggest if we rotate relative the the whole universe, we might be able to perceive the surrounding spacetime such that it is rotating. But again my gr still suck thus I am not sure if I am making sense here

DanielSank

Homework policy meta draft

6

Can someone star that?

Kenshin

why?

DanielSank

So we can make progress.

...and so that we ask a good question instead of chasing our tails like we have been for the last year.

Kenshin

10:17 AM

O

I've stared it

DanielSank

Oh by the way, that "Best of" thread got locked before I went back to it to look at what you were saying about the negative votes.

Kenshin

doesn't matter

Emilio Pisanty

@DanielSank last year?

This is way older

DanielSank

@EmilioPisanty There was something of a homework policy zeitgeist last year.

Emilio Pisanty

It was already old when I wrote that post I linked you to earlier

DanielSank

10:21 AM

It culminated in my least favorite meta post ever, asking what is the purpose of this site?

@EmilioPisanty I understand.

I am referring specifically to the issue of the written policy being confusing and logically inconsistent.

I am not interested in debating the spirit of the policy. I think enough of us agree on that that it's time to move on.

The notion that we actually want to reject "homework" is incorrect, as I'm reasonably sure most of the site agrees.

Emilio Pisanty

I think we do agree

DanielSank

@EmilioPisanty Yep, so let's just fix the wording and move on with our lives.

Emilio Pisanty

I'm just not very sure on what is it we agree on

DanielSank

It's obvious that "homework" isn't the issue, because I'm not a student, but I can easily ask a question that violates the "homework policy".

This is all explained here.

I need to go to sleep. Happy to chat later.

Emilio Pisanty

@DanielSank yeah, I was wondering

skill patrol

10:34 AM

Sleep well.

Slereah

amazon.fr/Fashion-Faith-Fantasy-Physics-Universe/dp/0691119791

What the hell happened to you, Penrose

skill patrol

Fame.

Slereah

Is penrose even that famous

He is somewhat well known but he's no Hawking

skill patrol

He's a close second imho.

Slereah

I dunno

These days i'd probably put like Brian Greene and Kaku above him

Secret

10:44 AM

Ok, google finally give me more trace of this suspected crank known as David Lewis Anderson. It appears his background is christian history, I.e. Highly religious. All those links from the google scholar with publisher Cambridge university press contain his books seemed to have all rotted

Slereah

Stop reading meme papers

Secret

???

Kenshin

who is David Lewis Anderson?

Secret

Some guy who claimed to have invented backward time travel

Kenshin

is he from the future?

I don't image there would be much information on him if he is

anonymous

10:49 AM

@Slereah I read a few of his books in middle school like Emperor's New Mind and Road to Reality. They were interesting books but I had a tough time understanding some parts. It was sometimes too mathematical. However, I learnt a lot from it unlike most pop science books. On the other hand I find SH's books more approachable but they mostly fall in the pop science category. BTW I don't think it is a good idea to compare two such great scientists.

Slereah

Hawking did some good books but he did do a lot of pop science stuff

anonymous

Penrose's work is definitely more famous in the field of biophysics

SH is better at theoritical physics

And so is Brian Greene

Slereah

I dunno

Penrose did a lot of great work in GR too

anonymous

@Slereah Yep he did. But he is more widely known for his research in biophysics IIRC.

Secret

@Kenshin He has a whole website containing the info. All background info about time (except his schemes, which I just reached in my reading) are so far accurate as far cross checking showed. There is a very detailed documentary on the history and discussion of time in physics , theology, culture and philosophy. The writing were done in 1991 thus some of the ideas are actually now outdated

Slereah

10:52 AM

Is he?

Never heard of his stuff in that field

but then again I don't know much biophysics

Despite my rippling musculature

anonymous

@Slereah Did you read Emperor's new mind?

Slereah

I didn't

anonymous

In that you will get a gist of some of his earlier works in biophysics

I don't know about his recent works though

One of his main research topics is human consciousness

Slereah

Oh yeah I remember that

I recall that it is pretty poorly considered

Secret

Kenshin: However because I cannot find any journal article of this guy, and combined with the google scholar finding, I strongly suspect he might be a crank who is math literate

ACuriousMind

10:55 AM

@anonymous That's...not exactly "biophysics"

Secret

But again I have not proofread all the stuff yet, so far the stuff is mentioned are generic things tha can be found in most books and articles in philosophy and physics

Kenshin

Of course it's far more likely he is a crank

given his claim

anonymous

@ACuriousMind What is it then ? Doesn't biophysics include study of the brain?

ACuriousMind

@anonymous A mashup of neuroscience and philosophy of mind