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Dr. Stone


Alt Names: alt ドクターストーンalt Doktor Taşalt Dr. Pedraalt Dr. Roca
Author: Inagaki Riichiro
Artist: Boichi
Genres: Action ActionAdventure AdventureComedy ComedySci-fi Sci-fiShounen Shounen
Type: Manga (Japanese)
Status: Ongoing
Description: One day, Ooki Taiju was finally prepared to declare his love to his crush, Yuzuriha, and when he was finally about to do so... the world ends, with everyone petrified by an unknown cause. During thousands of years, Taiju holds to his determination while being trapped in stone, thinking about Yuzuriha.

October 5th, 5738 AD. Taiju awakes and gets out of the stone. He finds that his friend, Senkuu, also survived, and they decide they are going to rebuild civilization from zero together.
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Latest Forum Posts

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Topic Dr. Stone released chapters New Window truepurple
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Chapters

Title Group Contributor Date
Ch.35: Masked Man
Jaimini's~box~ .Chickens A week ago
Ch.34: Schemer’s Tournament
Jaimini's~box~ .Chickens 2 weeks ago
Ch.33: Dangerous Medicine
Jaimini's~box~ .Chickens 3 weeks ago
Ch.32: Brain and Heart
Jaimini's~box~ .Chickens 3 weeks ago
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171 Comments

I honestly have no idea where you get this stuff. Either you are pulling it out of your bum or you have been taught very badly

 

Here is the structure of cocaine: https://en.wikipedia.org/wiki/Cocaine#/media/File:Kokain_-_Cocaine.svg

 

Here is the structure of lidocaine: https://en.wikipedia.org/wiki/Lidocaine#/media/File:Lidocaine.svg

 

Here is the structure of novocaine: https://en.wikipedia.org/wiki/Procaine#/media/File:Procaine.svg

 

The only structural similarity between the three is that they are esters. cocaine and novocaine are esters of an aromatic carboxylic acid, while lidocaine is an ester of an aromatic amine. That is where the structural similarities end. The key part of cocaine is the complicated double ring that is esterified to the bezoic acid moiety, while the functional part of lidocaine and novocaine is a tertiary amine.

 

Cocaine is certainly extracted from the coca leaves and that is what it was named for. Other compounds later extracted from the coca leaves cannot obviously be given the same name!

just ignore bloody sorceror honestly, i see him in these arguments all the time, hes a troll and he doesnt listen to reason just enjoys finding new ways to troll people

If you think Lidocaine/Xylocaine have nothing to do with cocaine, maybe you should study a little chemistry perhaps?

They belong to the same family, which means they share many similarities in their molecular structure.

Also every single caine out there is an anesthetic kind of medicament, I think you guys will recognize Novocaine immediatly(it's not really that famous in my country, but i've seen many mentions of it in other countries). There's also the fact that many of these caines are made from extracts of plants that are also used to make drugs. There's even one that was made from Coca leaves aside from cocaine, and exibts nothing of the psychoactive effects cocaine has. WHich is why I said that Cocaine is the black sheep, it's the other chemicals that make cocaine the trash that it is. And no while it's similar to plant the name is not Coca-ine

 

I honestly have no idea where you get this stuff. Either you are pulling it out of your bum or you have been taught very badly

 

Here is the structure of cocaine: https://en.wikipedia.org/wiki/Cocaine#/media/File:Kokain_-_Cocaine.svg

 

Here is the structure of lidocaine: https://en.wikipedia.org/wiki/Lidocaine#/media/File:Lidocaine.svg

 

Here is the structure of novocaine: https://en.wikipedia.org/wiki/Procaine#/media/File:Procaine.svg

 

The only structural similarity between the three is that they are esters. cocaine and novocaine are esters of an aromatic carboxylic acid, while lidocaine is an ester of an aromatic amine. That is where the structural similarities end. The key part of cocaine is the complicated double ring that is esterified to the bezoic acid moiety, while the functional part of lidocaine and novocaine is a tertiary amine.

 

Cocaine is certainly extracted from the coca leaves and that is what it was named for. Other compounds later extracted from the coca leaves cannot obviously be given the same name!

Every time Senkuu says "Ten billion percent sure" or really any other number other than 100%, I just want to smack him.  That isn't how probability works.  I should know.  I got a damn college degree in actuarial sciences, so let me tell you this Senkuu.  You are 100% a dumbass.

b63b933683e6aa13d20a84173742f1ee.jpg

 

I guess your college degree does not help you with "peotic license" of "figure of speech". Maybe you should have done a course in the arts before commenting.

Heh, that torch in lieu of an idea bulb.

Bottom of page 14 is just screaming internet meme...

You know that one tournament contestant? The one in the very last bracket?
There has been so little attention paid to him, that I'm absolutely sure he's a dark horse.

(Ends up winning the tournament, I'm betting on it!)

 

You do know that this was already disproven right? The testing went negative. And let me tell you this, the way of testing it is actually very effective. If it says it's negative then it is negative, 0 chance of having a different result. There is actually no proof on the claim other than a relation between the Ingredients which MAY lead to a possibility of it having cocaine at one point in time.

But frankly, it's a case of the "Correlation proves Causation" fallacy, where some medicaments did indeed carry a dose of cocaine way back in the day(between the 19th century and the 20th), and thus because back then Coca Cola was more of a medicament than a soft drink it MAY have followed trend. And yes I did read that news report, and even in the report the reporter does say that "Coca Cola may have had cocaine in it's formula".

The point is, there no longer any evidence on the case, and older and current testing have already proven that there is no cocaine in Coca Cola so the argument is irrelevant.

 

Protip: Instead of digging a hole for yourself, you should refresh your knowledge on a subject if your position is questioned. Especially whenever an article ends off with a "may have." A cursory google check will bring up results including a fact check with quotes about cocaine's presence(intentional or not) in the drink from a book on Coca Cola's history that is verified by the company itself.

 

Also kinda curious, what kind of test would be valid in testing a century old coke to determine whether it had traces of cocaine, knowing that organic compounds degrade with time?

I don't know what drug you're talking about, because the allegedly most frequently used illegal drug worldwide Cocaine is absolutely refined from Coca leaves (Erythroxylum coca) and was thus named coca-ine (don't be fooled by its disyllabic pronunciation). Lidocaine/Xylocaine is a local anesthetic that is sometimes used to dilute Cocaine but otherwise has nothing much in common with it.

If you think Lidocaine/Xylocaine have nothing to do with cocaine, maybe you should study a little chemistry perhaps?

They belong to the same family, which means they share many similarities in their molecular structure.

Also every single caine out there is an anesthetic kind of medicament, I think you guys will recognize Novocaine immediatly(it's not really that famous in my country, but i've seen many mentions of it in other countries). There's also the fact that many of these caines are made from extracts of plants that are also used to make drugs. There's even one that was made from Coca leaves aside from cocaine, and exibts nothing of the psychoactive effects cocaine has. WHich is why I said that Cocaine is the black sheep, it's the other chemicals that make cocaine the trash that it is. And no while it's similar to plant the name is not Coca-ine

Cocaine is NOT the plant Coca. The drug's name is CO-CAINE, Not COCA-INE.

It has this name because it belongs to the CAINE family of drugs, of which cocaine is the black sheep, the only poison among this family of medicaments.

So it's the drug CO which belongs to the CAINE family, thus Cocaine. We also have famous substances like, Lidocaine and Xilocaine you know, all belonging to the same family.

I don't know what drug you're talking about, because the allegedly most frequently used illegal drug worldwide Cocaine is absolutely refined from Coca leaves (Erythroxylum coca) and was thus named coca-ine (don't be fooled by its disyllabic pronunciation). Lidocaine/Xylocaine is a local anesthetic that is sometimes used to dilute Cocaine but otherwise has nothing much in common with it.

Irrelevant, since E-kun is correct that Coca Cola originally included cocaine.

You do know that this was already disproven right? The testing went negative. And let me tell you this, the way of testing it is actually very effective. If it says it's negative then it is negative, 0 chance of having a different result. There is actually no proof on the claim other than a relation between the Ingredients which MAY lead to a possibility of it having cocaine at one point in time.

But frankly, it's a case of the "Correlation proves Causation" fallacy, where some medicaments did indeed carry a dose of cocaine way back in the day(between the 19th century and the 20th), and thus because back then Coca Cola was more of a medicament than a soft drink it MAY have followed trend. And yes I did read that news report, and even in the report the reporter does say that "Coca Cola may have had cocaine in it's formula".

The point is, there no longer any evidence on the case, and older and current testing have already proven that there is no cocaine in Coca Cola so the argument is irrelevant.

Cocaine is NOT the plant Coca. The drug's name is CO-CAINE, Not COCA-INE.

It has this name because it belongs to the CAINE family of drugs, of which cocaine is the black sheep, the only poison among this family of medicaments.

So it's the drug CO which belongs to the CAINE family, thus Cocaine. We also have famous substances like, Lidocaine and Xilocaine you know, all belonging to the same family.

 

Irrelevant, since E-kun is correct that Coca Cola originally included cocaine.

I'm looking forward to the story passed down about senkuu being as over the top and mis-remembered as the momotaro one

Hey, as a wise man once said:

 

A thing worth having is a thing worth cheating for.

inb4 senkuus parents broke out like 200 years ago and the tribe are his familys descendants and he manipulates them with the wise elder card.

This manga is fresh as fuck.

ChxonM5r.jpg

The resemblance is uncanny!

I can't stand the art.

Boichi obviously didn't want to make any effort on mangas which are not his.

Wallman was published 7 years ago, and still has 100x better art compared to this garbage.

Inagaki Riichiro should've hired another artist. His story is wasted on Boichi.

Seriously, there are a lot of random isekai artists who did a lot better job than Boichi.

I pity Inagaki Riichiro.

You've a degree in science and you don't know that percentages can be used for more than just probability? His use of percentages doesn't imply probability, it's used to quantify the amount of "certainty" he has on the matter. When used this way it CAN surpass 100%. It's pretty much the same as saying you have multiple times the normal amount of certainty normaly required for knowing something. That you know more than just how to recognize something.

This is a figure of speech called Hyperbole, a pretty acceptable one at that.

 

actually you are both right and both wrong, on one hand you actually cant be more than 100% sure, because this is 100% of your maximum certainty not typical, on the other hand the idea of surpassing 100%  is a japanese cultural thing (not 100% increases but just 100% total) often times in japanese people will talk about things like working more than 24 hrs per day or giving 120% of your effort,  these are just figures of speech no matter how mathematically incorrect, they are linguistically valid.

 

 

edit: like I said before there is a difference between a % increase and a % total, the percent increase is also mathematically valid

TL:DR don't talk about shit you don't understand, you or the OP

 

edit: like I said before there is a difference between a % increase and a % total, the percent increase is also mathematically valid

Every time Senkuu says "Ten billion percent sure" or really any other number other than 100%, I just want to smack him.  That isn't how probability works.  I should know.  I got a damn college degree in actuarial sciences, so let me tell you this Senkuu.  You are 100% a dumbass.

b63b933683e6aa13d20a84173742f1ee.jpg

You've a degree in science and you don't know that percentages can be used for more than just probability? His use of percentages doesn't imply probability, it's used to quantify the amount of "certainty" he has on the matter. When used this way it CAN surpass 100%. It's pretty much the same as saying you have multiple times the normal amount of certainty normaly required for knowing something. That you know more than just how to recognize something.

This is a figure of speech called Hyperbole, a pretty acceptable one at that.

 

But well, that's probably outside your field, which is not really an excuse, cause we have way easier examples of this outside science.(200% experience events, damage multipliers on skills, like 1870% damage, and so on, which is the same kind of thing)

.

Spoiler

Cocaine is NOT the plant Coca. The drug's name is CO-CAINE, Not COCA-INE.

It has this name because it belongs to the CAINE family of drugs, of which cocaine is the black sheep, the only poison among this family of medicaments.

So it's the drug CO which belongs to the CAINE family, thus Cocaine. We also have famous substances like, Lidocaine and Xilocaine you know, all belonging to the same family.

Why no one is talking about this?

Spoiler

Momotaro-No-Ken
Uzumaki Momotaro
Shinobi from Peachnoha
ATTATATATATA!!!-no jutsu!
"My chakra is already inside you, you have three minutes left to live demons! "

And don't forget his faithful companion Pika-trao.
That allways have his back, and is very popular among the fans.
Why no one is talking about this?

k9iP4vs.png

Momotaro-No-Ken
Uzumaki Momotaro
Shinobi from Peachnoha

ATTATATATATA!!!-no jutsu!

"My chakra is already inside you, you have three minutes left to live demons! "

Every time Senkuu says "Ten billion percent sure" or really any other number other than 100%, I just want to smack him.  That isn't how probability works.  I should know.  I got a damn college degree in actuarial sciences, so let me tell you this Senkuu.  You are 100% a dumbass.

b63b933683e6aa13d20a84173742f1ee.jpg

Figure of speech > Guy on the internet who claims to have a degree in science that doesn't understand language.

His inability to digest a fictional use of trivial hyperbole suggests some form of mild personality disorder.

What did you say abouy my mother!!??

Someone sure is butthurt over a small catchphrase

 

His inability to digest a fictional use of trivial hyperbole suggests some form of mild personality disorder.

Every time Senkuu says "Ten billion percent sure" or really any other number other than 100%, I just want to smack him.  That isn't how probability works.  I should know.  I got a damn college degree in actuarial sciences, so let me tell you this Senkuu.  You are 100% a dumbass.

b63b933683e6aa13d20a84173742f1ee.jpg

 

Wow.


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