Walter Lewin's Dotted Lines Explained!

Walter Lewin, Dutch astrophysicist and professor emeritus at the Massachusetts Institute of Technology (MIT), shows a friend how to draw his famous dotted chalk lines on a blackboard.
Recorded at the Massachusetts Institute of Technology in 2012.

[@Jackson-zj7sz]

You know its a banger when the video: • Is at least 4 years old • Has more than 3 million views • Is not searched up by you • Is in your recommended section • Is less than 2 minutes long • Is uploaded to a channel with less than 100k subscribers • Is uploaded to a channel with a very random name

[@ali_new_world]

It was searched up by me lmao

[@frostbyteedits17]

And Also Without Custom Thumbnail

[@burntchickennugget8142]

Yeah

[@sylvy16]

Also is a vertical video

[@Spaghanna]

maybe the youtube algorithm is helping us apply the mandela effect to the trump presidency

[@knine2077]

Parents: So what did you learn today? Me: Pulls out chalk board* "This... is just the beginning".

[@mohamedali5842]

Knine 😂😂

[@dasun13]

Lmao

[@godjihyoizmyreligion1501]

Meanwhile the parents: 👁👄👁.....

[@minimoni69]

😂😂😂👌👌👌

[@trevor6434]

lolol

[@ricardobarrera7245]

I like how he goes: “This.....is just the beginning”

[@jamichaelyork946]

Ricardo Barrera when did he say that

[@Audaxia]

@@jamichaelyork946 did you watch the video? Lol he literally says it in the first 15 seconds

[@djpfarner9670]

@@jamichaelyork946 In the beginning

[@cakirvolkan5259]

I think it’s from god of war 🤣 A NEW BEGINNING! BE BETTER!

[@expulsoroffarts1589]

Plot twist: He never said it.

[@tek512]

The world needs more professors like the man. He's so passionate, even about something so minor. One can only imagine the effort he puts into teaching.

[@ryn5336]

You know the video “when a physics teacher k owe his stuff”? This is the guy

[@shoogamoogaman]

Probably not much, spends most of his time practicing with chalk

[@qwertyki9367]

@@shoogamoogaman lmao, doesnt put much effort into teaching

[@Freezermansaccountno]

Well I use walter lewin's recorded lecs to study something in depth but this guy is also a creep. He got kicked out of MIT for sexually harassing female students.

[@roachdoggjr7393]

Teachers and professors who are genuinely passionate about passing on knowledge, even when its just stuff like this, are so underappreicated but at the same time can change the course of a students life. If a teacher can ignite their passion into a student, it makes them work harder because they want to and will keep that up well past education. Dudes like is are just simply cool

[@CP-vg4vy]

The only thing that makes school a valid place is the teachers if im being honest.

[@d.a.f.5982]

@@CP-vg4vy quite precisely... the Freemasonic Indoctrination centers AKA schools are BS. Its about those teachers who go out of their way to be actual TEACHers.

[@boringdog]

IT'S ROACHDOGG'S SON! It's him it's really him!

[@lennartvdheijden]

Thought this was me

[@roachdoggjr7393]

@@boringdog smokin fat doinks in wexford

[@theultimatehoomanperson6701]

*Who came after the "He isn't even moving his hand" video?*

[@thefreemonk6938]

Lmao exactly me, that video got recommended to me which led to this video

[@varsharupchandani5337]

Me

[@yashthuwal8131]

Me

[@jacobmarshall5391]

Me, and not even by choice.

[@Mohammed-mm3kb]

me

[@kendrickbritto8556]

Interviewer: why do you think we should hire you in our university? Walter lewin: well..................................

[@alessiakrone8915]

You're HIRED!!!

[@footlong7980]

This deserves more likes

[@merinjoseph6123]

I think this is not the top comment because people are not getting the "dot joke" ,it was brilliant

[@zombiekiller7101]

Whaaat only 3 replies!!!

[@kendrickbritto8556]

@@zombiekiller7101 maybe it wasn’t that good😢 but thanks for the likes🤗

[@sam04019491]

Professor: This special ability I have honed for many years, made huge sacrifices in my life, let me show you this magic. Kid: Does it on first try. Professor: Come with me kid, let me show you how gravity works from the roof.

[@astroflexx82]

lmao

[@gunjanrana4474]

Lol

[@ray18mariah88]

this definitely deserves way more likes

[@opethium647]

hold up

[@mariapaul8165]

😂 😂 😂

[@succotash6732]

Imagine being able to hold the chalk Walter just held

[@hxd9321]

Ehh that’s just a bit weird

[@chillvibez7913]

Nice

[@lucassalinas1165]

"But that's just the beginning" sounded so dramatic, as if he were opening our eyes to greatest secret known to man

[@sohanprasad8989]

😂😂😂

[@quinxx12]

It's a pretty securely held secret to be fair

[@squircle2801]

Thats because he is

[@ratuadilFF]

Ya aku tau

[@RiddlerQM]

🤣🤣

[@79ped]

He reminds me of my professor in uni. Understanding, telling and patient. A man like that can change your whole life and the way you think

[@loenkei3214]

Sometimes geniuses aren't just the Einsteins and Newtons of this world. Sometimes it's your professor who can draw dotted lines effortlessly.

[@Laptopdog78]

So can the kid who did it on his first go!

[@Emcostanza]

It’s the chalk not his hand though I would always accidentally make the chalk skip

[@Xxmeca421xX]

Practice not genius

[@demosthones4425]

I love how everyone comments here like "geniuses aren't just the einsteins and newtons of this world" not realizing that this man has received 2 separate awards from NASA and almost a dozen in teaching and his contributions to physics and astronomy

[@miggs8075]

1 minute of silence for whiteboard users

[@tls5870]

But.... but chalk dries out my hand....

[@SpironAnthonBriton]

we use glass board rather than white boards in our school lol

[@alishasimon4538]

T L S chalk holders (that look like pens) might help you out.

[@AgentM124]

we don't use white chalk on blackboards we don't use black markers on whiteboards nah, we use gray ink on grayboards

[@aleksisakkinen506]

Miggs_SK- Science lover we use big tv monitor things

[@chase1146]

my god hes even teaching physics when hes not trying to teach physics

[@MrThestiffmiceter]

chase1146 you sir are funny.

[@jackcrooky9927]

Michael Stewart you're*

[@ComboMon-]

Michael Stewart WOAH

[@michaelstewart1526]

your gay for grammaers

[@ComboMon-]

Michael Stewart "grammars" : }

[@vaishportrays2963]

Honestly, I have myself been really fascinated as a kid while my teachers used to draw dotted lines on board so quickly and flawlessly. This is a universal skill of the teachers.

[@emekmek3197]

kzbin.info/www/bejne/raXFlJSNo96VsNU ,

[@NoLongo]

Any professor with hair and a shirt like that is going to be S tier.

[@CarsonJaggerFit]

My geometry teacher did this😂 and she didn’t think she did anything special but all the kids were like 🤯

[@yobrethren]

Kids in my class don't even pay enough attention to point out this cool thing

[@theearth4529]

@@yobrethren I think I found a Russian...

[@yobrethren]

@@theearth4529 русские везде надо просто тщательно искать. ✌️👁️👄👁️

[@theearth4529]

@@yobrethren ну ладно, в следующий раз буду искать лучше

[@dasun13]

@@theearth4529 loushu5050 videos of him speakingg ruski

[@sankalanpaulchowdhury8505]

I feel jealous of those people who came in contact with Sir. "Teachers who make physics boring are criminals" -Walter Lewin

[@abhisiktasinha2044]

Our physics teacher 😂😂

[@sam04019491]

“Chemistry is the study of change” - Walter White -

[@jeshauh]

@@sam04019491 Walter chalk

[@StardustLegacyFighter]

Dr Sidhu.

[@maddiebear7166]

That is truth. All my siblings before me got the best physics teacher in our high school. Engaging and fun but when I got there I got the dull as dishwater teacher needless to say I didn’t do great. There should be a way of teaching that is required for that subject.

[@jamiek9780]

You can just tell that this means a lot to him. It’s a neat trick to us but he clearly has this down to a science. It’s nice seeing people talk about things they care about.

[@r.fo.839]

This man has been putting knowledge on that chalk board for decades. Writing with that chalk is his bread n butter

[@swenzybeatz3156]

Kid tries once Does it Him: Ight imma head out

[@swenzybeatz3156]

Elite yet it does

[@ndsoo9865]

@Elite dab

[@boch2411]

@Elite shoo-shoo.

[@BarneyFishing]

It’s cos he’s a good teacher

[@Apollo-tj1vm]

Its MIT what do you expect?

[@slap_my_hand]

Bu that's..... just...... the beginning.

[@lukasratajczyk8016]

StarTrek123456 of

[@ZephyrAlphaOne]

@@wutcheckpoint1323 dread it, run from it

[@pipermclean9788]

@@ZephyrAlphaOne No coward, you FACE IT.

[@elmaccho6347]

Is this quote from detroit become human?

[@benapo8399]

@@elmaccho6347 no, thats thanos's quote

[@darylldaroy8719]

He is using Physics perfectly to draw dotted lines to give emphasis on his illustrations in teaching Physics. I should have attended even one of your lectures professor. Salute!

[@peeper2070]

I actually surched for this. I also forgot how to spell ‘search’ but I want to keep it. This is how language evolves.

[@immediamalcoccinello483]

pays $50,000/year *learns to draw dotted lines*

[@MrYunqueman]

Totally worth it.

[@LaTortuePGM]

understandable, have a nice day.

[@MrFallout984]

Patrick Connelli Broski you don't understand.. They're PERFECT dotted lines.

[@perez2k144]

lol

[@monkii3814]

also gets a degree at one of the world's top universities and any job they do after it get paid 100k or more/year

[@NashTheGreat]

i figure out this trick while writing on chalkboard and accidentally got those lines while writing.. and then my friend told me there's a professor who can draw dotted lines very fast and i ended up here...

[@gilfredsomera282]

wow nice

[@andybeast257]

The more you know

[@datrandomgirl5465]

You still use chalkboards?

[@zlegend9628]

DatRandom Girl :3 what's wrong with chalkboard?

[@louieman67]

Nice profile pic idk if you played that flash game it’s from but that’s a good memory of mine lol

[@normad88]

This man’s so talented he texts with his own chalk stylus, and he doesn’t use the on screen keyboard, he uses the digital touch function.

[@aswathikrishna600]

Only the bravest souls would dare to get such doubts cleared. The more your doubts are silly, the more genius you are..

[@cakemix5877]

That..was just the beginning This isn’t even my final form

[@nepasdisponible]

Oh hey Cake Mix, I just saw you a couple of days ago..

[@Nerd7373]

Cake mix Elon Musk 😂

[@srujansshetty6538]

Freeza Reference?

[@muhammadhashirsalman4193]

DBZ?

[@srujansshetty6538]

@@muhammadhashirsalman4193 Probably

[@exLFMAO]

Now i can die in peace.

[@decimatedbyatrain3339]

Did you dieded?

[@ramiabouzahra]

+Aoba Suzukaze 9gag in a nutshell

[@adastra2238]

So... You're alive?

[@decimatedbyatrain3339]

+RAZERZ 9gag in a nutshell would be a German cross-fitting engineer, who also games on PC, and can speak 43 different languages

[@ramiabouzahra]

Aoba Suzukaze And apache helicopter

[@cleanshoesbo]

Always cool to see an underestimated teacher showing something to a kid that saw his knowledge.

[@jackfrost9765]

he is not underestimated.....he is from MIT...

[@cleanshoesbo]

@@jackfrost9765 he was obviously underestimated if people were surprised he did it........

[@qaaris4280]

I already knew how it worked, but it was nice to see him explain it with such passion. He was legitimately happy to explain how it works to that guy.

[@xxivslop]

I would actually want to pay attention if he was my physics teacher

[@theduke2439]

Until the 12x12 matrix enters the channel

[@iwillattainmyredemption3028]

Actually I am glad to have a teache Just like him

[@liqueidonliqui7664]

Oh come on stfu we know you don't gaf.

[@EdgarSS]

Nah u don't

[@Justaguy10723]

You can watch his MIT lectures on his channel

[@IlknurMustafa]

Welcome to MIT, everyone

[@slashcomic]

Ilknur Mustafa does mit still use blackboards?

[@zeynepdelibas4109]

Wow.

[@ricoflamma5430]

vampiremane most Ivy League colleges still do

[@Peron1-MC]

well ofcourse otherwise you couldnt make perfect dotted lines XD

[@marklee1194]

Formerly, until MIT revoked his Professor Emeritus title in 2014.

[@mr.godabhi1157]

Big round of applause for the one who asked this doubt

[@moderateanti-msm4483]

Total respect to teachers who love their job.

[@TheMamahey]

“But that’s just the beginning” Man that shit was so satisfying

[@niks6595]

it is so satisfiing to look at that clean black board

[@rachel1215]

i know right? xD

[@wolf2109]

Nika Duzevic ive never seen a board like that. He sounded like it was made out of rubber

[@blendstairs9977]

Agree

[@steffirmts3056]

Yeah * ^ *

[@kamikan22]

this is one of the best pieces of wisdom youtube can hand us and I will use it to make the world a better place

[@Izuhu]

Can we appreciate how clean that chalk board is as well

[@DivizionGaming]

"Its that simple"...been hearing that all my life..

[@emeralf9228]

Next up: Why the World's Best Mathematicians Are Hoarding Chalk

[@frogbird9409]

LMAO that was literally the video I was recommended next

[@bait5257]

Bruh wtf

[@doeeyes2]

I watched that video like a year ago

[@ShreyBrawlStars]

@@doeeyes2 XD same and still got recommended to me 🤦‍♂️

[@laxminarayanbhandari855]

This guy has cracked KZbin's algorithm.

[@Quibbla]

I figured this out while in the naughty corner in grade 4, these university students find it as some big revelation.

[@TheOriginalJohnDoe]

I recognize the pure Dutch-English accent from anything. That’s a Dutch teacher for sure.

[@Loms]

Lol did anyone else notice how clean the fucking blackboard is appart from the chalk drawn on it? like tf?!

[@DrAdnan]

How did KZbin know I needed this skill in my life?

[@nobodyutichanda]

This is probably called the complete use of physics in every situation.... salute to this legend 🫡

[@danielbarbas8978]

Making dots on a chalk board will get me so far in life. I cant wait to learn this!!🤯

[@Grumpeiy]

This was patched sadly :(

[@ElvenMans]

?

[@thetf8142]

But how was it patched or fixed...

[@erfriedfalk]

Austin Huffine whiteboards

[@scroll9805]

Haha xD

[@apocalypse_march1499]

Aedb lol

[@Hanna-ed6po]

One minute's silence for the 40 million people who watched "his hand doesn't even move" but not this one🤯🙏🏼

[@feel1109]

lucky me....got recommended to this after finishing the other

[@Taydrum]

34 million*

[@TacoBlend]

This cool chalk thing aside, that's the cleanest chalk board I have ever seen. It seems polished and everything, probably new. Haha.

[@CMP719]

Back in the recommended, the video everyone didnt know they needed

[@afiqnizam1200]

he explains it as it is a groundbreaking discovery

[@No-0ne-is-Alone]

Afiq Nizam because it is?

[@asadullahmaan3482]

I would very much like to see u drawin those doted lines this fast.

[@kaziekkucykowski4284]

afiq maybe it is maybe it isn't but... what did you discover in your life? oh... nothing? that's what i thought...

[@bigchungus1251]

Because you can't do it. T gay

[@Rhapsolin]

Passion

[@shriyaraina1287]

My math teacher did this too and we all were like 'ooooooooOOOOOOOH'. He looked so proud of his skill it was so cute😂

[@jeremyletzgus3667]

When he said this is just the beginning I got chills

[@judahwilliams7029]

He’s utilizing the natural rebound of the chalk. Genius!

[@MikeBoucher]

I love how passionate this man is about explaining this

[@mcgrath811273]

I want to visit MIT just to get Lewin's autograph

[@holoqofholoqqia9503]

His signature. Full of dotted lines :D Calligraphy + Physics = Walter Lewin :D

[@Gorgun2010]

Zebra I bet it'll all be dotted lines

[@shadow-pq8jj]

He doesn't even hesitate to reveal his secrets👏 Legend knows these are just simple things😎

[@Elriuhilu]

My high school maths teacher used to do this in 1996. I watched him do it a few times and figured it out, then learnt how to do it.

[@xiao3109]

;listens to teacher, dont learn ;watches youtube, learn a lot.

[@R3DSH1FT196]

But you're literally watching a teacher though...

[@mashihodpotatoetm4572]

@@R3DSH1FT196 Correction, KZbin Amplified Teacher, it is one of the newly designed technologies that google has invented.

[@SussyBaka-fw8pg]

now i want a chalk and a blackboard...

[@malaysia727]

@LaughToMouth "if you wanna rape us, we'll rape you too" - no one.

[@treazify]

Hes so proud its wholesome

[@edmunda4128]

I learned more from this man than I have from all my teachers combined.

[@peerally2986]

Walter Lewin: "It's only a matter of practicing in a few hours..." Mike Boyd: * 6 minutes *

[@loganeasley4343]

1:22 my mans made the Assassin’s symbol lmao

[@shredderium5130]

Well im dead

[@gilbertcouto8537]

Refreshing to see the young really absorbing and listening to a Man with wisdom of the worlds surroundings

[@95JakX]

I’m a butcher and have been using this technique to make the tip of my scimitar steak knife jump along a cutting bench to punctuate “ and how thick would you like that sliced today” for years. I like this guy.

[@Dylan-le9zi]

I can’t believe this is amazing, I did this in first and second grade with free time with the chalk board, I can’t believe how impressed they sound.

[@rogsoll]

At MIT you don´t learn not to take videos vertical.

[@dq3666]

Not.

[@o.v4069]

You mean horizontal?

[@markussimmons2386]

At MIT you dont learn to not take videos vertically***

[@dq3666]

Not don't do not do it, tho.

[@BennyTygohome]

This is only the beginning? It's the most amazing thing I've ever seen! 😯😲

[@judy-9999]

This teacher is AWESOME! 😎😎 Thank you 🙏

[@mr.pikachu29o_o89]

The question is:'How draw dotted lines on paper?'

[@lilljacob]

No problems, it just takes a shit load of time...

[@Kodlaken]

You need to make sure the paper is held in place and on a flat surface, and then it should be very easy.

[@SurlyDame13]

or a white board

[@napoleonibonaparte7198]

Thyself Stfu. Go tf away.

[@sylun]

Thyself Mobile legend sucks.

[@bbqisfreshfromgod1316]

Secret: He has Parkinsons

[@spaghettijones1]

Sigh fi its a joke.

[@haroful]

simmerdown Its actually a prank

[@janshegers7667]

he does not.

[@Peter_1986]

Actually he doesn't, he has even confirmed this himself in a KZbin video. Try searching for "Walter Lewin Not Have Parkinson's Disease" or something like that and you will probably find it.

[@misteremann687]

Starving Kid From Antarctica XD

[@spionsilver9626]

it was never really a secret but .. to have it explained by the master professor himself ! great stuff !!

[@Humzakhan1166]

That must be a chill teacher

[@tonyjohnsen3160]

I feel like he is the type of teacher who feel like he has to explain everything about a subject in the smallest detail

[@super_pancakerifle2688]

"This.. is just the beginning" "Don't you agree, Jean Pierre Polnareff?"

[@hxd9321]

Tf does that mean

[@jessperson9750]

Never seen a college class for playing with chalk. This is incredible...

[@jackfrost9765]

That is MIT.. anything can happen there..

[@mondochild]

Mr. Linn. Did that a lot. Very smart man this mathematician was.

[@alisaen2128]

What about a white board

[@alissa7155]

lmao

[@Apollyion]

White board is for the weak

[@incrediblejed1170]

ali Saen my teacher can do that using whiteboard marker and i dont know how he can do that?.

[@SomeoneYouDontKnowOfficial]

ali Saen Wait, people still use physical boards to write on? Is it just me doing it in vr and tablets that can do dotted lines if you just turn on a setting?

[@user-po6hn9id1t]

ali Saen you need the board to have a high friction

[@bhaveshsingh113]

The same way my friends thought me to smoke a blunt... Exactly the same way he passed the chalk, it started.

[@tacticalant3841]

7 million views? Really? Notice how impressed the college students are, most educational thing they have seen this year.

[@vk4289]

Nobody : What does Walter Lewin teach in his lectures? Walter Lewin :

[@pissman2711]

Australia: on fire That's..... just..... the beginning.

[@raymondhmuifoo11]

2020 in a nutshell

[@poopeater6173]

I thought that was a while ago. This year has been long. Also, nice profile picture.

[@pissman2711]

@@poopeater6173 thanks you too

[@trixzplayzz6944]

Do you exist now?

[@imslothed]

I see the recommendations have brought us together again

[@bmjake]

You know a professor that uses sidewalk chalk is a boss.

[@pngaming6860]

How lucky are the students who got the chance to be the student of Walter sir❤️

[@AlexIsiv]

fuck those dotted lines, that board is smooth as fuck

[@nathanspurs8227]

On today’s episode of “why is this on my recommended”

[@karma_yogi_42]

I know right! Why the FUCK was i badgered to watch this shit

[@bhatkrishnakishor]

Sorry mate, but may be youtube wants to distract you from Tottenham disastrous season start 😊

[@destyxs]

white lives matter white guilt maybe youtube wants to give you some actual entertainment with your unfunny as profile name lmao as if

[@ericmatthews3780]

Oh man you got lucky! He's a legendary physics professor and pretty famous for his dotted lines.

[@jeremykim1236]

Coys

[@edwardquan]

This guy's an amazing teacher

[@PyroBlank]

I got this to work with marker and whiteboard. You can make your thumb skip over the whiteboard while holding the marker in a different set of fingers. Game changer when drawing vector diagrams

[@sunshine8338]

Anyone here from 2019 October because it is recommended by KZbin?

[@HerrFrodo]

SAME!

[@joelm7621]

Same..

[@hahahahaa5224]

Just got recommended to it Oct 11 2019

[@chronicnightmare.]

October 13, 2019

[@miguelmorbius2250]

Anyone here actually fucking cares

[@tria7271]

Nobody: KZbin: Wanna learn how to draw dotted lines quickly

[@legendsarena1216]

Pradeep Kshetrapal God Of Physics Do these very Easily

[@chrisb9143]

Learning this should be mandatory for every teacher

[@lamarhosey267]

I wish this man a beautiful future and life.

[@DesolateAura]

Smart boards: *I’m gonna end this mans whole career* Whiteboards: *hold my markers*

[@sanjeevsethi6330]

👎🏻👎🏻👎🏻👎🏻👎🏻👎🏻

[@godjihyoizmyreligion1501]

@@sanjeevsethi6330 Binod founded .

[@godjihyoizmyreligion1501]

@@sanjeevsethi6330 Binod.

[@mashihodpotatoetm4572]

@@godjihyoizmyreligion1501 OMG! I love your username! Where'd you get it??

[@godjihyoizmyreligion1501]

@@mashihodpotatoetm4572 I didn't got it anywhere I just made it on my own and in Twice Jihyo is called God so I instantly thought this name and I kept it and do you use INSTAGRAM because I also have a account there with the same username btw Jihyo is my bias and who's yours (ugh I've added so many 'Ands' in this reply) .☺☺☺☺😋😋and your profile name is also creative and I love it❤❤❤💖

[@FROPDESAI]

The only other thing I need to know is how CGP grey looks.

[@AuroraNora3]

He's a tree. It was revealed in a Numberphile video

[@vickykhan9632]

this man withh his services...he surely deserve a Nobel Prize

[@nilanjanabhattacharjee8266]

He makes you love physics.. I wish he was my teacher...but I watch his videos..so technically he is ❤️