exchemist

1 hour ago, empleat said:

Then don't that is perfectly fine too. Also fine by me. But it would be erroneous to think incoherent = wrong. That is personal attack, you will try to say it is coherent to me, but i am delusional, or it is nonsense, maybe not, but i am used to and predict the only worst so...

You could ask me small questions, that is if you want...

again as i just explained i suffer 7 years 10/10 chronic pain and i have aphasia and brain damage, i am nowhere near state to have smooth debate about this...

EDIT: SO for example what do you think about Birth of tragedy 17. music is a priory to our experience and yet it is not abstract and thoroughly determinate and helps us make sense of any underlying situation and understand what is going on. That is very strong argument I feel like.

No one mentioned it yet.

No. I'm out of this now.  

9 minutes ago, empleat said:

Interesting, I thought it cannot be proven! How science came to conclusion that there is not a distinction between the two, even it still cannot be fully proven from the looks of it.

 

Everyone says this to me, except 160IQ person with 4 areas of science and does philosophy... That i am delusional/crazy. I made post on mensa sub-reddit and everyon resisted every word i said and then one guy comes and said I Am more intelligent than others give me credit for. I had these existential feelings (it is really immensely complicated topic) since I was kid. Big problem is you can't explain in language even close, it is just impossible... I had these since I was kid and even when i was chill yet, i had also spontaneous spiritual awakening during these and it wasn't always negative, but sublime! 160IQ told me i am not crazy there is something more going on... And people with overexcitabilities can express symptoms of Schizoprenia and mental disorders, while it is more complex process of dynamisms which are processes driving personality development. I read it all the time gifted are called schizoprenic and 100 labels... But i am not denying i have tons of problems and sometimes i was even delusional from pain, i suffered so much i hit limit on suffering, that i couldn't feel any more pain... Still this is like most clique thing to say... In society anyone who isn't like them is called crazy... While it was found that mental disorders are even evolutionary functional and some professor called society barbaric for imprisoning ppl with them and they are not getting there help they need and leaving them behind... I watched TV show about women which was called delusional/psychotic and conspiratory, that someone killed their husband. Even someone tried to kill her in ward and doctor just assume it were hallucinating and treated their most cold way, literally didn't even tried to understand her, or respect her feelings and then she was wondering why she tried to escape repeatedly, but some nice cop saved her and trusted her... You cannot even imagine how warped are these doctors/institutions... Chomsky said civilization is 100 years behind morally, behind intellect, but sorry going to tangents too much i just woke up...

https://en.wikipedia.org/wiki/Positive_disintegration

 

That is not inconsistent with what i am saying, you can die as human body, but you will live all possible lives forever as everything is one ever changing whole! Unfortunately most ppl just trying to get most for themselves by pushing other ppl down, instead trying to elevate them with them! Also idea of eternal now is scares me to death, that everything already is and we can't change it... I don't understand how in works in terms of Quantum Superposition tho, if you can change what is, or if everything what ever was and will be already is existing in eternal now... I Am not smart anymore, i am so damaged i don't even remember basics TBH...

Also there are hypotheses universe is one organism, like ANN etc. And creates more complexity with similar process like darwinian evolution and conscious agents, so there might be hope. I just hope that it could be changeable and not like everything is already written and absolute... That is nightmarish idea!

I don't follow, I wasn't talking about mystical traditions, but biggest geniuses that ever lived...

That everything is based on our assumptions and ultimately unprovable, there might be limit on our knowledge and science might not be completible, also we still young on kardashev scale of civilizations, so it is still up to debate and even theories might not mean too much, as it is just too complex and mistakes can be easily made, or use some data which fits your theory etc. I have always doubts, i now i don't even remember anything to give examples, because i am in pain... Which is annoying... ALso i never said i am smarter or know best, i always question everything from 0, but i can't even get to point 1.1 between A and B, before just someone stops me usually and they just want to be contrarian and don't try to engage with argument at all usually... And i have problem with speech, i never said i am trying to prove this empirically, or i have empirical prove. It is so disgustingly complex, i read x .pdfs and i always want to know more and have doubts ofc. but it is my problem with speech and memory... 

ALSO What about immaterialism of language, is or is it not strong argument against materialism? I didn't have time to even start reading about this...

Fun answer, so coherent = not eligible? I suffer with aphasia and i have 10/10 pain 7 years so... Some ppl discard knowledge too fast, most ppl judge new knowledge based on their existing knowledge. While i don't know you and i don't assume of other ppl ahead in opposite what others do. But i would say you just saw consciousness and QM and thought it is another of these claims, i knew ppl which were really smart, but limited their pool of knowledge and were too quick to come to conclusions... I am more of an foundational thinker and questions everything all the time, and like to make mistakes and revise my positions all the time... Also why would you assume, it was only this? See you how bad this can be, when ppl do this, because:

I Am aware that it is know that QM doesn't even necessarily play role in the consciousness, even there is debate about that. That's not what this was about, it is so much broader conundrum... No it is not ignorant, or stupid. I think you are just referring to theories, i am referring more broadly to phenomena itself and its usefullness. Yes some theories are like people uncritically believing everything is math and it is basis of reality, when math is not even language of math (goedel theorem), but no one can explain what consciousness is, yes that doesn't mean it is immaterial yet, it is complicated, nevertheless (i have amnesia can't almost recall the words) science is using it today as mainstream paradigm. What about Wheeler's Participatory Universe? Wheeler was one of most prominent physicists! Also there is no external reality without observer - 2022 Quantum Prize for quantum entanglement and non locality and bells inequalities, unless superdeterminism isn't true... Not sure if this cannot be interpreted other ways too, i have so intense headaches blurred vision and tinnitus, can't even recall. Don't take what i say literally, i literally autocorrect like ai based on what i say and what other ppl give me input to it, because i am completely messed up... And suffer from severe aphasia... I might be wrong, but i thought science today use consciousness as one of main paradigms and was actually able to make progress because of it. Also we learn more from mistakes than from success - Nikola Tesla, no theory is useless even wrong one. Although I agree, ppl make me egregious claims theorizes, but i care more about foundations... Or if it is even possibility, who would want to risk that. I think people should elevate other with them instead of pushing them down, otherwise we will create infinite hell for us, not to mention it benefits them if others are doing good, instead bad too!

It is still uncanny biggest geniuses ever thought so!

Also consciousness cannot be conceptualized, even if you describe it using math, it would be still formulas in framework of experience, even this doesn't prove anything also, we just started studying it, so i wouldn't use this as argument. You should be open to possibilities... https://www.scientificamerican.com/article/a-25-year-old-bet-about-consciousness-has-finally-been-settled/

There are so many other avenues, which we can't even study and we just started study it, so ofc. we can't say yet what it is, there are many other views. Everything is unprovable and based on some assumptions, there might be absolutely limit on knowledge and science might not be even completible... With knowledge shores of our ignorance rise! "a man mistakes his limits for limits of the world" - Arthur Schopenhauer. We all know nothing, even if one reads 1000wpm and i read speed reading does not work and leads to worse recollection, you can't know even 0.00000000001% I get this a lot from very smart ppl too and then they say something that is wrong... That's usual treatment i get, no one even tries to help me, i need put cards on deck to see, it is like... That is literally the truth, i had many ppl shutting me down and then smarter ppl than them said i am extremely intelligent, no one ever wanted to give me even chance. AS i explained i have 7 years chronic pain and suffer from crippling headaches and aphasia, memory, intelligence issues... I Am trying working on my health 24/7 David Goggins Can't Hurt Me audiobook for anyone who wants to completely change their life (from nothing to navy seals, it is meant for absolutely anyone, even for mental tasks), i can't even read anymore...

Again but i am not smart anymore, feel free to criticize my arguments not person, i am also not saying you are necessarily this, but you see 2 words consciousness QM and post not coherent and basically say everything now i say cannot be right, so if i say world is round, world is flat is correct now. It is like murderer saying murder is wrong , you say because he is murderer, it cannot be right, so murder is now right... I found it arrogant, but i don't even care about that. I Am just tired of intellectually dishonest ppl, because again i knew about this, that there are many egregarious and just unsubstantiated claims about consciousness in relation to QM... It is just so complicated, it cannot be done justice in coupl sentences and again i am in terrible state...

 

 

The point about lack of coherence is that your "arguments" are almost impossible to discern. And frankly, there is no reason why we should all make a superhuman effort, just for a random unknown person on the internet.  So you need to get coherent somehow, either by yourself or with appropriate help, and maybe people will pay attention. 

15 hours ago, StringJunky said:

Peer review is seen to be working. It seems a bit naive to think that ones deception won't be noticed in the long term.

Yes, but the issue here is that it is not deception per se. It's more subtle than that. As I understand it, it is rewarding researchers that manage - whether by good science, luck or bending their findings - to get the sort of results the big man hopes for, to support his theory. And presumably by burying the careers of those unfortunate researchers that can't replicate the findings, or get positive results.

In medicine in particular, there seems to be a culture of the big man: the eminent doctor or surgeon whom everyone wants to consult, whom everyone wants to study under and who has extensive powers of patronage. So, without any actual overt malpractice, a system can be created that is biased towards finding convenient rather than inconvenient results. And then the temptation to fabricate, to discard -ve data and so forth is there. 

On 7/19/2023 at 3:15 AM, empleat said:

Nietzsche, Goethe, Schopenhauer thought everything is one whole (e.g. consciousness/god):

Also that there is no distinction between object-subject, even it is unprovable as Schopenhauer said in his book The World as Will and its representation.

Also music is thought to be direct representation to will, as it is a priory to objects of mind, not abstract but thoroughly determinate like universal language and it allows us to get meaning of e.g. dramatic scenes, or what is going on in any given situation. Birth of Tragedy 17. https://www.gutenberg.org/files/51356/51356-h/51356-h.htm

I had divine mania like Nietzsche I was everything from homeless man to emperor! This is so beyond language, I can't prove it, but I saw things beyond imagination and comprehension! Interestingly enough: I read that international high IQ having same experiences of oneness with everything, timelessness and infinity! Sonya Falck supposedly reported on this, even i couldn't find it in her book, but i didn't have time to read it and i can't so...

If we don't make life as a game, like sport and won't elevate other ppl with us (selfish-altruism), instead of trying to push them down... We will create eternal hell for us... We should just have fun and enjoy ourselves, slave morality is so strong ppl are today afraid to enjoy themselves, it is everything today as we live in degenerate society...

It is so terrible, 99.9999% ppl are not even strong to consider this, your sub-consciousness protects you, because there is no evolutionary advantage for you knowing this and it is so terrible who would wanted to be depressed and in agony 24/7... I know no one will take this seriously anyways, so it is whatever...

There are even theories in sciences about this, tho we are infantile and it is unprovable, if we ever could know as there might be limit on knowledge! And consciousness is getting importance in science to explain reality and solve problems...

The thing about consciousness is a fairly widespread popular misunderstanding, often associated with quantum theory and sometimes, in egregiously ignorant or stupid cases, with relativity. But I won't go further, as your post is not very coherent.  

55 minutes ago, TheVat said:

This CDC stat I saw recently in a news article was a bit of a shock.

https://www.cdc.gov/chronicdisease/index.htm

"Six in ten Americans live with at least one chronic disease, like heart disease and stroke, cancer, or diabetes."

 This number really doesn't line up with my own experiences, with a variety of social and work circles in five different states, so clearly I have had sampling errors and perceptual filters that led me to think that number would be lower.  Either that, or the statistic presented has been tinkered with in some misleading way.  (if that figure was describing, say, all adults over fifty, I would find it easier to swallow)

If you are a member of the professional class, active and in work, you won’t see that much of the unhealthy portion of the population. Commuting to work in London, one notices how young and healthy many people are, compared with say a coastal English town that one might visit on holiday. In the US I suspect there is also a strong ethnic divide, with poor health prevalent among groups one meets fewer of. 
 

But I see they include as chronic disease anything that lasts over a year and requires treatment. That strikes me as very broad.

19 hours ago, swansont said:

One of the references I perused noted that the Russians typically used plain old wood coffins. Others note that the whole section of the cemetery was buried in concrete

I also read that zinc coffins have been used in the USSR to repatriate the bodies of dead soldiers. 

54 minutes ago, Photon Guy said:

You would have to ask Stan Lee if you want to know exactly what kind of radioactive spider we're talking about when we're talking about the spider that bit Spiderman.

So can you have access to good drinking water without having to lug large amounts of water around, when you don't have running water? Let's say you're out in a desert. Or let's say you are in an area that does have water in the form of oceans and rain, is it drinkable water? The water in our oceans is not drinkable for various reasons, not the least being that it contains way too much salt. That's the problem with water that you find in nature, it could not be the drinkable kind. 

True, but lugging around a supply of compressed hydrogen would be worse than water. 

4 hours ago, GrahamF said:

Xiulin Ruan, a professor of mechanical engineering at Purdue University, and his students came up with a white paint that reflects 98.1 percent of solar radiation. The white paint actually emits more infrared heat than it absorbs. For example, previous experiments showed this paint cooling a surface by 8 degrees Fahrenheit versus the surroundings under noon sunlight. At night, the ultra-white material can keep things 19 degrees Fahrenheit cooler. Wouldn't this functionally be a form of Maxwell's Demon?

OK, I may have found the basis of this: https://pubs.acs.org/doi/10.1021/acsami.1c02368

Translating the jargon into normal language, this is based on barium sulphate, which the authors say has a high band gap - which makes it non-absorptive, i.e. white, in the visible region of the spectrum, while having a "9μ phonon resonance", i.e. vibrational excitation of the crystal lattice, making it a good absorber and emitter in the infra red. 

In effect, this paint is white in the visible but "black" in the IR! Very clever. 

But no Maxwell's Demon.  Thermodynamics continues to rule. 

1 hour ago, GrahamF said:

Xiulin Ruan, a professor of mechanical engineering at Purdue University, and his students came up with a white paint that reflects 98.1 percent of solar radiation. The white paint actually emits more infrared heat than it absorbs. For example, previous experiments showed this paint cooling a surface by 8 degrees Fahrenheit versus the surroundings under noon sunlight. At night, the ultra-white material can keep things 19 degrees Fahrenheit cooler. Wouldn't this functionally be a form of Maxwell's Demon?

Something odd here. An efficient emitter of thermal radiation is a black body, not a white one. Do you have a link describing what they did in more detail?

As for Maxwell’s Demon, no. The surface of the ground at night will often be cooler than the air, if there is no cloud cover. That’s because from a radiation point of view the ground is trying to get towards thermal equilibrium with space - which is very cold.

20 minutes ago, zapatos said:

That tomato looks like it was kept in the refrigerator.

I knew it is advised not to store tomatoes in the fridge, but not why. Is this the reason, perhaps?

2 hours ago, Externet said:

What is the process to induce seeds to sprout inside the fruit ?  🤔

Tomato:

Where did you get this picture from?

11 minutes ago, swansont said:

“They are buried in zinc-lined, lead coffins set in deep graves near Moscow.”

OK I've found it now, near the end. Thanks. 

43 minutes ago, swansont said:

They could have become contaminated, though. Breathing in radioactive particulates that stay in the lungs, for example, or breathing/ingesting anything that the body takes up (or just transits through the body)

The reporting about the lead coffins is not just from the TV show.

https://programs.fas.org/ssp/nukes/fuelcycle/chernobyllessons.html

I couldn’t see anything about sealed coffins in that description. Does it say that?

8 hours ago, Photon Guy said:

There is also the fact that science can "ruin" science fiction. For instance, back when Spiderman first came out the story was that he was bitten by a radioactive spider and that's how he got superpowers. Today, with all the scientific discoveries we made since, we know that if you're bitten by a radioactive spider you will die when the radiation goes through your bloodstream and all. Back then, though, they didn't understand all the stuff about radiation that they do now. 

That was a story for kids. Anyone back in the 60s who knew any science realised the concept of a “radioactive spider” made no sense. In sci fi there is often a macguffin to enable the plot that is scientifically dodgy, (faster than light travel being perhaps the most obvious).
 

But writers, even today, have a blind spot about radiation. I was appalled, in the 2019 TV dramatisation of the Chernobyl disaster, to see them claim the bodies of workers who died of radiation sickness had to be buried in sealed coffins, as if they had become radioactive as a result of exposure to radiation. That’s  utter bullshit - but makes for suitably harrowing TV, with distraught relatives unable to say goodbye to loved ones etc etc.
 

So they put it in, regardless. It appalled me as I think it irresponsible to perpetuate superstitious myths about the effects of radiation, among the general public. And especially in a drama documentary with pretensions to accuracy. It made me suspect there were other fictions in the series - as indeed there were.

1 minute ago, Externet said:

Hello all.

In a successful body weight reduction; the loss of mainly fat tissues, its mass becomes energy used by the body, or is excreted as urine, as stools, as sweat ?  Where that lost mass goes / becomes ?  Any byproducts too ?

The fat, which provides energy to the body, does so by being oxidised to water and CO2, just like carbohydrates, but involving a different reaction of course. The CO2 is exhaled through the lungs and the water is excreted via the usual processes. 

5 hours ago, Photon Guy said:

 

Well here is the science fiction media where I got the idea of dehydrated water. As I said, it's science fiction. 
https://spacequest.fandom.com/wiki/Dehydrated_Water_(original_version)

OK. So someone had not thought it through, evidently. That happens a lot in some sci-fi, which is why people like me can find some of it rather irritating.

14 minutes ago, studiot said:

Interesting idea, but exchemist has done and exhaustive job of demonstrating it's impracticability.  +1

However the idea of only carting 2g of hydrogen and not the extra 16g of oxygen with you, but finding it already there is one of these theoretically attractive but practically less useful, so should not be ridiculed.

Some similar was shown in that great film "The Martian", as was the danger og burning hydrogen to get water.

Yes the basic problem is that, while hydrogen is light, it is a gas that can't be liquefied under pressure (at normal temperatures), as it is above its critical temperature. So you have an intractable volume problem.

3 minutes ago, Kenpachi1905 said:

Hi, i have two questions for you:

1. There is any product that can help to restore the blonde?

2. If a darker blonde who was blonde go to the north become blonde again? Or no

Are you asking about genes or about how an individual can lighten the colour of his or her hair? Your (1) and (2) suggest it is the latter.

Re your (1), yes there are bleaching agents for hair that can lighten it.

Re your (2), no, the opposite is the case. Sunlight will tend to lighten dark blonde hair. I have had two blonde girlfriends in the course of my life and the hair of both would become a few shades lighter in summertime, especially after a sunny holiday.  

1 hour ago, FierceFirefly said:

Just wondering if anyone is able to help me with this biology question.

Suggest and explain why osmosis is so important in the structural support systems of plants. (6marks)

I have an idea that it's to do with the fact that depending on the state- whether it's hyptonic environment, hypersonic environment or isotonic state. Other than that I have absolutely no idea. Any suggestions would be greatly received.

Here's a clue: what happens when a plant wilts, due to lack of water?

2 hours ago, Alfred001 said:

Well, the fact that there may be other drugs that have a suspected link with cancer is not an argument for not investigating metronidazole's suspected link. All of them should be investigated.

So we have a tentative link and strong mechanistic evidence, doesn't that suggest that the link should be further investigated before the drug is prescribed en masse as we are in fact doing?

I actually don't think the study would be that difficult, this drug is widely prescribed, it wouldn't be hard to find subjects to enroll, even a massive number of them, and all you need to do is match them with controls and follow them over, yes, decades, but all that means is check ins every 5-10 years to see who got cancer. But let's set this aside, I want to focus the debate on whether it makes sense to prescribe this drug given the evidence for it causing cancer.

To your last paragraph, I think it's a matter of urgent concern because it has substantial (tho not conclusive) evidence for possibly causing cancer, yet we prescribe the drug widely. Is it the most urgent drug to investigate for such a link? I don't know, I make no claim with regards to that, my claim is simply that prescribing a drug with evidence for causing cancer without disproving a causal connection with an adequate study is insane.

But have the studies been done? Is there an adequately powered study with adequate followup that allows us to conclusively say there is no increase in cancer risk or that it is trivially small? Or is it simply that we haven't done the studies so we don't know how much we are potentially increasing people's risk of cancer?

Checking who got cancer would not be enough. People get cancer anyway from a wide variety of causes, or just by bad luck. So you would need a sample population big enough to detect a statistically significantly higher rate of cancer than an equivalent population who had never been prescribed metronidazole  and then correct that for any causes of cancer (such as recurrent helicobacter pylori infection) which might make the test population more susceptible to cancer than the controls. Not straight forward, it seems to me.

But in any case from the links you provided there is no strong evidence of cancer from this drug as prescribed in human subjects. I quote from your second link:

"A teratogenic effect of metronidazole could not be established (Koss et al. Reference Koss, Baras, Lane, Aubry, Marcus, Markowitz and Koumans2012), but it was found to be carcinogenic in rodents after extended durations of highly dosed treatment. In man, results were less clear and often conflicting (Dobiás et al. Reference Dobiás, Cerná, Rössner and Srám1994). With regard to short-term treatment with metronidazole, originally no correlation between metronidazole intake and cancer was found (Falagas et al. Reference Falagas, Walker, Jick, Ruthazer, Griffith and Snydman1998), but more recent studies report on a limited correlation (Friedman et al. Reference Friedman, Jiang, Udaltsova, Quesenberry, Cha and Habel2009). As a consequence, metronidazole is officially classified as ‘reasonably anticipated to be a human carcinogen’.

There is a theoretical risk, no doubt, due to the results of the animal studies, but these involve vastly more intense and prolonged exposure to the drug than occurs in prescribing. It is fairly evident from the passage I have quoted that if there is an effect it cannot be marked.   @CharonY describes the situation 2 posts above this one. 

1 hour ago, Photon Guy said:

I've seen in science fiction this special product called "dehydrated water." What it consists of is simply a can of hydrogen so that if you're in an environment that has an atmosphere with oxygen (such as what we have on Earth) when you let the hydrogen out it bonds with the oxygen in the air and makes water. The idea is that it's supposed to enable you to have access to water when you need it without having to lug around lots of water. Such a can would be smaller than a canteen and would certainly be smaller than a whole water tank, and yet it would contain enough hydrogen to be able to produce tubs full of water by bonding with oxygen. 

Anyway, Im wondering what the possibility of having something like that can be in real life. We have been able to duplicate some stuff from science fiction such as the communicators from Star Trek that we now have in the form of smart phones, so how about something like this? What are the possibilities?

"Simply a can of hydrogen", eh? 

To get 18g of water would require 45l of hydrogen at atmospheric pressure and room temperature. So for a litre of drinking water you would need 2.4 m³ hydrogen at STP. You would compress it, of course, perhaps to 200bar, in which case the volume per litre of water would be 12l. But you would then have the weight of the pressure tank and the conversion catalyst, or burner + condenser, to react the hydrogen with atmospheric oxygen. I find it hard to imagine the weight of all this kit would be less than 1kg, which would be the weight of a litre of water.  So I don't see this working out in practice.   

2 hours ago, kenny1999 said:

When we say "sunlight fades colors" and "sunlight bleaches", does it carry similar similar meaning? 

How about "discolor". Is it only a different term for the same idea?

There are different but contradictory results on Google. Is sun bleaching of clothes or other objects are physical or chemical change?

I believe that it should be chemical change, because it is that the sun breaks the bonds and changes color of things.

I'm not able to find out a general equation for such reaction. Is there any such equation?

When the color of an object is faded or bleached, is there any end products during the reaction which would go away from the object?

Is there any reliable sources of reading on web about such topic that you can recommend?

You are quite right about this being a chemical process- photochemical, more specifically. Absorption of light by dyes creates excited states with antibonding character and/or unpaired electrons. These are reactive and may form new bonds, either within the molecule or between molecules. If this happens, then more often than not it will interrupt the conjugated bonding systems responsible for absorption in the visible, hence causing a bleaching or fading effect. But there won't be any one reaction scheme for this. There is an article here about chromophores that explains the type of bonding responsible: https://en.wikipedia.org/wiki/Chromophore.  Interrupting the chain of alternating single and double bonds will change the wavelength at which the molecules absorbs light, generally towards the UV.

5 minutes ago, deema78 said:

.

You need to put more effort into saying something that makes sense. If you are capable of that. 

9 minutes ago, Alfred001 said:

Are you seriously this dense?

 

Most people don't seem to think I'm dense: but I suppose it's all relative. With you I struggle because I don't understand why you seem so anxious about this issue. The links you provided seem to me to show only a very tentative, and possibly non-existent, association with cancer in humans under the conditions of use for this drug in practice, viz. short regimes of treatment lasting only a few days. Plenty of drugs have been associated with cancer. Here's a report of a meta-analysis of some of them: https://pubmed.ncbi.nlm.nih.gov/24310915/

I would agree it might be nice, if the time and resources were available, to conduct some long term follow-up, but it would need to be over decades, and require a very large sample (thousands) of people who like me were once prescribed this drug for a few days. But this would not be easy and it would have to be prioritised relative to other research projects.

What I miss from you, perhaps because I'm so dense, is what makes you think the risk with metronidazole sticks out as a matter of urgent concern, compared to all the other drugs that have also been associated with cancer.  

On 7/10/2023 at 2:08 PM, deema78 said:

Why do folks not get that logic and illogic are the literal two binding principles of our universe? Our universe was FOUNDED on logic an illogic.

Big bang "A". What happened after in the physical we could say "B". What happened in the quantum we could say "the rest of alphabet all at once"

Point is, it is all those two principles after the bang. It doesn't matter how you want to use math to explain it. There was an "A" and a "B". Logic and illogic are the only two things in existence that are part of the actual bang, itself. Because the bang is "A". Math didnt come until after

Math is not real. It is an art form created to explain something

Is this a problem of terminology, perhaps? Mathematics is abstract, but I’m not sure it helps to question whether abstract concepts  are “real” or not. Many, possibly most, of the concepts we use in thinking and communicating are abstract in some sense. 

2 hours ago, kenny1999 said:

I can always find expiry dates or "best before..." on the label of different household prooducts e.g. dish soap, shampoo, hand wash, toothpaste, laundry etc. It is usually up to two or three years. However, I really doubt, could chemicals expire in such a short time e.g. a few years? Or is it only the businessmen want you to consume it quickly and buy it again quickly? In other words, if I have some of the household items suggested above which have expired for a few years after the date on the label, can I use them safely and not very ineffectively?

Most household chemical products are not a single substance but a preparation involving a mixture of different substances. On prolonged storage some of these may slowly interact with one another, with the air, or with the packaging (corrosion of metal, "panelling" of plastic, softening of cardboard etc). Even if this is not expected to happen, it may be hard for the manufacturer to be 100% sure without conducting very long term storage testing, which would be impractical to do before every product launch . This is why, for instance, when I worked in the lubricants industry, we generally had a nominal 5 yr shelf life for lubricating oils.  

Having said this, I've checked my shampoo and soap and there is no shelf life limit or expiry date stated. There is of course a batch number, but that is something different: a quality control measure so that, in the event of a problem being discovered, the batch concerned can be identified and possibly recalled.