Nuclear Reactor - Understanding how it works | Physics Elearnin video


Nuclear reactors are the modern day devices extensively used for power generation as the traditional fossil fuels, like coal, are at the breach of extinction. A nuclear reactor is the source of intense heat which is in turn used for generation of power in nuclear power station. Its mechanism is similar to that of a furnace in a steam generator; the steam is used to drive the turbines of the electric generator system.
A nuclear reactor consists of three crucial components: Fuel elements, moderator and control rods.
Fuel elements come usually in the shape of thin rods of about 1cm in diameter and contain fissionable nuclei, like Uranium (235 92U or 238 92U). These rods vary in number according to the size of the reactor, in large power reactor thousands of fuel elements are placed close to each other. This region where these fuel elements are placed is called the reactor core. These fuel elements are normally immersed in water which acts as a moderator.
The objective of a moderator is to slow down the energy neutrons in a nuclear reactor which are produced during the nuclear fission process by the fuel elements. Thermal neutrons, which are neutrons with energy of about 0.04 electron volts, are capable of producing fission reaction with 235 92U. During the fission reaction process, new neutrons are given out which have energies of about 1 MeV. These neutrons of typically escape from participating in another fission process as they are accompanied by enormous energy release. In f -ct, the probability of these neutrons produce another fission reaction is 500 times less than as compared to that of a thermal neutron. This is where moderator is extremely useful. Moderator has the capability to slow down, or in other words moderate, the speed of these high-energy neutrons, so that they can in turn be used for a chain reaction to trigger multiple fission reactions of other 235 92U nucleus.
Commonly, ordinary or heavy water is used as moderator in nuclear reactors because of the deuterons present in them which are capable of slowing the neutron speed. Water molecules in the moderator are useful in slowing down the high-energy neutrons which leave the fuel-element after nuclear fission. These high-energy neutrons collide with water molecules thereby losing out on some energy with every collision and therefore slow down substantially. A new fission reaction can now be triggered using this slow neutron by striking it with the fuel element.
The third and of the most prominent part of a nuclear reactor are the control rods. In order to get a steady output of energy from the nuclear reactor, every single nuclear fission reaction should trigger another fission reaction and ensure the availability of a spare neutron released to trigger the chain reaction. By controlling the number of spare neutrons available at any given time, the rate of the nuclear fission chain reaction can be controlled. This control on the fission reaction can be maintained using the control rods.
The main function of the control rods is to absorb any excess or spare neutron in the moderator in order to prevent any further fission reaction. Usually such control rods are made of Boron or Cadmium. To increase the rate of fission reactions, these rods can be removed from the moderator. A steady output of energy can be thus maintained by inserting or removing the control rods in the nuclear reactor.
Now that we know the components of a nuclear reactor, let us understand the working of a nuclear reactor. It is usually enclosed in a shield made of thick concrete walls. It consists of a reactor core, pump and heat exchanger. The reactor core and pump are in placed in contact with the water, which is usually the heat exchanger used in reactors. Due to the enormous amount of heat released dusing nuclear fission reaction, this surrounding water gets heated up and changes to steam, which is in turn used to turn the turbines. Thus huge heat energy gets converted into electrical energy. Water is continuously flown in and out of the nuclear reactor using the pump.
Thus a nuclear reactor successfully generates nuclear energy from fission reaction.

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What are you waiting for? We’re going to look at some of the top 5 most shocking optical illusions.
They are amazing!

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Hello Happy friends!
Are you ready to learn?

I’m Sarah, and today, we’re going to talk about our sight and optical illusions.

Do you know what an optical illusion is?
Human beings, are visual beings. That means, that we identify almost anything with our sight, It’s our most important sense.

The light entering our eyes, goes directly to our brain, through electrical signals, and this is where they are transformed into real images, which is what we really see.

Although, at times, our brain can trick us!
It make us see things, that aren’t really what we think they look like, and these are, optical illusions.

Today. We’re going to look at some of the top 5 most shocking optical illusions.
They are amazing!

Look at this image!
Do you think that the horizontal lines are straight and parallel to each other?
I don’t think so!
I think there’s even some that are curved!

But, if we get rid of the black squares…
We can verify that they are completely straight and parallel to each other.
It’s honestly mind-blowing!

Let’s take a look at the second optical illusion.
Which one of the middle circles do you think is bigger?
Mmm… I think its the left one.
But… They are exactly the same!

It’s incredible!
Let’s see the next one!
Look at this image.
What animal can you see here?
If you’ve seen a duck, you’re right!
But you could have also seen, a jumping rabbit! Look!

And now, look at this image
What does the square look like?
Is it like this? Or like this?
I’m sure it’s the curved one!
Let’s make sure!
Hmm… It’s actually not… Let’s see…
It’s the straight lined one! We’ve been tricked by our brains once again!

And now, to finish off, we’re going to see my favorite optical illusion.
How many animals can you see?
I can see an elephant, a horse, a dog, a cat, and a mouse!
Can you see any more?
Hmmm… Wait! I see a gorilla!

I love optical illusions! I find them so much fun!

Goodbye happy friends! See you next time!

I hope you’re always ready to learn!

Goodbye!

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🧍‍♂️✨ Who am I? This is one of the most important questions we all ask ourselves. In this educational video for kids, children will learn the importance of self-knowledge: discovering their emotions, interests, strengths, and how they relate to others.

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🤴🏰 HISTORY for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
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India is advancing a sovereign artificial intelligence push to build models tailored to its linguistic and administrative needs. Bengaluru-based Sarvam AI has launched two tools: Sarvam Vision, an optical character recognition system designed to read complex paper records and scanned documents, and Bulbul, a text-to-speech model supporting more than 35 voices across 11 Indian languages, with expansion planned. Sarvam says its OCR model scored 84.3% accuracy on one benchmark, outperforming Google’s Gemini on that specific test. The initiative is part of a wider national strategy backed by government funding, with other Indian firms developing AI tools across sectors. Officials say the programme aims to reduce reliance on foreign systems. Palki Sharma tells you more.

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Learn how compression and tension create mountains and mid-ocean ridges and trenches.
Compression is stress that squeezes an object.
Tension stretches an object.

Starring: Christie Wykes as Chlorine, Carbon, and Sodium
Director of Photography: Sean McCallum
Gravity (John Mayer Cover) http://www.youtube.com/watch?v=u7KpH9_I2Dw
I'm Atoms (Jason Mraz Cover) http://www.youtube.com/watch?v=DBjZz0iQrzI
Electricity (Jet Cover) http://www.youtube.com/watch?v=cY-kiddvAg0
Experiments A Cappella http://www.youtube.com/watch?v=lRbI_vPyOnc

This robot has applications to archaeology, space exploration, and search and rescue — with a simple elegant design inspired by a plant. Sign up to Morning Brew for free today: https://ve42.co/mb

Make your own Vine Robot! — https://www.vinerobots.org
Special thanks to A/Prof. Elliot Hawkes, Nicholas Naclerio, Margaret Coad, David Haggerty for appearing in this video and showing off your amazing robots. For more info on vine (and other types of) robots check out https://ve42.co/HawkesLab, and https://ve42.co/CHARM

Research at UCSB supported in part by the National Science Foundation grant 1944816, by an Early Career Faculty grant from NASA’s Space Technology Research Grants Program, and by the Packard Foundation.

B-roll footage of robots from the supplementary materials of (Hawkes et al., 2017) https://ve42.co/VineVideos, and from Stanford University https://ve42.co/StanfordVideo

Additional info on the intubation vine robot here: https://www.wardenchem.com/vine

References: Hawkes, E. W., Blumenschein, L. H., Greer, J. D., & Okamura, A. M. (2017). A soft robot that navigates its environment through growth. Science Robotics, 2(8). — https://ve42.co/Hawkes2017

N. D. Naclerio, A. Karsai, M. Murray-Cooper, Y. Ozkan-Aydin, E. Aydin, D. I. Goldman, E. W. Hawkes, Controlling subterranean forces enables a fast, steerable, burrowing soft robot. Sci. Robot. 6, eabe2922 (2021).
https://robotics.sciencemag.or....g/content/6/55/eabe2

Coad, M. M., Blumenschein, L. H., Cutler, S., Zepeda, J. A. R., Naclerio, N. D., El-Hussieny, H., ... & Okamura, A. M. (2019). Vine robots: Design, teleoperation, and deployment for navigation and exploration. IEEE Robotics & Automation Magazine, 27(3), 120-132. — https://ve42.co/Coad2019

Blumenschein, L. H., Coad, M. M., Haggerty, D. A., Okamura, A. M., & Hawkes, E. W. (2020). Design, modeling, control, and application of everting vine robots. Frontiers in Robotics and AI, 7. — https://ve42.co/Blumenschein2020

Haggerty, D. A., Naclerio, N. D., & Hawkes, E. W. (2019, November). Characterizing environmental interactions for soft growing robots. In 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (pp. 3335-3342). IEEE. — https://ve42.co/Haggerty2019

Naclerio, N. D., Hubicki, C. M., Aydin, Y. O., Goldman, D. I., & Hawkes, E. W. (2018, October). Soft robotic burrowing device with tip-extension and granular fluidization. In 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (pp. 5918-5923). IEEE. — https://ve42.co/Naclerio19

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Edited by Trenton Oliver
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Optimistic Nihilism

With this year's A-levels results to be released this week, Sky News has taken a look into the impact Artificial Intelligence could have on the future of education.

With two thirds of teachers saying they believe students regularly hand in work written by AI, educators are urgently calling for AI regulation to prevent chatbots from cheating the system.

Sky's Becky Johnson reports.

Read more: https://news.sky.com/story/ai-....increasingly-used-by

#artificialintelligence #aiineducation #skynews

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Young minds possess immense potential for scientific-humanitarian progress, waiting to be unlocked by the right teaching methodologies. AI catalyzes this progress - it marks a paradigm shift in the way our youth will work, innovate, and solve millions of critical societal problems. Yet, an acute dichotomy exists – the generation that can best use these tools to drive solutions also understand them the least. This talk presents the AI education dilemma – the missing pillar that, if established, can skyrocket AI-driven impact. Lessons from ISEF, building AI educational tools with Dr. Touretsky of Carnegie Mellon University, and developing curriculum handbooks with ReadyAI are compiled to reveal the solution: unifying foundational principles and intuition-driven tinkering. I'm an aspiring deep learning researcher working towards mastery both in the field and beyond. My mission is to leverage artificial intelligence to create a tangible impact on difficult, real-world problems. I'm currently building better knowledge distillation methods to expand neural network reach in low-compute settings for those who need it most - accelerating ML impact on critical real-world problems in the 21st century, in addition to working on building AI education tools and guidebooks for students and educators. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

Aprenda como integrar o NotebookLM com o Google Gemini para criar slides profissionais e automáticos, sem alucinações! 🚀 O Prof. João Ernani mostra o passo a passo para transformar apostilas em apresentações incríveis com o auxílio do Canva. Assista ao vídeo completo, inscreva-se no canal oficial do Prof. João Ernani e ative o sininho! 🔔📌

✅ Curso Gravou Tá Pronto - https://joaoernani.com/landing..../cursos/gravou-ta-pr
➡️ Aqui está o Prompt Gratuito: https://joaoernani.com/landing..../gratuito/prompt-sli

#NotebookLM #GoogleGemini #SlidesComIA #Produtividade #ProfJoaoErnani #IAnaEducação #CanvaIA

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Se esse conteúdo te ajudou, curta o vídeo, se inscreva no canal e ative o sininho para não perder os próximos!

Capítulos do Vídeo
00:00 Como integrar NotebookLM e Gemini para slides
01:21 Configurando seu primeiro Notebook e fontes
02:15 Importando apostilas do Google Drive
04:12 Prompt estratégico para roteiro de slides
06:20 Integrando Gemini com a extensão do Canva
08:58 Exportando e editando sua apresentação
09:40 Dica de ouro: Notas do Orador automáticas
11:03 Presente especial e Curso Gravou Tá Pronto

Pre-order our book YOU ARE AN ARTIST (which includes new assignments!) here: http://bit.ly/2kplj2h

This week we meet Pablo Helguera, an artist, museum educator, and writer, at the Indianapolis stop of his Spanish language bookstore Librería Donceles. His assignment challenges you to give old books new lives through combinatory play.

INSTRUCTIONS - Combinatory Play
1. Bring together a small group of collaborators
2. Each collaborator will pick a play
3. Read the plays together, exchanging lines
4. Upload it using #theartassignment

Learn more about Pablo's work: http://www.pablohelguera.net/

Find out more about The Art Assignment and how to submit your response: http://theartassignment.com/

Pre-order our book YOU ARE AN ARTIST (which includes new assignments!) here: http://bit.ly/2kplj2h

You probably made rubbings in elementary school, but Kim Beck views rubbings as field recordings. She wants you to take a snapshot of a particular place by making a rubbing of the ground you're standing on. Here’s what she means:

INSTRUCTIONS
1. Get a crayon and a large piece of paper
2. Find a piece of ground that you respond to
3. Make a rubbing of that piece of ground
4. Take a photo of the rubbing in the place you made it and upload using #theartassignment
5. Fame and glory (Your work might be featured in a future episode)
6. BONUS!: Send us your rubbing (with a return address) and we’ll send you someone else’s — mail to: The Art Assignment, PO Box 30827, Indianapolis, IN 46230

Find out more about The Art Assignment and how to submit your response: http://theartassignment.com/

Stop using generic chatbots that hallucinate your syllabus! In this video, I show you how to build a custom "LBSocial TA" using Google's Gemini Gems connected to a live NotebookLM knowledge base.

🚀 What it does:
Drafts accurate student email replies in Gmail.
Answers specific questions based on YOUR lecture notes.
Gives students free access to your course materials.

🔗 Full Tutorial: https://www.lbsocial.net/post/....gemini-gems-build-ai

#edtech #gemini #notebooklm #ai #teachingtips #datascience #googleworkspace

リアルで会った人に間違いなくオススメする無料AIツール「NotebookLM」が最近進化してたので改めて解説。Geminiと合わせたAI活用方法も紹介。

★プロセボ｜AIコミュニティ
AI活用を実際に操作しながら学ぶワークショップ型AIスクール。
参加申し込みはこちら → https://procevo.biz/

▼KEITOの著書
ChatGPT むちゃぶり仕事術
→ https://amzn.to/46u5zjd
やりたい！ができる生成AIでアプリづくり
→ https://amzn.to/46sdQT4

チャンネルのメンバーになって特典にアクセス
https://www.youtube.com/channe....l/UCfapRkagDtoQEkGey
メンバー向けコミュニティは入会後、YouTube「メンバーシップタブ」の「特典の情報を表示」の中のURLから参加可能。

▼おすすめ動画
Gemini for Google Workspace完全解説
https://youtu.be/0BZpNHfdFIk
無料の神ツール「Google AI Studio」徹底解説
https://youtu.be/J4NhtqReyl8
Geminiの画像生成の面白い使い方12選
https://youtu.be/9SPX2L35lW4
Gemini Gem（ジェム）徹底解説
https://youtu.be/KuECMAq85-Q
Geminiでスライド資料を作る神プロンプト
https://youtu.be/aJd7AOAFTv8

完全無料｜日本最大級の生成AIコミュニティ
情報共有・無料講義・交流など。生成AIを学びたい、生成AIをビジネスにしたい、生成AIで仲間を見つけたい方は是非ご参加下さい。
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\\　自己紹介　//
AI × WEB YouTuber 兼 制作ディレクター。
このチャンネルではChatGPTや画像生成AIなどの生成系AIツールの活用方法や、新しいAI系ツールを紹介。その他ITに関する便利ツールや情報も発信しています。役に立った！面白かった！と思って頂けたら是非チャンネル登録お願い致します。

AIを使ったサービス・仕組みのプロデュース。生成AIを活用した業務改善コンサルタント、講義やセミナーなどの登壇、AIやIT関連に関するアドバイザー（AI顧問）を請け負っております。

▼お問合せ
仕事の依頼はXのDMもしくは以下メールへ。
keito@realaize.jp

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Head to http://actnow.climeworks.com/besmart and learn more about removing CO₂ from the air.
↓↓↓ More info and sources below ↓↓↓

One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the geologic fingerprints of the Missoula Ice Age Floods, and learn the story of one of the worst natural disasters that’s ever happened!

High fives to Nick Zentner for educating me on the geology of Eastern Washington. He makes incredible geology videos on YouTUbe:
https://www.youtube.com/user/GeologyNick
https://www.youtube.com/watch?v=qHaL04gZQwc&list=PL18y1vgsGPLbl3wrSZwUyvkAiUJHZTS5Y

Follow me to @PBS Eons for more Kallie and more prehistoric adventures: https://www.youtube.com/c/eons

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Barbora Bei
Ken Board
Attila Pix
Burt Humburg
Roy Lasris
dani bowman
David Johnston
Salih Arslan
Baerbel Winkler
Robert Young
Eric Meer
Dustin
Karen Haskell

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00:00 Introduction
00:54 A geologic mystery
01:53 A very large lake
03:32 A mountain made of ice
05:15 The dam breaks
06:25 Biggest. Waterfall. Ever.
07:57 How the damage was done
10:10 Witnesses to destruction
10:49 A brave new idea
12:00 Stay curious.

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Greetings, fellow Homo sapiens. Our species is the only remaining member of the genus of upright, walking apes known as Homo. Where did we come from? Our history just got a whole lot more complicated (in a good way) thanks to some incredible new fossils unearthed in South Africa over the past few years. I got to visit them, and the scientists who discovered them, to learn their story and ours. Meet your cousin: Homo naledi #homonaledi #humanorigins #evolution

References: https://sites.google.com/view/....homo-naledi-referenc
Thank you to:
-Lee Berger, Marina Elliott, and Becca Peixotto for letting me meet Neo and for explaining their science!
-The Republic of South Africa for allowing these fossils to be on display in the USA.
-The Perot Museum of Nature and Science in Dallas, Texas. “Origins: Fossils From the Cradle of Humankind” will be on display through early 2020: https://www.perotmuseum.org/ex....hibits-and-films/tra

Special thanks to our Brain Trust Patrons:
AlecZero
Bob Rosset
Brent M.
Diego Lombeida

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This chemistry video tutorial provides a basic introduction into the 4 states of matter such as solids, liquids, gases, and plasma. Solids have a definite shape and volume. Liquids have a definite volume but not a definite shape since they assume the shape of the container. Gases do not have a definite volume or shape. Solids and gases are fluid which mean they have the ability to flow. Plasma is an ionized gas that can conduct electricity. Solids and liquids have a relatively high density and gases have a low density.

Chemistry - Basic Introduction:
https://www.youtube.com/watch?v=-KfG8kH-r3Y

Scientific Notation Review:
https://www.youtube.com/watch?v=ZtB0vJMGve4

Significant Figures Review:
https://www.youtube.com/watch?v=l2yuDvwYq5g

Unit Conversion Problems:
https://www.youtube.com/watch?v=eK8gXP3pImU

Accuracy and Precision:
https://www.youtube.com/watch?v=0IiHPKAvo7g

Density Practice Problems:
https://www.youtube.com/watch?v=9CKDQE35qXQ

________________________________
Pure Substances & Mixtures:
https://www.youtube.com/watch?v=OHhnm2p5G3o

Homogeneous & Heterogeneous Mixtures:
https://www.youtube.com/watch?v=eI-tmv4DLEk

Physical and Chemical Changes:
https://www.youtube.com/watch?v=YE2xaMsoGFU

Solids, Liquids, Gases, & Plasma:
https://www.youtube.com/watch?v=9TVOlTolKFA

Physical Vs Chemical Properties:
https://www.youtube.com/watch?v=gH1R87ahFvA

__________________________________
Law of Conservation of Mass:
https://www.youtube.com/watch?v=eBTNzScLUg4

Law of Definite Proportions:
https://www.youtube.com/watch?v=ly0ywRdVG_M

Law of Multiple Proportions:
https://www.youtube.com/watch?v=sxE95VOY-YY

Rutherford's Gold Foil Experiment:
https://www.youtube.com/watch?v=sNQsdrqsD_s

Cathode Ray Tube Experiment:
https://www.youtube.com/watch?v=i6zyPOSreCg

_________________________________
Atoms - Basic Introduction:
https://www.youtube.com/watch?v=acdkMeEKCNQ

Cations and Anions Explained:
https://www.youtube.com/watch?v=aAV2DMAI5f8

Diatomic Elements & Molecules:
https://www.youtube.com/watch?v=gi337Mx7wTc

Elements, Atoms, & Molecules:
https://www.youtube.com/watch?v=pSJeMJaCkVU

Protons, Neutrons, & Electrons:
https://www.youtube.com/watch?v=65dDZulPhtg

_______________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Kids can learn the ABCs with sing-along songs for babies and toddlers! 🤩 Sing your ABCD alphabet from A to Z with our adorable characters Lucas 🦁 and Ruby 🐰. ABC song for alphabet learning made easy with fun nursery rhyme songs created so that kids and families can sing and enjoy together. 🌟

What better way to learn the ABC and the alphabet than with cute and catchy sing-along ABC songs? ✏️ Make learning fun and easy for preschoolers and children of all ages as they get an education simply by listening to ABC songs and singing with their favorite cartoon friends. 🎵 Our colorful videos have more than just ABC nursery rhymes and alphabet lessons, they also come with Ruby, Lily, and other characters from our educational mobile games! 🐱

Children, kindergarteners, and older kids find it easy to remember lessons when they learn ABC song through catchy music. ✨ Rhyming lyrics are simple to memorize, and because they’re presented with colorful visuals and catchy music, kids can’t help but get into a learning mode. The best part is they won’t even realize they’re getting an education, they’re just having fun! 🎉

🎯 RV AppStudios creates free, family-safe learning materials for kids around the world. 🌎 Make learning easy with our educational apps, nursery rhymes & kids songs. 🔥

#ABCSong #ABCD #ABC

In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves and the places they lived by reinventing education, military service, and the relationship between government and governed. In Japan, the traditional feudal society underwent a long transformation over the course of about 300 years to become a modern nation-state. John follows the course of Japanese history from the emergence of the Tokugawa Shogunate to the Meiji Restoration and covers Nationalism in many other countries along the way. All this, plus a special guest appearance, plus the return of an old friend on an extra-special episode of Crash Course.

Chapters:
Introduction: Nationalism 00:00
Nationalism Around the World 0:49
The Modern Nation-State 1:52
The Tokugawa Bakufu of Japan 4:59
The Meiji Era and Japanese Nationalism 7:43
An Open Letter to Public Education 9:19
The Dark Side of Nationalism 10:28
Credits 11:18

Resources:
A Modern History of Japan by Andrew Gordon https://bit.ly/3Ocfxu0
Giving Up the Gun by Noel Perrin https://bit.ly/37JFQqA

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