Thank you!! My son, right as I tuck him in: "Dada, how do scientists know how old something is?" Me, cleverly and not showing my panic: "It's bedtime. Ask me first thing in the morning. I'll tell you all about it" as I run to the internet for answers! haha.
@uhuh.22324 жыл бұрын
Haha you got kids
@Julie-ox1ez4 жыл бұрын
Elisha Rankine Haha ikr wow thats so crazy wow haha he got kids no way haha
@uhuh.22324 жыл бұрын
@@Julie-ox1ez haha
@ohdommy50194 жыл бұрын
Oml
@kaeylataavialma69423 жыл бұрын
thats a good dad
@xPeterthepallyx7 жыл бұрын
You've just explained this better than 3 of my Geology professors. Thank you.
@k-kaib53154 жыл бұрын
🤣🤣😂😂oh myy
@natebrackett20934 жыл бұрын
fr
@kkkkk3933 жыл бұрын
me too😂😂😂😂
@Unique_Monk5 ай бұрын
C-14 has a half of 5700 yrs So how can a fossil be millions of yrs old if it contains c-14 There was no millions of yrs - it’s just a fairy tale to remove God - as an ex atheist I thought the same as you - science (real science) proves there has to be a creator
@JackSolomonTV4 жыл бұрын
i have a carbon dating asignment and ihad no idea what i was doing. after i watched this i still have no idea what im doing
@AminaKhanAnula6 ай бұрын
@noncatholiccatholicrat6309Ай бұрын
still need help with your assignment?
@TimCrinion8 жыл бұрын
Let's assume that C12 and C14 have 'reliable' half lives. How do we calculate how old something is unless we know the original C12:C14 ratio in an organism? Also, how do we know that radiation has collided with N14 at a constant rate throughout history? Wouldn't creatures near the poles be less exposed to it than creatures at the equator?
@TimCrinion7 жыл бұрын
But you didn't answer my questions. If you have a lump of carbon and you don't know its *original* ratio of C12 to C14, how can you date it? The best you can do is get its oldest possible date of creation by assuming it started out 100% C14. I am not a creationist so please don't use the false dilemma of _"creationist or trust everything today's textbooks say"_. Have these half-lives all been measured in the last few decades at room temperature? Would they have been different at the bottom of the sea, or when earth had a different atmosphere?
@Rondu017 жыл бұрын
Tim Crinion Carbon dating is getting it's last time it was alive, not created/born. How many years it lived before it died is the number you don't know. But you do know the closest century it was last alive, give or take 100 years, which you didn't know before carbon dating. In the videos they say on AVERAGE(not precise) C:14 has a half life of 5730. In life, science and math every positive has a negative. My question is can carbon dating be used to determine if something is from the future. Could you carbon date something and the number be -5730?
@TimCrinion7 жыл бұрын
Rondu01 But how do we know what the *original* ratio of C12 to C14 is?
@Rondu017 жыл бұрын
Tim Crinion You don't need C12 you just need C14 because it's unstable. When a living thing dies C14 also does. They carbon date C14.
@TimCrinion7 жыл бұрын
Rondu01 But it's impossible to make the calculation unless you know the original C12:C14 ratio and the current C12:C14 ratio.
@Nickoflouse8 жыл бұрын
This video is a great introduction to radiometric dating. It provides a great baseline understanding of carbon-14 dating in a simple, easy to understand manner. It explains how the carbon gets into organic material and how the ratios work in calculating the half-life of a sample. However, this is too short to provide any in depth explanation of how carbon-14 is formed and some of the flaws of carbon-14 dating. For example, the description states “How do scientists determine the age of fossils” while radiocarbon dating is helpful in some cases, most fossils are too old to be radiocarbon dated. Overall, this video is a quick and basic introduction to radiocarbon dating.
@yangsi33892 жыл бұрын
Only one word- Best Video ever on Carbon dating
@ElegantMovement10 жыл бұрын
Finally a straight forward video on the subject! Just a few questions: How did scientists determine the half-life of C14 ("5730 years on average") and other elements? Also, to measure the ratio of C12 to C14, don't you need to know where they both started to calculate? For example, if two different organisms lived and died around the same time, do they have the same ratio of C12 to C14 throughout their lives and at the very moment they die? I don't know if this chart was accurate, but it showed that an organism starts with more C14 than C12, but earlier he said that most Carbon molecules are C12. Am I missing something? Thanks!
@Harm1041210 жыл бұрын
JoeyJoey G Good questions. "How did scientists determine the half-life of C14 ("5730 years on average") and other elements?" -- The even better question would be: How do we know the half-lives of elements with half-lives in the millions of years? Of course you don't sit and wait until half of it is gone. In an exponential decay (one with a half-life), the amount of decays per second (or hour, or day... however long you have time to measure) is proportional to the amount of substance. The proportionality factor is related to the half-life. So you need a sample where you know how much C-14 is in it and then measure the amount of radiation that is emitted by it. Then some rather simple calculation gives you the half-life. (-dN/dt = k*N -- N is the number of atoms, dN/dt is the number of atoms decaying per unit time and k is the proportionality constant, with t_{1/2} = ln(2)/k (t_{1/2} is the half-life, ln the natural logarithm)) Here is one of the papers quoted in the recommendation for 5730 years (note that the puplication is older and has a result of 5780 years): www.sciencedirect.com/science/article/pii/0020708X61901338# "Also, to measure the ratio of C12 to C14, don't you need to know where they both started to calculate?" -- Not to measure the ratio, but to determine the age from the ratio. The coarsest approach is to use the present day fraction (or rather 1950s -- before a-bomb experiments changed it somewhat) as a starting point. But of course, e.g. the sun's activity has some influence on that, but by now the historical variations are known. For other sources of error, see: www.c14dating.com/corr.html "For example, if two different organisms lived and died around the same time, do they have the same ratio of C12 to C14 throughout their lives and at the very moment they die?" -- depends on what those organisms are. If they are the same species, feed on the same stuff etc., then yes. But there are some species for which it doesn't work because they get substantial parts of their carbon not from the atmosphere (especially marine organisms, see the link above: reservoir effect). "Am I missing something?" -- The y-axis was labeled: "Fraction of Elements present" -- but I agree, the C-12 line makes no sense. But it's difficult to plot them poth on the same graph (maybe with a log scale), because natural C-14 abundance is 1 part per trillion (so 10^-12). Which is still a large number, if your sample is on the order or 10^23 particles (two grams of carbon), it would be 10^11 particles or about 1400 decays per hour (unless I've made a mistake punching it into my calculator).
@bio202010 жыл бұрын
Harm10412 And a third question - are there any conditions that can affect, or alter, the deterioration rate?
@Harm1041210 жыл бұрын
bio2020 The decay rate can usually only slightly be affected (less than 1%) by environmental effects. And that's on the order of the margin of error to which the half-life of C-14 is known. A large effect is only known for fully ionized large atoms, but that wouldn't be the case in biological samples.
@56Valo9 жыл бұрын
bio2020 There is nothing that has been shown to affect the half life of any substance. Such a phenomenon would be a gamechanger for energy from nuclear fission.
@Harm104128 жыл бұрын
Valo56 See my comment above: there are actually some boundary cases (namely electron capture, especially in highly ionized atoms) where the half-life of a nucleus can be changed somewhat (usually on the order of up to one percent, but in some exceptional cases even more).
@kalv.19639 жыл бұрын
Simple and to the point. Thanks Michael!
@change4ark11 жыл бұрын
I just wanted to know something brief about carbon dating and this short video clips helps me a great deal. Thanks!!!
@notwendy39435 жыл бұрын
This helped my class a lot in what were learning! They send you the thanks of all thanks! Ill keep showing my class these types of videos because your awesome!
@ForeverBleedinGreen3 жыл бұрын
Tell them THIS: A measurable amount of carbon-14 cannot last for more 50,000 to 75,000 years MAX - in ANY substance - yet it's not only found in DINOSAUR BONES, but ALSO in OIL, NATURAL GAS, COAL, and EVEN DIAMONDS - WHICH ARE ALLEGED TO BE 1 TO 3 BILLION YEARS OLD! This one, single, solitary fact ALONE, disproves "billions of years!" Period!
@MossyMozart5 ай бұрын
@notwendy3943 - I am hoping that you did NOT tell anyone you know that is interested in science about @ForeverBleedinGreen 's "young Earth creationist" pseudoscientific theory. It is a religious concept that requires only faith in that specific religion. It is NOT scientific, which requires the scientific method. All the best and stay curious!
@oilyliver50784 жыл бұрын
going insane in quarantine
@hmm..15603 жыл бұрын
Hang in there bud.
@boyitalian213 жыл бұрын
yeah
@Starr001173 жыл бұрын
Same stuck in the house all day
@jcru3z11 жыл бұрын
"Animal and plant remains can undergo a variety of physical and chemical changes during fossilisation. This results in fossils showing varying styles and degrees of organic preservation: minimal decay with only some loss of soft tissue preservation of a skeleton with minimal change removal of all organic material except carbon, which remains as a film in the rock" KZbin does not allow me to post the reference link :(
@UWBadgers1011 жыл бұрын
Thank you for your reply. Does it mean that the ratio of C14 to C12 in the atmosphere remain constant unless disturbed by "any occasional spikes of C14 levels"? If so, any living organisms that breath in the air should have a constant C14:C12 ratio until they die when the C14 level start to decrease because no new C14 is taken in. Please correct me if I'm wrong.
@voidei9 жыл бұрын
3 half lives!!!!!!!! PRAISE LORD GABEN
@kleenex30007 жыл бұрын
LMAO!
@lumberhat66365 жыл бұрын
@Shad Gragg that's not the joke
@chizpa3055 жыл бұрын
It takes a really long time for the 2nd half life to the 3rd half life. I've been waiting for quite a while.
@paulbockmann84024 жыл бұрын
@@chizpa305 No more waiting now..
@CherryCakeLane7 жыл бұрын
Perfect! This video was the most helpful video I found on Carbon Dating! I've been trying to understand how scientists date the Earth as oppose to fossils, this video explained things in such a way that I could apply the wisdom to understand dating the planet better, thank you!
@gnhman1878 Жыл бұрын
I have a few questions: How do scientists know that the half life of C-14 is 5730 years? How do scientists know the initial amount of C-14 inside of the organism when the organism died?
@geradod89114 жыл бұрын
"For humans, you would ask to see their birth certificate." in what woRLD WOULD YOU NOT ASK THE PERSON, AND INSTEAD ASK TO SEE THEIR BIRTH CERTIFICATE LMAO
@moritzkorsch90294 жыл бұрын
Because people can lie. Orignal birth certificates are made when you are born and are a proof that you can show. You cannot prove your age with words.
@iambeepbop24524 жыл бұрын
@@moritzkorsch9029 So every time you ask someone how old they are, you also ask them for an official copy of their birth certificate to make sure they aren't lying???
@moritzkorsch90294 жыл бұрын
@@iambeepbop2452 Of course I wouldn't in a casual conversation. I cannot think of anyone needing concrete proof of your age casually. That being said, if you needed to prove it, for example if you apply for medical insurance, they would definitely want some proof beyond your word.
@JohnSmith-li5pj4 жыл бұрын
@@moritzkorsch9029 You can fake birth certificates although I do not know how easy it is to ascertain the legitimacy of a birth certificate.
@moritzkorsch90294 жыл бұрын
@@JohnSmith-li5pj The step to actually forge a document like this is rather big, compared to lying about your age in a conversation (especially casually). A big portion of crime is enabled by opportunity, so if it is absolutely necessary to know the age of a person, an official document has to be shown, which is hard to forge. If fake IDs are easy to get by in your area, that just enables more people to have an opportunity to lie about it (e.g. getting alcohol below 21 in the US).
@moumitahalder1997 Жыл бұрын
you have explain it better than my teacher and 3 other books of Anthropology in 2minutes.. Thank You..
@moeman198410 жыл бұрын
One thing I don't get about half life, say every 5700 years half of it decays, and it keeps going on that pattern, when does it decay completely?
@ryushev20007 жыл бұрын
theoretically never.
@mradulagrawal15797 жыл бұрын
moeman1984 5700 years for 50% 11400 years for 75% 17100 years for 87.5% 22800 years for 93.75% 28500 years for 96.875% 34200 years for ~ 98.5 % and still counts it never decays completely but we assume it to be completed at 6 or 7 half life times
@jackbalitok39107 жыл бұрын
It will not decay when it reaches a stable state. For example uranium, when it will decay, the neutrons will be reduced to radon (one of the daughters of uranium) so it will stay there. More like from radioactive elements broken up to be simpler elements.
@cyranodebergerac79626 жыл бұрын
60000 yrs later
@mtnmotoadv6 жыл бұрын
Why doesn't carbon decay linearly?
@chemeng19774 жыл бұрын
Great questions below, and video, used it to explain this to my kids. For the questions, the ratio of C14 to C12 is relatively constant across geography and across time. For Geography this is due to the cosmic ray creation of C14 far up in our atmosphere, this is where light rays that are also relatively constant over the centuries create C14 with cosmic bombardment, similar to the norther lights phenomenon. Since it's so high in the atmosphere by the time it reaches ground level it's virtually homogeneous globally. Over time we know it's constant as we have carbon dated events from thousands of years ago, events who's dates we know from written tests, everything from Egyptian mummies to medieval artifacts, to trees that are still alive and over 4000 years old. We have proof that carbon dating is very effective. To go further back in time you can use other radioactive elements with much longer half lives, and unlike C14 turning into C12 + nitrogen gas, these other longer half life elements often break down into 2 other elements that are not gases such as nitrogen, as such with those you have further help determining the age as you have 2 remnants of the original radioactive isotope. These other longer range radioactive products come from the molten core of the earth, and they too are equally mixed in the molten core ,but with longer half lives you also get less precision and you'll usually see comments of plus or minus hundreds of thousands or millions of years, versus C14 that can date on a level of plus or minus a few decades. Lots of work and proof went into this marvelous insight into how to date something over thousands and millions of years.
@ForeverBleedinGreen3 жыл бұрын
Yeah, go tell some more lies to your kids. Why not? They get lied to every day anyway, right?
@prashantvicky5 жыл бұрын
Great explanation. It had always confused me, now I can understand the history books better.
@thatoneguywhowatchesyouwhe28013 жыл бұрын
amazing explanation, thank you.
@kingBRANDONcastle7 жыл бұрын
How do you know how much of Carbon 14 the animal originally had? How do you know the composition of the atmosphere in which the creature lived to base the answer on?
@futurez126 жыл бұрын
My understanding is that you don't need to know the original amount of C14, the ratio of C12 and C14 is the same in every living organism. It's only when the organism dies that the C14 begins to decay, but crucially the C12 doesn't. Therefore, from the moment it dies the ratio between the two begins to change. Since we know the half life of the isotope, we can therefore know how long it's been since the organism died.
@fredd2985 жыл бұрын
@@futurez12 That is because living organisms take in and expel carbon dioxide. This will leave the ratio of C12/C14 equal to that of the atmosphere. (Until death when CO2 is not exchanged) However his question is, how are we certain that previous ratios were the same as present day.
@heckingbamboozled80975 жыл бұрын
@Pepe - We know they're the same as present day because we can look at things like carbon concentration in ice core dating, for example. There's also some ways of testing that sort of thing via rock samples taken from different sedimentary layers, but that's beyond my basic understanding
@HANITAI.6 жыл бұрын
how do you know how much carbon 14 did it originally have?
@linostoe3 жыл бұрын
i finally understood this! thank you soooo much
@ForeverBleedinGreen3 жыл бұрын
The ONLY thing to "UNDERSTAND" is that radiometric dating is a SCAM!
@fugitive0114 жыл бұрын
Welp after hearing people say over and over, "carbon dating isnt that reliable" And hearing this, it seems like a very legitimate way to date things. I mean its not like you can get a accurate date but close enough is still pretty good.
@oliviawebb849610 жыл бұрын
Very informative and easy to understand explanation, thanks :)
@Life-mq5ou7 жыл бұрын
cool video. to the point. what are the elements they use to see if something is older?
@shielste4 жыл бұрын
Uranium-Lead
@hannelindblad947010 жыл бұрын
How do you now the time on this? Over 5000 years for the carbon to half? How many other things can influence that, i wonder..?
@KPosssa10 жыл бұрын
Not many. If you studied Chemistry or even Molecular Biology you would know this.
@SuperSupermanX19999 жыл бұрын
Hanne Lindblad Environmental effects are known to effect half life but only in the 1% area. This is accounted for in the expected margin for error. Carbon dating gives a rough estimate on the age of the sample, but it's not expected to be precise down to the exact decade. Remember that the half life is only the *average speed* of decay.
@morriswahba1732 жыл бұрын
Simple and easy explanations
@carsonblake10710 жыл бұрын
thanks this really helps with my homework
@mrs.plattisaz18717 жыл бұрын
Great short and informative piece, great for teacher use!
@mikeb42617 жыл бұрын
Wow....you never mentioned climate change or social justice. That's pretty good!
@heckingbamboozled80975 жыл бұрын
Even though climate change is a serious issue.
@gdogvibes111 жыл бұрын
I study in Electrical Engineering, but focus on Physics. I lightly know about the topic of fossilization. I shall concede, because you are probably much more knowledgable than I can even pretend to be on the subject. Thanks for the info. Good luck on the finals!
@DavidZimbeck8 жыл бұрын
And carbon dating is also a crock of shit.
@dv90966 жыл бұрын
I still don’t believe in authenticity of the Carbon dating! Is there any other recent upgraded techniques that these paleochronologists use that could replace this carbondating?
@sumertheory10 жыл бұрын
why does dino bone contain detectable levels of C14
@KPosssa10 жыл бұрын
Dinosaur bones technically do contain detectable levels of Carbon-14 beta particle emissions, but you would never use Carbon-14 to date it because the half life is much to short. They would use something like Potassium 40 which has a half life of millions of years instead of just 5730 years. The problem is creationists and science hating people usually just leave that part out.
@cairoxl56937 жыл бұрын
Kyle Possai how do you determine when to use carbon and when to use another element? Do they date only specific parts of bones or do they date multiple parts of different bones and then use an average?
@stuartlaw40116 жыл бұрын
Dilithium Crystals because they are less that 250000 yrs old. Why do diamonds have c14?
@hurricane1nox6 жыл бұрын
yea n who the fuck was around to measure the half life of potassium 40.
@alphanomega126 жыл бұрын
@@hurricane1nox That's not how it works dum dum
@DannyHauger6 жыл бұрын
Great classroom resource, thanks!
@feoysabroso5 жыл бұрын
Careful with those "s" "j" "z" etc, I'm wearing headphones, almost killed my ears, and I'm at only 50% of max volume... Use a de-esser or even a mic foam cover
@brucevida91755 жыл бұрын
loved the video it was short easy to comprehend and follow up on its accuracy, thank you all including my favorite platform KZbin!
@Redoer8 жыл бұрын
I'm the answer to everything
@kevinrex74148 жыл бұрын
hahahah cool
@gothicknight55388 жыл бұрын
Give the solution to the Rieman Hypothesis
@Redoer8 жыл бұрын
you would die from the immense intensity of the answer, that's why he's dead
@gothicknight55388 жыл бұрын
***** Risk I'm willing to take
@breather8692 жыл бұрын
Finally I can truly understand Car Seat Headrest
@NikhilAgl11 жыл бұрын
Do the 1945 bombings affect dating process?
@Georgia-Vic4 жыл бұрын
No arrogant ignorance does though!
@srividyaananth76446 ай бұрын
Very informative and interesting. Thank you.
@Bulletproof19519 жыл бұрын
Christians don't use science to try to find God; God uses science to draw us to him.
@galaxyspirals95959 жыл бұрын
Bulletproof1951 Creationist use science in the same way a hobo uses a light post; for support instead of illumination. And when that fails they try to piss on it.
@dgilbertson107 жыл бұрын
Roddy Yang "7 days" isnt actually 7 days. Just because some people believe in God, doesnt mean they'll believe the bible word for word.
@kleenex30007 жыл бұрын
>>>G-D uses science
@MissterBest8 ай бұрын
That initial slow, deliberate turn to camera was epic. This guy Fs
@Riss_193 жыл бұрын
I was just wrecking my brain over it. Now it's all clear. Thanks a lot sir
@JAYLi3Nbassship2 ай бұрын
great video and explanation. appologies if this was answered already but how do we know how many carbon 14 atoms the animal had?
@ankur31025 жыл бұрын
It's really very helpful. Thank u.
@jacksonmock4202 жыл бұрын
Teacher made me watch this
@greggunter59758 ай бұрын
Wish it was a bit more detailed but thank you!!
@hasutailiu53925 ай бұрын
Thank you! I have a question, why C14 starts to go away only after the creature died? Is it because it could gather new C14 atoms through metabolism when living? But I also heard it being used on detecting the age of non-lifes, such like ceramics, then how does it work?
@olgamorozewych726210 ай бұрын
so interesting ! I made notes to keep it memorized ! This info is almost like reading a Cook Book
@jayjbee621410 жыл бұрын
Way simpler then the rest of the videos, thanks
@Emper0rH0rde Жыл бұрын
I've found it's the short and simple explanations that are the easiest to understand.
@tonkashouse11 жыл бұрын
Sounds about right. The only way I could see spikes would be caused by increases in cosmic rays interacting with Nitrogen. Animals and Plants breathe to take in different gases. We need O2 and plants want CO2. So it may be that plants and animals absorb at different rates and that may be part of the range of dates too.
@vosid9777 ай бұрын
perfect explanation
@dasmrup40033 жыл бұрын
This information was pretty good, bro
@lesliecampbell7304 жыл бұрын
so i'm watching this to find an answer to a question witch one is the oldest bone,granite,fossil,wood,or quartzite can someone pls answer
@the_amanverma_9 ай бұрын
such an easy explanation thanks
@sillysauce552 жыл бұрын
very helpful :D
@TexasHoosier31182 ай бұрын
It is necessary to know the starting quantity of C-14. How can that be known with a high degree of certainty?
@Hollasino10 жыл бұрын
Thank you!!!!!! This is very helpful!
@DiegoRevilla160511 жыл бұрын
explaining scientific phenomenons as its best, in the most easy way. Guys you are owesame, very intelligent and simple :)
@kaceybonasera73404 жыл бұрын
THANK YOU. biology is hard and the wording in lectures make it even harder. this explained it simply. thank you.
@froghugger84412 жыл бұрын
THANK YOU you explain this way more easily then my archaeology professor now I get it
@JennyJohn-re3yt11 ай бұрын
Excellent explained thank you
@miguelnieto46526 жыл бұрын
INCREIBLE!
@NotAtAllLegit11 жыл бұрын
Thanks for the video, it is the best (by far!) that explains carbon dating in a way I can understand. Thanks! :3
@ForeverBleedinGreen3 жыл бұрын
The only thing you need to understand is that carbon dating does not work. None of the methods work. They're all scams designed with the sole intention of getting people to believe in "millions and billions of years" - period...
@mick22316 жыл бұрын
Thanks mate that was really helpful.
@nilox28239 жыл бұрын
Thanks for this bruh.
@jonnyswiftquest2072 жыл бұрын
Am I correct and understanding that the DK process for carbon-14 that exists in a given animal, does not begin to decay until that animal dies? Why is that?
@jimsagubigula7337 Жыл бұрын
Because when something is alive, it keeps replenishing its radioactive carbon through breathing.
@vatsaldabhi11453 жыл бұрын
superb to the point explainantion!! thanks..
@yohandamiansmith3 жыл бұрын
got to know the related idea sir... nice one
@tonkashouse11 жыл бұрын
Here's my non-college graduate answer: Because we know how C14 is made, by cosmic ray interaction with Nitrogen in the atmosphere, and that cosmic rays come at Earth at a relatively constant rate, we can infer that C14 levels are stable. Carbon dating provides an age range that should account for any occasional spikes in C14 levels. Sound good to anyone else?
@melleniumsinha79948 жыл бұрын
that,s a good explanation a student like me can get to the concept easily thanx
@roncallahan403 жыл бұрын
How do you count them?
@sandyrephots6 жыл бұрын
Vine por las fuentes del Robot de Platón... Muy buena explicación, me gusta que hable pronunciando formalmente, así lo entiendo muy bien. Saludos!!
@Hum_Bharat_Ke Жыл бұрын
What I understood in 2 min can't be done by normal teachers in 5730 yrs
@Edward-fw2hy6 жыл бұрын
Thanks, Michael! Now I understand Carbon Dating !!! Room 206 in Toronto, Canada.
@baileymoore6397 Жыл бұрын
Thank you Micheal
@ratisingh34584 жыл бұрын
Thank u for such a knowledgeable video........☺☺
@student_of_life_and_time3 жыл бұрын
So that carbon dating was usually used to analyzed how old already is an animal's remaining parts like their bones?
@ThomasKundera2 жыл бұрын
For example. But only for quite recent stuff (less than 50.000 years old).
@SqueakerAlpha11 жыл бұрын
They do calibration craphs using tree ring data from various parts of the earth. That lets them have a dendochronology date and its carbon date as a check. As I understand it the C14/C12 ratio in the air is relatively stable. Sources of carbon for aquatic creatures are a know problem because they ingest old carbon.
@avighavate97214 жыл бұрын
Thank u .Very well explained 🙏
@Kapomafioso7 жыл бұрын
But how do we know the initial ratio?
@theriveroffaith8526 жыл бұрын
Do you know of the single scientific dating method used for accurately dating any object? If so, what is it, and how does it work?
@ForeverBleedinGreen3 жыл бұрын
There is no chemical method of dating ANY object, PERIOD! Radiometric dating is a SCAM!
@awkndbahamut4445 Жыл бұрын
@@ForeverBleedinGreenproof
@seastar57463 жыл бұрын
Thnx much... It helps me a lot.
@divya_agin5 жыл бұрын
Very useful. Thank you
@muralip2102 Жыл бұрын
Sir, tq, u cleared my doubt
@minxstudios53875 жыл бұрын
Cool video
@dreetihazarika99327 жыл бұрын
vey helpful..Thank you very much!😊
@true_canadian101510 ай бұрын
I’m confused why does carbon-14 only start to break down after the death of its host? have we observed carbon 14 breaking down outside of an animal or plant?
@AlbertaGeek2 ай бұрын
That's not how it works.
@prathibha8124 жыл бұрын
Wow thanks for this info
@gameleengaming55309 ай бұрын
Great Explanation ❤
@Fulikia4 жыл бұрын
Thanks Easy to understand
@ForeverBleedinGreen3 жыл бұрын
UNDERSTAND THIS: A measurable amount of carbon-14 cannot last for more 50,000 to 75,000 years MAX - in ANY substance - yet it's not only found in DINOSAUR BONES, but ALSO in OIL, NATURAL GAS, COAL, and EVEN DIAMONDS - WHICH ARE ALLEGED TO BE 1 TO 3 BILLION YEARS OLD! This one, single, solitary fact ALONE, disproves "billions of years!" Period!
@TwillightOwl11 жыл бұрын
A complicated formula created a while ago, makes your life so much easier Mr. Bohannon, Half-Life is calculated within a year or two. The data is put into a formula, and voilá, a Half-Life number of a decaying isotope is precisely what you have got as the end result.
@izkykhan93105 жыл бұрын
We can estimate the age by measuring the ratio of C-12 and C-14 ..... can we estimate the age by comparing the activity of C-14 in live and dead plant .. if yes then how🤔🤔???? Plz clear this point 🤯