How Did We Figure Out What Light Is?

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Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we learn light’s true nature, as the fastest thing in the universe, an electromagnetic spectrum, a wave and particle capable of the most amazing things? Here is the history of light, according to physics.
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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
Writer: Matt Caplan
Producer/editor/animator: Andrew Matthews
Producer: Stephanie Noone and Amanda Fox
Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock www.shutterstock.com

Опубликовано:

20 мар 2017

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Комментарии : 894

@besmart 7 лет назад

ØØØØØØØØØØØPS! I accidentally called Ole Rømer Dutch. He is Danish. Very sorry for the error!

@donnarafiki7252 7 лет назад

It's Okay To Be Smart damnit I thought we finally achieved something in Holland... ah, well, we still invented the microscope, thats something

@zeeotter100 7 лет назад

iPhil dutch > danish is the difference

@lizziecastricum4382 7 лет назад

+iPhil Careful there!

@seameus91 7 лет назад

Im dutch, but i dont mind the mistake. Danish people are awesome!

@lizziecastricum4382 7 лет назад

+Seameus True.....

@mirtul1 7 лет назад

Science: "Is it a particle or a wave?" Quantum Theory: "Yes."

@1415J 5 лет назад

My girlfriend should be named Quantum Theory.

@nicholasc3905 5 лет назад

😂

@robertt9342 5 лет назад

Junaid . Is it because she exists to you but to no one else?

@heavyhoved 5 лет назад

And according to Quantum Field Theory, waves, UNTIL one measures the field, THEN you see a particle.

@TosiakiS 4 года назад

@@heavyhoved Humans are not part of quantum theory, therefore measurement is not part of quantum field theory either. The only part that exists is waves.

@besmart 7 лет назад

This week's video is a little light history lesson. Hope it brightens your day!

@anneliseprince 7 лет назад

It's Okay To Be Smart that pun. 😂

@ishaankhuranagoc1518 7 лет назад

sir can the next video be on physics

@ClydeStorm43 7 лет назад

It's Okay To Be Smart HAHAHAHAHHAHAHAHAHAHAZHZHZHAHZHAH

@happinesstowar9717 7 лет назад

Because of light, I will have 20/20 vision in three years.

@mauriciovaldez4270 7 лет назад

DO WHAT WOULD HAPPEN IF THE ASTROID BELT CRASHED AND BECAME A PLANET EDIT: PLEASE

@GD15555 7 лет назад

i am walking on a flat Earth shining light out of my eyeballs.

@deathhawk7114 7 лет назад

The flat Earth society is located all around the globe.

@spairus4492 7 лет назад

Both comments are gold.

@scishowfan2.050 7 лет назад

Spairus you scared me i thought i commented that and was the most confused in my life for like 1 picosecond

@spairus4492 7 лет назад

lol there's also another top comment with our profile pic

@zebmie9719 6 лет назад

Yea... NO

@aaronseet2738 5 лет назад

"Our eyes shot out light." And then the Sun sets.....

@somratkhan8688 3 года назад

@Andrew Friend What if sun is like a magnifier to enhance your vision? People see some stuff in the dark but not as much.

@phoneix24886 3 года назад

Sun : The eye is a deady lazer!

@prajnepal 7 лет назад

Teacher caught me watching this at school, he was like "NICE!"

@stralax57 4 года назад

They should show this instead of those boring videos that no one actually watches.

@majsalvador5fw145 4 года назад

@@stralax57 ikr

@brickyy3106 3 года назад

Lol

@dustinejake9657 3 года назад

Noice

@insertname4337 3 года назад

@@stralax57 most of those boring videos are too boring to teach me anything

@HritwRaje 7 лет назад

I love how the minute details are introduced so subtly! For instance, the different 'glowing idea lights' on each person were according to their time! Loved it! :)

@ETG168 7 лет назад

one could say this episode was ... LIT

@brodindamp 6 лет назад

It's OK to be Bright (bright is synonymous to smart)

@agrammarnazi41 6 лет назад

Paulus Kivelä Please stop.

@oreoolga5393 6 лет назад

It's so bad it's good

@putri7659 6 лет назад

*baa dum tss*

@symphonielee7478 5 лет назад

OHHH MY GOSH UR AMAZING

@jerm3443 7 лет назад

Can we get an "I did a science" shirt?

@lollylemur5041 4 года назад

I thought there already was one

@marceltelang7825 4 года назад

there is

@lessonslearned6760 3 года назад

I think you have to do a science first.

@ariosnexo-1.081 3 года назад

@@lessonslearned6760 understandable

@Psy0psAgent 2 года назад

@@lessonslearned6760 the ‘science of retail purchases’.

@TheTexas1994 7 лет назад

This video was very enLIGHTening! I'm sorry

@proud-mom 5 лет назад

No you’re not

@MGSLurmey 5 лет назад

You should be.

@benjaminhawkins5805 3 года назад

You should "see" yourself out!

@idontunderstandjokes8650 3 года назад

I don't feel enlightened, I think you're stupid.

@starspawn507 7 лет назад

"Is light a wave or a particle?" Yes.

@gauravproton1956 5 лет назад

both

@ViratKohli-jj3wj 5 лет назад

@@gauravproton1956 r/woooooosh

@Dallas-eu5nz Год назад

it's absolutely incredible.. we wouldn't have any of our technology today without these discoveries with light..

@masterofktulu 5 лет назад

Yeah well, I know I am late to the party...but wow! Having the entire history explained to me in a 6 minute window rather than over the period of four grades--was really helpful and I loved it.

@johnsmith-eo3nz 5 лет назад

We discovered it because some dude was board and said "Let there be light!"

@Nico-dt5hu 5 лет назад

Random Stuff Genius

@n_d_cisive 3 года назад

An atheist gonna be angry

@bestgun9994 3 года назад

@@n_d_cisive I think he's making fun of creationists

@thevoicestoldmetoagain4627 3 года назад

Bored*

@seahawk124 7 лет назад

I've been a subscriber for a while, and I think this is one of most well-presented videos you have done to date.

@Mitch_Rogoff 3 года назад

0:18 Greeks figured out ray tracing 3000 years early

@eaterdrinker000 7 лет назад

This has to be one of the most enLIGHTening episodes of IOKTBS. I really mean that; the video deals with a subject and matter that most of us deal with every day, and it deals with the topic in the most basically understandable way possible. Kudos to you, Dr. Hanson. Keep on keepin' on!

@maestroh2986 7 лет назад

Thanks for the great video. I love how the 'idea' light bulb over each scientist's head is a light-source that was used at the time.

@maitrayeebhuyan715 5 лет назад

I was always inquisitive about what was light and what developments actually led to the electromagnetic spectrum.Thank you so much.This was wonderful.

@hussainbiology 7 лет назад

Your session answers Tons of Questions.......Thanks

@NightWitch1630 7 лет назад

so next u gonna tell us how this led to quantum theory? and the history of it

@medicmo 7 лет назад

Daggeress yeeeeeeeesssss

@fran6b 7 лет назад

This was a very well told story. I knew (approximately) all of its parts but it's the first time I see someone put all of them together like It's Okay To Be Smart did here. It definitively add something to my comprehension of what light is.

@MrThonny15 7 лет назад

It's a common mistake among non-europeans but Ole Rømer was Danish not Dutch. As a Dane I feel compelled to point that out.

@besmart 7 лет назад

+Christoffer Vincent Thon Dang. To all Danes, please accept my apologies for that error. Copenhagen is one of my favorite cities ever. Danish people are wonderful. I owe you all one.

@MrThonny15 7 лет назад

@littleboylost1o1 7 лет назад

@NickFisherman 7 лет назад

"Common mistake" is a bit of a stretch. I've never heard of him.

@Orthagoni 6 лет назад

Im neither Danish nor Dutch, but I still feel you owe me one.

@GuidoPerdomo 7 лет назад

this is my favorite video in this channel so far!! absolutely amazing

@menglongyouk167 7 лет назад

4:55 I think Max Planck had an idea that light travels in quanta at least 15 years earlier than 1918.

@supermasteryi9928 6 лет назад

Misa: i would never dream living a world without light L: yes that would be dark XD

@tazztazztazz0855 3 года назад

shut up fcking weeb

@homieridvanboss2112 3 года назад

well thats toxic

@thevoicestoldmetoagain4627 3 года назад

Just reading that, i can see that scene playing out. Awesome show.

@ryanyes2325 3 года назад

@@tazztazztazz0855 bruh, you have a profile pic of Futaba (an anime character) smh

@ArticBlueFox96 7 лет назад

I really like the frames/clip starting at 5:11 because I feel it helps to visualize particle-wave duality.

@abelsanchez8804 6 лет назад

I wish theses videos would be use in classrooms... so much info in little time! Love it!

@JakeMiller2020 7 лет назад

Really awesome production quality. I would love more videos just like this one.

@besmart 7 лет назад

Thank you! We always try to make every video better, hope we can keep moving the bar up

@oniricPrj 7 лет назад

TRULY AWESOME EPISODE. kudos to the animation department too!!!

@TheyCalledMeT 7 лет назад

realy well done! loved the animations very well moderated, spoken in a exciting way (and not overblown) can't wait for #2 BTW. what about merch or winning stuff while living outside of the US ? (Europe)

@gigglysamentz2021 7 лет назад

Haaa ! This is so amazing ! I love to hear about all this scientific breakthroughs, achieved in ways I hadn't thought about :'D

@sivachevuri2345 7 лет назад

hes one of d best....though i learnt dis already in my high school... i realized many things and even understood connection between many chapters and people!!

@dancbj-animatedreviews5253 6 лет назад

Great video! So much information in such a short period of time and yet so clear! Thanks!

@josephelston4101 7 лет назад

Great video mate, gonna use this in my physics lesson today :)

@stoner4311 7 лет назад

I really enjoyed this history of science video, can you do more of these please? I used to have a history of math book and it was great.

@Bibibosh 7 лет назад

THIS VIDEO HAS BEEN THE MOST INTENCE VID SO FAR! I had to rewind it x3 TIMES!!!!! And I love this science stuff!!!!!

@kaushikdas47 5 лет назад

I absolutely loved it. I love how how anchor it very much. Love the videos.

@ArlekinVergeltungswaffe 7 лет назад

7 minutes video by "It's Okay To be Smart = 7 years of education in my country. I love this channel.

@feynstein1004 7 лет назад

Your profile picture is deeply disturbing.

@ArlekinVergeltungswaffe 7 лет назад

Yeah, I know. They took my that one after my surgery. But I look much better now

@varunkrishna930 7 лет назад

out of the all your videos this one is my favourite the language used & the way it was presented is easily understandable a big thumbs up for you my dear bro

@matu.ayrton 2 года назад

best video i saw till now about the topic thanks for making it so succinctly!

@AlexYurian 7 лет назад

Awesome video! Loved the animations and little details.

@rousseld.nzoyem8105 5 лет назад

YOU ARE THE BEST SCIENCE COMMUNICATOR EVER !! There should be an award that you would win ... Thanks for making these videos !!!

@TJ-wc3iq 7 лет назад

One of the best episodes. Thank you.

@saahilshihaz5096 7 лет назад

Good timing! I'm doing exactly this in my physics classes at college

@gabo12e30 7 лет назад

dude! I love your videos! thanks for doing them!

@sogerc1 7 лет назад

5:20 you've gotta love the animations on this channel. And the stupid jokes too :D

@rajanrao 4 года назад

5:24 Next level satisfying

@sciencenerd8879 7 лет назад

You almost made the quantum chemistry I learned actually interesting. Nice graphics btw.

@nathanieljames9424 7 лет назад

WOW I "ACCIDENTALLY" FOUND THIS.....I LOVE LOVE THIS. THIS IS FANTASTIC!!

@potawatomi100 Год назад

Outstanding video and superbly well narrated.

@trex9907 7 лет назад

wow the best explanation of the electromagnetic spectrum.

@potawatomi100 5 лет назад

You’re the best. Very good video, intelligent, entertaining, interesting and great delivery.

@hsk5234 7 лет назад

at least ancient Greece had X Men.........

@iqraanjum2746 4 года назад

Wooow...thank you for explaining it the best possible way👍👍

@Ly-lg5he 7 лет назад

I love its animation as well as its concept. Keep it up bro.

@Gothead420 7 лет назад

That was fun to watch! And informative!

@itsnotyasir 5 лет назад

Just taking out the time to appreciate the amazing animation 😍

@woww-cr9ct 7 лет назад

5:27 best part of the video...

@gurjeetkaur2973 7 лет назад

This was most illuminating!

@grainfrizz 7 лет назад

hey Joe. really good content in this one. congrats. wish you all the best.

@diegofernandez4789 5 лет назад

Man, love your videos!

@addymac6145 6 лет назад

Light and sound waves are one of my favorite things to learn about.

@Bibibosh 7 лет назад

This has been the most epic video so far!

@KonradofKrakow 7 лет назад

Great video! I love the animations!

@joffreybluthe7906 7 лет назад

Just to point out something about Max Planck, he actually presented his idea about quanta of light in 1900 but he did get the Nobel prize in 1918. I'm sure that's what you meant by "1928" on the timescale but still wanted to clarify that ! Great episode btw

@ryteshghotane6214 4 года назад

You guys should do more videos on how did we figure out on other inventions and their history(TIMELINE). Great video, hope to see more similar videos. Vaccines Periodic table Aeroplane Radio X ray Steam engine Car Refrigerator Electricity Television Antibiotics Ship Rocket Compass Agriculture Mathematics Computers Telecommunications Etc etc.

@Winterseeker 7 лет назад

Amazing video and visuals!

@tvremote9394 7 лет назад

I must say, This video was pretty illuminating!

@cnacma 7 лет назад

These are incredibly well done videos...

@malayagr 5 лет назад

This got me so excited for some reason.

@LeTtRrZ 7 лет назад

Great episode. Well researched.

@ElPrincipeMilenario 7 лет назад

best video ever! cool animation, nice voice 😘, and an interesting topic. keep working this hard

@legendaryone696 6 лет назад

This video gave me goosebumps

@BertGrink 6 лет назад

Today I Learned something new! :D I didn't know that the ancient Greks thought we had flashlights inside our eyes. ;)

@vinuvinu3530 7 лет назад

super job this vedio actually helped me a lot in understanding my post graduation lesson thank you Mr. Jo 4 this vedio

@zeromailss 7 лет назад

Beautiful more like this please!

@76digno 2 месяца назад

Thank you for educating me

@amirbahalegharn365 5 лет назад

one of the best episode, after the 12 days of evolution. thanks for the best videos you provide which is great tools to help teens&kids understand the beginning to the end(of current knowledge/vision)

@gregwiens9146 7 лет назад

You're enlightened me!

@chetanv1298 6 лет назад

Wow brilliantly explained 👌

@ranbirkaur1078 6 лет назад

Great episode!

@Savvy07 2 года назад

loved your animation

@Lazarosaliths 7 лет назад

awesome video as always!!!! :-D

@lalmalsawmachhangte620 6 лет назад

I can not comment every video,but every episode is amazing...Thank you. From junior scientist

@yashx26 7 лет назад

First Unbox Therapy then Matthew Santoro then Discovery then you in just 10mins WOW!!!!!!

@IlicSorrentino 7 лет назад

Great video, one of your best videos.

@besmart 7 лет назад

Thanks! I can't pick a favorite but you are certainly allowed to

@davidmedina8136 6 лет назад

Really good episode.

@akahassan2527 3 года назад

Very very interesting video!

7 лет назад

love this channel

@namraizhar5844 7 лет назад

Very infomative

@NoWarInBaSingSe 3 года назад

Particle duality- light is particle and wave

@yashjagani3914 7 лет назад

Hello , your videos are awesome man, how are you so Regular with your videos please give some tips :)

@shreshtha786 7 лет назад

Well this is an enlightening video

@njsrandoms3404 7 лет назад

wow I have a science exam and I have a lesson on light reflection and refraction

@mika1998125 7 лет назад

one of the few times i ever remember advertising working on my i am so close to going to curiosity stream but uni is a pain

@stefannikola 7 лет назад

This video is your best one ever!

@niamhoconnor8986 7 лет назад

I want a time-machine so that I can travel back in time, meet an ancient Greek and ask him why people can't see anything during cloudy nights without having candles in their proximity...