How taking a bath led to Archimedes' principle - Mark Salata

[@tc225k]

The original showerthoughts

[@corbinleconner8588]

Flatx1 finally a decent comment not complaining about the video.

[@TherealSoggyCan]

Me with a time machine Creator of Homework:Dead Creator of school:dead Creator of Maths:deas Creator of Arxhimedes Princepicel:Not dead Me:looks like i need to go again

[@rockinggirl0610]

😂😂😂

[@SXC01]

For real

[@chichobar1705]

LOL

[@michaelduggan5434]

wait so in the video, it looks like the crown displaces more water. should it not be the other way around?

[@atomix1876]

Pause at, 1:23

[@AsiniusNaso]

There need to be more geniuses running naked through the streets screaming of their discoveries. Cern should go streaking once they confirm the Higgs.

[@TeeJus]

I just had a long bath... Came up with nothing

[@niclemaire4307]

thumbs up if you watched the video for science class xD

[@alexyu1236]

Nic Lemaire i watched this so i can learn about gold/silver precious metal testing

[@CrunchyDark]

Nic Lemaire Critical thinking class here :P

[@emmanuelfuentes3650]

+Nic Lemaire I watched it for a math class

[@PokeShadow77]

math

[@ramoniiituble414]

Nic Lemaire I watched it while watching Pinoy Big Brother (Philippines).The show is creating a boat that must float in a swimming pool

[@Hamsiniii4718]

Anybody from 2024 >>> 👇🏻

[@derya_soo]

I have started to watch the videos from the oldest ones 😂😅

[@Becky_Cooling]

me

[@leitang1011]

Me

[@iwasbetrayed4noodles31]

Thought the title was ‘how taking a bath led to Archimedes’ Pimples’ instead of principals.

[@Ye___89]

who watched this in science class?

[@ryannrafeek2832]

Vyx Comrade Yoshi me😭

[@tristankuzdak7522]

Me lmao

[@SXC01]

Fr 💀

[@paprarazzi]

No one: Literally no one: Video: BATH IS MAKING HISTORY

[@rizzserafin7825]

This was mention in our class before, ( i forgot if it's during my elem or high school days) our teacher left us hanging on what did this philosoper found out after putting the crown in the bath ( or so like that) after many yeaars, here I am at last.

[@paolociatto5592]

Who here for school?

[@Moselae]

The goldsmith knew that was exactly what the king would do. So, he made sure the mass is equal. But, that means he had to fiddle with the volume because the mass of gold does not equal the mass of silver. Thus, the key was in the volume.

[@paramaguru2007]

I think this part of explanation was missing in the video!

[@zabintasrik4488]

We can still defeat it by adding something a lot denser than gold in the equation, and balancing it by mixing with a lighter material to achieve a close enough overall density and volume to gold, then just add a thin layer of gold on the outer surface, maybe using a technique like galvanizing. Sadly the blacksmith didn't have access to such complicated techniques of cheating nor wise advisors, hence he got caught.

[@TorBarstad]

Awesome story and awesome animation. This TEDEducation-thing is a really great concept! I haven´t seen many of the other videos though, so it might be just this one, but just so you know for future videos: The humming noise in the background can probably be removed quite easily with the help of Adobe Soundbooth :)

[@luciannarosee]

My teacher showed this video to my class, thank you!

[@manoramayadav1511]

Lucianna Gaming And More! Me too

[@makodarra8480]

Thank you so much for the concise yet useful information given in these videos. They definitely help me in a lot of my homework and studies :)

[@realityacceptor3068]

I understood everything but at the end of the video why was the water level of the container which contained the crown in it higher than the container of pure gold ???

[@Agentenaranja1968]

+Reality Acceptor It must be a mistake by the animators. Since the crown was less dense the displacement of water should have been less too.

[@doraemon551]

I guess since crown was less dense, then the amount of water that is removed from container is also less. that is why we see the level of (the remaining) water in crown's container is higher than the one with pure gold in it.

[@realityacceptor3068]

volume is the same, which means mass wont have any effect

[@PavanSai033]

+Reality Acceptor Mass of the crown and the coins is same. Volume differs. Less denser Crown will displace less amount of water. As the coins have more density, the amount of water displaced is also more.

[@realityacceptor3068]

+Pavan Sai volume is independent of density my dear

[@thedoctor855]

2:48 I watched this in science and at that moment exactly that was a half dab and I pointed it out and the reaction was 9.9/10

[@hollybanana9096]

wdum

[@antonyamalpadiyapurathfran4836]

isnt the water in the bucket which has crown should be lesser than the that with gold coins, right?

[@asyrafebo4609]

who's watching this on 2016, anw i love it easy explanation on what is archimedes principle. thanks

[@masqueradian2028]

I love the story of the medics bird... Yes i'm a nerd

[@danielmeiring1858]

Asyraf Cboy I'm watching in 2017 😂🤛🏼

[@soimlegendary6533]

me toooooooo

[@vishresh7080]

im studing this in 5th grade

[@atomix1876]

Pause at 1:23

[@FilmsGio]

😂

[@pqaza_]

why are you here

[@sareema_3303]

what

[@yessssssss754]

what are u doing here gio

[@bonniekyoto7605]

why u here?

[@inferno9924]

I miss you man

[@PIPOx04]

THANKS FOR DOING MY HOMEWORK!!! c: i needed to research about that dude, now i have it all in a simple entertaining vid.

[@Baby_kitale_]

2020 we learn and I just cheat it

[@Jossegossegrisfis]

I didn't get archimedes' principle at all before, but now I think I get it! This video has helped my physics grade a lot

[@misterengels]

This is not archimedes' principle. The principle states: "the buoyant force on an object immersed in a fluid is equal to the weight of the fluid displaced by that object."

[@bobibridges]

I feel its this mass that has the relevance in the story, the mass of the crown and the gold are the same but when placed in the water the silver crown displaces more water than the gold because it requires more material to be of equal weight.. That's what I get from the story. I could be wrong.

[@Dg0swe5ts]

Beautiful animation and great story. I'm going to show this to my eighth graders this week. Thanks TED-ED!

[@cloudeie]

did they like it

[@livinlife123]

@@cloudeie 10 years late buddy

[@cloudeie]

@@livinlife123 5 months late buckaroo

[@xtcyrafa]

@@cloudeiethey already graduated from college by now lmao

[@cloudeie]

@@xtcyrafa ok but did they like it

[@boldswagon]

It is important to realise that the concept that a submerged object displaces a volume of fluid equal to its own volume is not Archimedes' principle. Archimedes' principle, equates the buoyant force to the weight of the fluid displaced.

[@davidecardullo1779]

basically you are the only one recognising it in this comment area :(

[@paulad4755]

This is so helpful thank you 🙏 I needed this for my coronavirus home schooling 😂 I had to make a comic out of this thank you so much 😊

[@yaruki_5]

Meh too

[@sydneystroud9206]

Gene De Leon wow same yall

[@TheBlueHokage]

Eureka!!!!

[@Ozist0088]

I'm a civil engineer studying buoyancy by Archimedes principle right now and i wanted to see who this Archimedes was. So happy i stumbled into this 11 year old video 😂

[@jaredbowen3527]

THAT MAN WAS SUPER SMART FOR HIS TIME

[@user-yj4qz5lo6k]

Many ancient Greeks were geniuses. They even calculated the circumference of the Earth

[@HOUKAIJIA]

I am very sorry to tell you that this is very likely wrong. There is no way that the goldsmith makes the crown according to the volumn given by the king. Its very hard to measure the volumn of the crown at that time, so its more likely to measure the weight of the gold privided by the King. The goldsmith, if he knew cheating on King will result in deadth, he will most likely make a crown of the same weight of the gold provided if he wanted to cheat. Thus, the more reasonable way is to make the crown of the same weight, which means it would be larger in volumn.

[@sxnnydxys2104]

Pov: You came back to this video after class to either comment or rewatch it because you forgot the answer to a question from your notes

[@cluckboy_55games69]

Anyone from school?

[@Wise.Leader]

Though I learned this during the early years in High School, this is certainly refreshing...

[@tasosne]

From Wikipedia: "Archimedes' principle is a law of physics stating that the upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid the body displaces. In other words, an immersed object is buoyed up by a force equal to the weight of the fluid it actually displaces." So I think that the end of the video is wrong...

[@TheRyuzaki33]

Wonderful Animation and story telling. Great job! But something feels wrong here with the explanation.

[@Katorze7]

School has screwed my recommended.

[@01824747]

luv the ending •~• I’ll be like him someday : >

[@mobluse]

What they call Archimedes' principle in this video is not actually Archimedes' principle. The real Archimedes' principle is that the measured weight of the crown diminishes by the weight of the displaced water. "Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object." -- Archimedes.

[@jeffsh20]

yea ur right Archimedes' principle deals with the upthrust experienced by a body immersed in a fluid.

[@superbeadle24]

Why didn't he just weigh the mass of the same amount of gold the king gave the gold smith and the mass of the crown :I

[@cytroop]

Can someone help me understand. If something has a higher density than another object of same volume. It weights more. Doesn't it? So why didnt they just weight the crown, and compare it to the weight of the ammount of coins he gave? if someone can explaine it to me, id be very gratefull.

[@marcpaulglimada3332]

there were no levers or weight measurements on that time and it was a very big challenge for archimedes to solve the problem.

[@john_alex_wood]

Wikipedia says this is not Archimedes Principle en.wikipedia.org/wiki/Eureka_(word)#Archimedes

[@-vanished-3749]

hi archimedes what your name?

[@MilesDeep]

I think that this should be shown in schools, Its better than most of my teachers.

[@miatalling6554]

Why did my teacher make me watch it for maths 😂🤦🏼‍♀️

[@shakunnautiyal1345]

My teacher told us to watch this video for making notes for the chapter but when I saw this 1:21 I think it's a biologi class 🤑🤑🤣🤣🤣😂😂😂😆😆

[@umuterdogan5735]

Suppose the crown has enclosed air bubbles. It still would be of pure gold but would have a bigger volume than the coins. So the crown has to be melt to get rid of the extra volume of the bubbles. For sure, the amount of extra volume from the bubbles must not lead to a total density of the crown which is below the density of water. Because then the crown would swim.

[@archimedessyracuse9200]

Thank you for the video

[@mamatabarman3721]

Archimedes Syracuse u eryffhig

[@dvcallen6872]

Thanks for the video. Why would an object with the exact same volume and shape move more water if it's silver than if it was made of gold? I don't get why a lighter density object would move more water that a higher density one? The mass and volume are exactly the same after all...

[@aditithomas291]

if the mass and volume were same, the density of both the crowns would be same. gold is heavier than most metals, hence the mass is not same leading to different density.. volume and density have inverse relationship that is less volume = more density and vice versa. hence a lighter density object will occupy more space leading to move more water...

[@coffeeperson1461]

@@aditithomas291 But if the outer size and shape are the same they should move the same amount of water. Where does the extra water come from?

[@lakalajadizaja4332]

Question. Shouldn't there be more water in the bucket where the coins are? (2:26)

[@squelf]

yes, probobly an error in the animation

[@kyanlehman4244]

If the coins are more dense, they will take up more volume, so the video is correct.

[@taopanda98]

BEST STORY EVER!

[@mynahification]

These type of science stories are often exaggerated or outright lies

[@bornbethlehem1259]

but what if there was just an airbubble inside somewhere?

[@dr.bassbase8595]

:O

[@monkeydetonation]

Well it doesn't matter because that still means the gold Smith cheated him

[@spaghettiman_5002]

Conny Sackwitz hey! That’s what my friend asked today in class lol, although your question is a good one I can answer it! no an air bubble can get trapped, it would simply slide to the top👆

[@aditri5582]

Another story there is another story after 5 years

[@Truthiness231]

Lesser known story: after the goldsmith was executed, Archimedes reached down into the water to grab the crown and a large air pocket was released, lowering the level of water down to where it should be. There were red faces all around, you can count on that!

[@bobov2404]

Well i didnt know archimedes was a redditor, he had a r/showerthought moment!

[@sonalisaha2280]

this is an amazing video, witty and educational, does it jovb very well, wonder if there are more science videos like this, science would be so much fun then!!!!11

[@VASH2]

actually , many people say the same story but the original one is a little bit different

[@abdullahahmad3526]

What is the real story, please can i have some knowledge about it- i doubt it is the ship vessel 🚢 one, am i right? Let me know Regards.

[@fandju111]

*A kid in Africa could've eaten Archimedes' principle*

[@chydedelaplace8947]

Accent Tué Please stop.

[@ethanchou4906]

A kid in africa could have eaten Please stop.

[@matyasbelas5074]

hi archimedes

[@hughplays2241]

Yo its Hugh guys is emmet there

[@dimamatat5548]

The only error is that it mentions the King of Sicily, when the title of the ruler Archimedes served under had the title of tyrant, and he did not control all of Sicily, just the city of Syracuse and the surrounding area.

[@shyam163]

this is wrong. measuring such small volume chavge is impossible by measuring water displaced . he didnt use the principle, if he just measured the vplume . what he did was actully ingenious He took a scale and placed gold having same mass on one side of scale and the crown on other side of the scale , if it was authentic then it would stay level in air and also when immeresed in water , if he substituted a lighter metal then that side would come up in water but reamin level in air

[@markludlow8858]

So helpful. I could use it to answer a homework Question. THANKS!!

[@logloggal]

thanks school for sending me this 🐸

[@Saiintx]

i dont get it Density = Mass divided by volume so how did archimedes calculate Mass?????

[@andysipchem9793]

by using a simple scale to compare the mass of the 2 objects

[@daragon2424]

c nul comme les cours de latin - grec

[@zumphe472]

god damn corona virus made me watch this for science

[@brd8764]

The story is about losing sense, staying clean and knowing science. And that what one learns is of importance which matters to all those who know science. Science is for understanding and maths is for calculating for use.

[@organiccheesetoastie896]

this is epic needed this for science pog

[@lucasencinasrodriguez9800]

eres el puto amo :))))))))))))))

[@IRON9LORD]

TedEd, You Guys are idols :), Must Be popular

[@miltondall7955]

In those days SG was not used although Density of substances was. Archimedes was well versed in boyancy of boats. What he noticed was that when got out of the bath that ran over when he tried to float in the bath, the volume now missing was the same as his body. He could now make a 'milli-cubit' cube of gold to determine exactly the 'Relative-density' of gold to water. The story goes on and on.

[@Tarbabyification]

Would a pure gold crown be too soft ?

[@introvertgonwilde6751]

Sultanofswing gold is heavy...

[@Gaze_LALISA]

Well, If the king knew how much gold he gave to the goldsmith, he could have kept the crown and the gold he gave to the goldsmith on a weighing balance(Weighing balance was an ancient weighing machine). Well, silver was less denser than gold. So, this means that the weight of the crown would also be lesser than the amount of gold he gave to the goldsmith. Guys, please tell me your opinions on my thinking. I may be wrong I don't know :'))

[@JesseLegend149]

That's just a suggestion on how to avoid this problem in the future, but doesn't actually solve the kings current problem. So your theory is right, but your thinking is wrong.

[@Gaze_LALISA]

@@JesseLegend149 well I think that so.

[@matfish2]

Bravo! Best explanation ever.

[@hello_neighbor0_05]

Showerthoughts originals

[@rso823]

But.. wouldn’t the crown always be less than the raw materials since the crown gets forged and shaped which isn’t 100% efficient process?

[@divvy1400yam600]

I think the explanation described here is incomplete to the point of error !!! You will only obtain the mass of the item if it just floats which will not be the case with a mixture of silver/gold in water. The volume of the crown is obtained by lowering it in to a fluid and measuring the volume of water displaced. A pure gold item is made of ANY shape but having the same volume as the crown which was determined by the volume of water displaced. Then the weight of the two items is compared on a balance. One side the crown the other the pure gold. ONLY if a balance is obtained is the crown pure gold. Thank you hehehehehe

[@TheRyuzaki33]

Yes something is quite wrong.

[@louisisakeg]

divvy1400yam600 I think the explanation in the video is clear. A crown is weighed to equal weight in gold. Then the crown is submerged in water and the displacement checked and compared to the equal weight of gold. If crown has silver in it then there is a greater displacement in the water than the pure gold.

[@jackieei9402]

I think the explanation is correct but one of the illustrations near the end is misleading... it shows the crown displacing more volume of water than the gold pieces. If the goldsmith was a skillful thief, the volume would be the same, but the mass of the crown would be less than the mass of the gold pieces paid to the goldsmith.

[@divvy1400yam600]

+Jackie Ei The vid explicitly states that Archie after having found the volume by immersion in a fluid proceeded to calculate the density. Considering gold/water then that cannot be done directly hence the video is wrong. As I stated 1 year ago only if the crown just floats is it possible. ! That is because the volume of water displaced would have the same mass as the crown. This not the case; the crown sinks hence the video is wrong. Sorry but i am confident what I am saying is correct. Anyone think otherwise ?

[@divvy1400yam600]

+louisb False. You dont understand archie's principle ! You have to proceed to weight comparison via first establishing EQUAL volumes!

[@edwardbernays920]

2:44 If I did something like kid's did who in the end of the video my mom would't close her eyes and cry instead she would slaps my backneck and grouches.

[@Capocomico]

a normal person from normal to genius realizes that the water rises when he/she is 4 years old , an that people was reportedly smarter than us.

[@Neater_profile]

Nah he was always a math God. You don't become the Greatest Mathematician of all time just by your Shower thoughts.

[@rmsvideos1335]

Horrible and misleading graphic at 2:30, the difference there would be 0. The Silver/Gold crown and the Gold coins of the same volume would displace the same amount of water.

[@bonniekyoto7605]

Wow even after a few years I needed this for Science Class lol

[@yukinya1127]

チャンネル登録者数多いですね！こんなに多い人、人生で初めて見ました！

[@jennyg5426]

Archimedes: Greatest mathematician of antiquity.

[@ericjulian962]

If the king knew how much gold he had given the gold smith couldn’t they just weigh the crown

[@abacab87]

I'm only here because some guy on Imgur named is cat Archimedes, and I had to find out who that was.

[@maddy.1204]

can someone help me we have to do a boat project and make a boat out of things that DONT float and it has to hold at least five pounds

[@tasosne]

ok, check anywhere you like. Archimedes' principle is about buoyancy. (κοίτα και το βιβλίο της Φυσικής της Γ'γυμνασίου, σελ. 79). So the end of the video (2:35-2:40) is wrong !

[@liiou4445]

here because science class

[@Coffee_and_Vanilla]

Is no one seriously looking at the fact the lady covered her child's eyes? 1:27

[@skylinedhandare9642]

king was more intelligent than archimedes because he already knew that the crown was not pure.

[@ximec.r.2643]

So the goldsmith did cheat the king! Funny how that's never mentioned until now.

[@xdtottoxd7492]

que dijo?????????????????????????????????????????????????????????????????????????????????????????????????????????

[@truthiness2010]

Gold is more than 80% more dense than silver. Any significant amount of substitution of silver for gold could be detected using displacement. Take a look at a 1oz silver bullion coin and a 1oz gold bullion coin and compare their size. The element with the closest density to gold is lead and this is what was traditionally used to fool people.

[@treyfrancis6219]

Science class people wya

[@jajajajaja959]

trey my g

[@silent738]

Yo I think you go to my school? Westglades?

[@Nikephorus83]

You really shouldn"t rely on wikipedia for knowledge tasos. The Archimedes principle is all about volume (not weight), based on the fact that water (and all fluids) are practically incompressible. The video has it right.

[@EcoHotdog]

Hi guys

[@mordecai6820]

But I jump into my bath tub does that mean I created more density by jumping