Science in a Golden Age - Optics: The True Nature of Light
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- Опубликовано: 26 дек 2024
- Playing a vital role in our everyday lives, technologies based on light are in use all around us. From art and science to modern technology, the study of light - and how behaves and interacts with matter has intrigued scientists for over a century.
This year, 2015, marks the 1,000th anniversary of the Kitab al-Manazir (The Book of Optics), a seven-volume treatise written by the Iraqi scientist Ibn al-Haytham - a pioneering thinker who's views have been crucial to our understanding of how the universe came into existence.
Shaping our understanding of vision, optics and light, Ibn al-Haytham interrogated theories of light put forward by the Greeks - men like Plato and Euclid who argued that the way we see objects is by shining light out of our eyes onto them. Ibn al-Haytham argued instead, and correctly, that the way we see is by light entering our eyes from outside either reflecting off objects or directly from luminous bodies like candles or the sun.
His methodology of investigation, in which he combined theory and experiments, were also remarkable for their emphasis on proof and evidence.
In the first episode of Science in the Golden Age, theoretical physicist, Jim al-Khalili, looks at state-of-the-art applications of optics and traces the science of light back to the medieval Islamic world.
Al-Khalili recreates Ibn al-Haytham's famous 'camera obscura' experiment with stunning results and also uncovers the work of Ibn Sahl, a mathematician and physicist associated with the Abbasid court of Baghdad. According to a recently discovered manuscript, he correctly described "Snell's law of refraction" centuries before Dutch astronomer Willebrord Snellius was even born.
We also look at the work of Ibn Mu'adh, who brought together knowledge of optics and geometry in order to estimate the height of the atmosphere.
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Great program, hope this will inspire Muslims to get back of being the leaders in science again!
Keep it up Al Jazeera.
They would need 1400 years to catch up to our today's level.
@Akli I am looking. It is the opposite or you are just using sarcasm.
@Akli Same for islamic thievs.
@@George-iv1hi To catch up with Americans or Europeans? I bet it wouldnt take long to catch with the Europeans. They r a hot mess these days. Lol.
@@secrets.295 we did it when there was no Fondation for science then created the very Fondation for modern science.. Back in the days we had almost nothing and we did it within 300 year... what do you think we would do with current situation????
Ibn Sahal's law of refraction ❤. Yes please.
What a shame... how many brilliant minds have missed the opportunity to contribute to science because of the ego of primitive men in power.
+Naedyn Comment of the Century!
sooooooooooooooooo trueeeeeeeeee! !!!!!!!!!
Exacly
Just, I'm addicted to Jim al-Khalili's lectures and documentaries.
When I was young I saw some of what you see here now in reality, my mom used to tell us to sleep at noon in a room because its too sunny and hot outside and that is not good for health, the room had a window facing the street, so when we turn off the lights and put the curtains on the window, we could see the images of the people walking outside on the inner wall of our room but upside down and moving to the opposite direction, at that time I didn't know anything about science.
This deserves millions more views, sad it's onlyu at 31,000. Maybe AlJazeera can allow some people (me included) to dub this in other languages?
do you believe in the evil eye?
@@worfoz Do u believe in facts?
@@secrets.295 yes, facts and reality
not in lies of some child rapist
@@worfoz why are you in every Ibn al-Haytham video commenting nonsense, do you have nothing better to do? you're really pathetic
@@worfoz You’ve been fed rubbish all your life so naturally truth will heart.
its amazing ,I love your lectures and documentaries
Best documentary...
LOVE FROM BANGLADESH
That’s why Americans destroy Baghdad is the fear of the golden age will comeback again, but also to destroy any history related to golden age of Islam
What a quality content 🙂🙂🙂
beautiful video sir
i owe you for such a great work you are doing for science and humanity
We( Muslims) are very much aware that our golden age is behind,and that our civilization went to sleep the last few centuries but that's how the world works sometimes,we just relay the torch to the next person to lead humanity,and care for its existence. We all get a turn to be world leaders it just happens in different eras!! Also,when you're not in the lead, your society will start the decay( I.e DETROIT) and that's the normal cycle.
Our civilisation didn't "go to sleep", we were conquered through colonialism which devastated the entire world and then our territories were brutally cut up and deliberately made impoverished and our contributions deliberately obscured. Recognise history!
we didnt go to sleep or obsolete and even the conquer is not what make us fail, but is just only we move away from the teachings of islam and depend on the western world, period
@@muahmmadabubakaar2775 islam teaches evil eye, the notion that we cast some ether from our eyes, to scan and interact.
@@worfoz hmm you are not worth to talk to , because from your reply shows your real portrait ,......
@@muahmmadabubakaar2775 lol, this is how a muslim acts when he is defeated
so immature
try not to die in your rage, best person ever, the world cant exist without you, I know you feel that deep inside
Ibn al-Haytham Experiment was Mind Blowing, I was thinking It will be just light but It Created the view of Outside, Incredible.
Jim khalili is doing great work.
Thanks for sharing really informational
With help of Alllah Islam is torch bearer of Knowledge both day judgement and today but I agree some human can develop on that
Mankinds knowledge is a continuous river of re-discovery 👌
And islam is the dam.
You are a loser
@@ryanchris6658 I guess u r one of those people living in the forest and dont belive in knowledge
@@George-iv1hiyou wish
عن عظمة العرب و المسلمين ❤❤❤
thank you brother jim khalil
beautifully explained
Approximately 6:00 onwards reminded me of my first job in Swindon after Middlesex Polytechnic in London. Citec Meggit electronic components, we laser resistance trimmed electronic circuits , I went to a Chicago laser trimming course somewhere in Kent, the ESI (European ) laser was used for hybrid circuits.
WOW I can watch this in the U.S ! Let's see If I can watch the next video.
appreciate the invention whatever the man behind it respect it
Dave collins True.
Merci beaucoup Al Jazeera ! 🎉
Tnx to al Jazeera for this.. keep making more and more such documentaries...
It's a nice program. It inspirasions muslim to think about their past glory history.
Another amazing video
Best documentary
Excellent documentary!
Great programme for the motivation of muslim community
how can lies motivate people?
@@worfoz nice joke
i know u feels jelousy
Ibn al-Haytham, the great Arab scholar
He disproved islamic nonsense about the Evil Eye.
@@worfozIs it hurting you so much??
What's worse is the fire waiting for you after you die with that pain. 🎉🎉
So soothing
Baghdad history is a great history
Islamic goldan age
Great physician ever indeed thxs
Muy buen documental!
aljazeera n trt is our voice...west n non-muslim never talks about n recognise our achievement..they have their own vision about us.....
I like the optic experiment.nice to try especially for kid
WOW, mind blown!
Blowing
Thanks so much for posting,
You can also look at this :)
@ (Ibn Al Haytham (Alhazen) - A Great Scientist)
0:55 song ?
Beautiful.
Great schoolers
all thanks to AL JAZER net
I am a big fan of Uzbekistan : this land brought many Golden age Turkic scolars in to the world
@MHD 11 persians came from central asia uzbek ancient ancestors , tribes founded this land callled Turan you are all our generation
Jim Khalil is a brilliant physicist
Yes, but islam forces him to lie a bit.
@@worfoz to lie what?
@@abduljabbarmohammed4188 lie about this non-existing Golden Age of course.
read the comments: people who know science correct him, people who believe in islam repeat his lies about islamic greatness
pathetic
@@worfoz
Ok who is the father of algebra?
@@abduljabbarmohammed4188 Som Indian guy, according to persian non-muslim Muḥammad ibn Mūsā al-Khwārizmī.
but muhamedans like to claim everything, even the prophets in the bible
even OUR science
weird sect of kleptocrats
Great
amazing
this video is banned in US
I would like if the al jazeera official can add the english sub too.. jazakillahu khairan
إلـهـام
nice
Can we find the book of optics now?
yes, it proves that islamic belief in evil eye is a pagan lie
worfoz hoes mad
I would like if the official tv can add the english sub too, jazakillahu khairan
Father of optics is ibn-al-haitam.
He disproved islamic nonsense about the Evil Eye
@@worfoz jeoulus Kafir
@@worfozwhere😂😂😂
@@ionlyafraidofAllah In his work.
why that silly laughter? did I make you nervous?
@@worfozIs it hurting you so much??
What's worse is the fire waiting for you after you die with that pain. 🎉🎉
it's a shame the audio levels are lower than the RUclips norm..
the ads are way louder than the doco
When religion and state become two separate entities, countries will develop and flourish
Layla Beautiful. So, does this mean that Science and Mathematics be void of any metaphorical and linguistic tools of English and other scholarly languages - in order to make people understand the true point behind their works?
In Islam science and Islam r not two entities God says in the Qur'an to do research on his creation God emphasizes us to do research
I hope it will inspire all muslim.
Thank you
please turkish subtitle
Great Persian Scientist
@naruto and jojo fans are cringe He was from Buyid dynasty, therefore he was Iranian, by the way Iraq is 150 years old at most, before it there wasn't a land with the name of Iraq. It was always a part of Iran until Ottoman took there and then England took over there and called there Iraq.
@naruto and jojo fans are cringe Yes, you may be an Arab from Iraq, but most Iraqis are not Arabs and have become Arabic speakers. Genetically, they are a mixture of Sami, Iranian and Arabic. If you search RUclips, you will find videos that prove that many Iraqis have Iranian genes.
As I wrote before, Ibn Haytham lived during the time of Buyid dynasty and not during the time of the Abbasid, they were expelled from Iran in 850 AD, and Haytham was born in 965 AD. Maybe its time you search for truth and knowledge and don't listen to pan Arabs, I hope you are not one of them.
@@trinitysaluta6314 muhamedans are racists
and they have an arabic tribal god
@@trinitysaluta6314 Iraqis Have not Persian Genes
Mesopotami is way more older than Persia
and ibn al haytham was arab
stol stealing history fool
@@worfozIs it hurting you so much??
What's worse is the fire waiting for you after you die with that pain. 🎉🎉
Ironically, the West systematically downplays the achievements of this period, but the East has erased it completely out of memory.
achievements?
ابو علی حسن بن حسن بن الھیثم بصری. یکم جولائی 965 ع بمطابق 354 ھجری کو بصرہ میں پیدا ہوئے.
اس عظیم سائنسدان کے نام سے ایک ستارے کو بھی موسوم کیا گیا ہے. جس کا نمبر 59239ہے اسے الہازن کہا جاتا ہے.
ابن الہیثم نے طبعیات، طب اور انجینئرنگ میں عظیم الشان کارنامے انجام دیے.
سب سے پہلے اور درست نظریہ بصارت پیش کیا انسانی آنکھ کی تشریح پیش کی جو آج تک کی گئی تحقیق کے مطابق درست ہے. مصر میں دریائے نیل پر بند باندھنے کا منصوبہ پیش کیا مصر کے فاطمی بادشاہ کی دعوت پر جب مصر پہنچے اور دریائے نیل کا مشاہدہ کیا تو اس نتیجے پر پہنچے کہ یہ بند باندھنا ممکن نہیں انکار پر انہیں دس سال تک قید میں ڈال دیا گیا. ابن الہیثم نے اپنی زندگی بچانے کے لیے پاگل پن کا ڈرامہ رچایا جس کی وجہ سے انہیں قتل کرنے کے بجائے قید کی سزا دی گئی. البتہ جس جگہ الہیثم نے بند باندھنے کا منصوبہ پیش کیا تھا آج وہاں مصر کا سب سے بڑا ڈیم اسوان تعمیر کیا گیا ہے. ابن الہیثم نے دنیا کا سب سے پہلا کیمرا ایجاد کیا جسے پن ہول یا سوئی چھید کیمرا کہا جاتا ہے. آج بھی دنیا کا ہر کیمرہ اسی اصول پر کام کرتا ہے جو ابن الہیثم نے بتایا تھا.ابن الہیثم نے اپنے تجربات اور مشاہدات و تحقیق کو کئی کتابوں میں درج کیا ہے. ان کی سب سے مشہور کتاب *کتاب المناظر * ہے جو بصریات کے موضوع پر دنیا کی اولین کتاب ہے.
I think that light not only takes the shortest path but also an optically rarer medium over an optically denser medium😕
why this video cant be download??? plz tell me i need this video
1600th like
Please dub this program is other languages and republished youtube and other social media platforms.
The Muslim scientists and innovators have practically laid out the ground to the Industrial Revolution and the present Artifact Intelligence.
The algorithm you are utilizing now is named after it’s Muslim inventor Muhammad ibn Musa al-Khowarizmi about 733 AD الخوارزمي
Euclid algorithm left the chat 😂😂😂
@@mauryanempire7503 😊
Hindutva; “We invented everything”
- Me: Actually my source is Pride Of India Homepage!
😍
its simle they learned from us and labelled there names
also we didnt felt to do anything further in science
no one ever learned anything from you
even the nonsense in your quran is stolen, my friend
don+t be so ignorant and arrogant, you fail because of that
worfoz lmao ur so jealous of islam that ur commenting on any comment that is praising it
Can someone explain to me how chemical propulsion works in a vacuum
Newton's action reaction law.
@@worfozIs it hurting you so much??
What's worse is the fire waiting for you after you die with that pain. 🎉🎉
Tell me how and when the dark age started in ur world.
My serious doubt :
Anyone can do the experiment, tests, observations who is doing 5 times of pray in day, dikr, swalath, thasbeeh, thahleel...😃😃😃
I am a big fun to I have all his DVD and the Islamic science
Thank You.History was whitewashed.Brilliant, such genious.Why I didnt know this???Imagine him meeting Tesla and Newton and Einstein...why these geniouses come isolated?
why are you a racist?
because of your beliefs?
Why do you talk about Islamic scientists but not call Newton as christian scientist? Science is science, please don't label it with religion!
And why should it be an issue. People regularly cited Newton as European scientusts, European enlightenment, European renaissance. Whatever. The middle east back then doesnt consider themselves as a continent. They consider themselves as an Islamic superstate. So whenever people mentioned European enlightenment it makes no different than an Islamic Golden Age. There is no contradiction. The world consider the western scientists as a cluster of EUROPEAN SCIENTISTS and they consider middle east scientists as ISLAMIC SCIENTISTS. It shouldnt matter.
not necessarily. They are called muslim scientists because they were encouraged primarily by Islam to seek knowledge.
Because Islam encouraged them to seek knowledge .
And also they were proud of their religion because who wouldnt be when their God , their religion was the one that encouraged these people to read
And please stop with those but but
If you want to call newton christian scientist call him 👍
I born in Basra/Iraq
Nobody's perfect.
@@George-iv1hi yes you too
@@ahmedislam2580No, I am your allah.
@@George-iv1hi you are just a idiot
@@ahmedislam2580I agree - allah is an idiot. Now leave his stupid cult for morons.
Türkler likeeee
Blessed Duns Scotus thought there were no labor pains. Jesus was a child of light who arose from the Virgin Mary, like light through a stained glass window. The Virgin Mary was a Virgin before she became pregnant. The Virgin Mary was a Virgin when she was pregnant. And the Virgin Mary was still a Virgin after she PAINLESSLY gave birth to Christ. As Einstein said, this is not philosophy. This is physics. Al Khwearizmi, the Father of Algebra, spoke great things regarding the Optics of the Divine Light in the Virgin Mary❤️🙏
When the arabs were secular
Not exactly .. they were so religious and spiritual .. at that time existed many Islamic poets and religious scholars that do not exist now ... Even the father of sociology and economic " ibn khaldoun " spoke about the importance of religion for middle east..
@AL KHWARAZMI no harm .. now with the net we can learn
When arabs were rule by islamic sharia , now we are ruled by stupid secular goverments
JAJ MUSLIM JAJ
sciencE was and iS stoleN
This is completely overblown nonsense and propaganda.
how so?
Is it hurting you so much??
What's worse is the fire waiting for you after you die with that pain. 🎉🎉