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As the Vietnam war became more controversial and morale dipped, a disturbing new phenomenon emerged in the U.S. military called ‘fragging’.

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Credit:

Narrator:

Chris Kane
www.vocalforge.com

Animation:
Daniel Turner

Artwork:
Daniel turner

Music Credit

Back Streets of Seoul

MK2

Get your free trial of MagellanTV here: https://try.magellantv.com/simplehistory. It's an exclusive offer for our viewers: an extended, month-long trial, FREE. MagellanTV is a new kind of streaming service run by filmmakers with 3,000+ documentaries! Check out our personal recommendation and MagellanTV’s exclusive playlists: https://www.magellantv.com/explore/history

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SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

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T-Shirts

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Simple history gives you the facts, simple!

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Credit:
Created by Daniel Turner
Script: Conan White
Narrator:

Chris Kane
https://vocalforge.com/

The first 100 people to go to https://www.blinkist.com/simplehistory are going to get unlimited access for 1 week to try it out. You’ll also get 25% off if you want the full membership.

By the time WWI came around in 1914, communications technologies had advanced to the point where the competing armies were able to use telegraphs and field telephones to send long range messages.
But it was often the case that the only possible way to get a message through was to send a human runner.

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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

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T-Shirts

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Simple history gives you the facts, simple!

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Credit:
Created by Daniel Turner

Narrator:

Chris Kane
https://vocalforge.com/

Music Credit:

Malicious Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

Sources:
https://pastebin.com/H5WqLhkU

Learn how to draw Reya the Red Panda from Khan Academy Kids with Kim Ferrari, our lead animator. An animator is someone who draws, and makes those drawings move. Draw alongside Kim as she explains Reya’s structure, and all of the shapes that make up her face. Practice drawing shapes like teardrops and triangles to make your own Reya. Then, color Reya in with two shades of pink!

Can your kids draw Reya too? Send us your drawings of Reya, here! http://khan.co/KhanKids-SubmitYourArt.

Learn more about Khan Academy Kids, our free educational app for children ages 2-7, at http://www.khankids.org.

Available on Apple, Google Play, and Amazon app stores:

http://khan.co/KhanKids-YT-Apple
http://khan.co/KhanKids-YT-Google
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Subscribe to our channel so you don’t miss a single episode of Circle Time!

Questions or ideas for Circle Time? Reach our team at khankids@khanacademy.org.

Google ha lanzado nuevos nuevos avances en gemini 3 y NotebookLM que al combinarlos hacen que sean el doble de poderosos, capaz de automatizar nuestro flujo de trabajo

Prueba Clerk y profesionaliza tus apps facilmente: https://go.clerk.com/XRTLmcx

🔥 NUEVO curso de IA, con limite de 25 personas, para que tengas una formación real y cercana: https://academiartificial.com/curso-ia/

🔗 Enlaces:
- Doc con Prompts: https://bit.ly/combigoogle
- Stitch: https://stitch.withgoogle.com/
- Gemini: https://gemini.google.com/
- NotebookLM: https://notebooklm.google.com/


00:00 IA de google combinada
01:00 Stitch con Gemini 3
01:53 Caso 1: Prototipado
07:27 Escalar app
08:38 Caso 2: Asistente personal
14:20 Caso 3: Cursos a medida
18:50 Caso 4: Visualizaciones interactivas
23:00 Caso 5: Infografías como saas

🚀 Conoce mi academia: https://academiartificial.com/

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/chemistry/stat

Understanding and interpreting phase diagrams

Watch the next lesson: https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/van-der-waals-forces?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Missed the previous lesson? https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/states-of-matter/v/vapor-pressure?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
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Google 釋出了最強大的更新！將 NotebookLM（個人知識庫）與 Gemini（思考引擎）正式打通，這不僅僅是功能的串接，更是 AI 工作流的徹底革命。(12/16: 新功能正逐步推送至各用戶)

操作演練可參考這部影片:https://youtu.be/v1VAUOvJcug

你是否厭倦了每次開新對話都要重新上傳檔案、或是 AI 聊沒兩句就忘了前文的「金魚腦」？這支影片將帶你從原理到實戰，看見「模組化智慧」如何改變我們的學習與工作效率。

**在這集影片中，你將學到：**
1. 解除封印：如何讓 Gemini 直接讀取你私人筆記本中的深層知識。
2.海量吞吐：解鎖單一筆記本高達 300 個來源檔案的驚人容量（免費版為50個來源)。
3.混合搜尋：學會讓 AI 同時運用「你的專業資料」+「網路最新資訊」來回答問題。
4.三大實戰流：從內容生成、多重資料整合到互動式教材製作，手把手教學。

告別碎片化的資訊，迎接你的專屬 AI 導師！

**【⏱️ 精彩章節傳送門】**
* 00:00 🚀 前言：Google 重磅更新！打造你的 AI 第二大腦
* 00:39 🐟 痛點直擊：告別重複上傳與 AI 的「金魚腦」記憶
* 01:02 🔗 核心原理：當 NotebookLM (記憶體) 遇上 Gemini (處理器)
* 01:35 🧠 升級亮點 1：AI 的新大腦—對話紀錄保存與隱私結合
* 02:24 📈 升級亮點 2：容量大解放！支援 300 個來源檔案的專業級資料庫
* 03:03 🌐 升級亮點 3：混合搜尋模式—內建知識庫 + 即時聯網搜尋
* 03:35 📝 實戰流程 1：內容生成—用健身筆記一鍵產出科學化短影音腳本
* 04:27 📂 實戰流程 2：多重來源整合—跨筆記本 (專案+目標) 產出綜合簡報
* 05:00 📖 實戰流程 3：互動創作—將靜態筆記轉化為「互動式 AI 助教」網頁
* 05:35 🎯 誰最適合？：研究員、創作者、專案經理的應用場景
* 06:04 🔮 宏觀趨勢：「模組化智慧 (Modular Intelligence)」— AI 知識卡匣時代來臨
* 06:53 ⚖️ 超級比一比：Gems (角色扮演) vs. NotebookLM (深度整合) 該怎麼選？
* 07:32 📝 今日重點回顧：串連知識，解鎖未來
* 07:58 💭 思考題與結語：當 AI 繼承了你的專業，你想創造什麼？

**【關於 憶筆 M.S.】**
嗨！我是憶筆 M.S.，這裡專注於分享最實用的 AI 工具教學、科技新知與學習方法及空中AI證照陪讀，希望能幫助你在 AI 時代，學得更快、做得更好！

💡 **追蹤我的最新動態**
* 訂閱頻道：https://www.youtube.com/@YibiMS
* Threads：https://www.threads.com/@yibims

本影片編輯工具為FlexClip，推薦收看以下這部影片介紹(含新手教學及優惠訊息)
https://youtu.be/seqGDhQMJks

#NotebookLM #Gemini #GoogleAI #AI工具 #第二大腦 #生產力工具 #知識管理 #AI教學 #憶筆MS #模組化智慧 #工作效率

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/ap-calculus-ab/ab

A quick reminder of what limits are, to set up for the formal definition of a limit. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-limits-continuity/ab-limits-opt-vids/v/building-the-idea-of-epsilon-delta-definition?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-limits-continuity/ab-limit-strategy/v/flow-chart-of-limit-strategies?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan AcademyÕs AP Calculus AB channel: https://www.youtube.com/channe....l/UCyoj0ZF4uw8VTFbml
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/algebra-home/alg-


Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Pre-Algebra channel:: https://www.youtube.com/channe....l/UCIMlYkATtXOFswVoC
Subscribe to KhanAcademy: https://www.youtube.com/subscr....iption_center?add_us

Did you know the forces of nature like wind or weather change the physical structure of how things look over time? In this video for kids, you will learn all about the processes of weathering and erosion. You will discover that there are three main types of weathering and three main types of erosion. The two process seem pretty similar, but they are actually different. But they practically work together to both destroy landforms and create new ones!

The three types of weathering are chemical, mechanical, and biological. Chemical weathering changes minerals inside or on the surface of rocks. Mechanical weathering is caused by ice, the sun's heat, and a couple other natural forces. Biological weathering involves plants and animals, as well as humans. It is called "biological" because this type of weathering happens because of a living organism. For instance, a tree root growing out of a rock is slowly breaking that rock into smaller pieces.

The three main causes of erosion are water, wind, and ice. Water can cause erosion through rainfall, rivers, and floods. The force of water pushes or pulls rocks and sediment to a new location. Wind similarly picks up and carries loose particles and dust. And glaciers are constantly moving and shifting, which causes erosion too!

We hope you and your student(s) enjoyed learning how the earth changes! If you want even more information, head over to our website and download one of our many free lesson plans about weathering and erosion, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/weathering
https://learnbright.org/lesson....s/science/the-rock-c

What you will learn in this video:
0:00 Introduction to the processes of weathering and erosion
0:33 Differences between weathering and erosion
1:38 Three main types of weathering
2:55 Erosion and the three main causes
3:57 Glaciers, gravity, and plants and animals as causes of erosion
4:44 The process of deposition
5:30 Review of the facts on weathering and erosion

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us and sign up for a free account, and you will instantly have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#WeatheringAndErosion
#WeatheringAndErosionForKids

How to use Google Stitch 2.0. Google just dropped Stitch 2.0, and it’s a game-changer for developers, designers, and founders. Powered by Gemini 3.0 Pro, this AI agent doesn't just generate images—it builds production-ready React and Tailwind code, editable Figma designs, and clickable prototypes.

In this video, I’ll show you how to turn a text prompt into a mobile app, use the new "Heatmap" feature to predict user attention, and even how to turn a messy napkin sketch into a working login screen.

🔗 Try Google Stitch 2.0 here: https://stitch.withgoogle.com

In this video:
0:00 - Introduction: From Napkin to Code
0:42 - Who is this for?
1:15 - Text-to-UI: Building a Crypto Dashboard
3:29 - Edit Theme and Create Variations
5:31 - View Code, Export & Download
6:40 - Creating a Website: SaaS Landing Page Demo
8:19 - Image-to-UI: Turning a Sketch into an App
8:45 - Pro Features: Attention Heatmaps & Prototypes

The human eye is a fascinating organ in our bodies. Do you know how it works? In The Human Eye for Kids video, you will learn how exactly our eyes use light to create images. The muscles that make our eyes blink are the fastest-moving muscles we have! They are both voluntary and involuntary, so we can blink on purpose and blink as a reflex to bright light or dust in the air.

The reason we blink in the first place is that we need to keep our eyes clean. Blinking keeps dirt and other substances from getting in our eyes, and it helps keep them moist and not get too dry. Tears also help keep our eyes clean (and, of course, keep them from drying out). These important drops of water are made using the lacrimal glands.

The white part of your eye is the sclera, which is the outer covering of the eyeball that contains blood vessels that help blood flow to the eyeball. The cornea is a transparent dome in front of the colorful part of your eye. It helps your eye focus when exposed to light, kind of like a window. Something called the anterior chamber is the space between the cornea and iris that is filled with a transparent fluid that keeps the eye healthy.

Speaking of the colorful part of your eye, that is your iris. The iris works with the pupil, which is the black part of your eye, in an interesting way. Light travels through the iris before arriving at the pupil. Muscles attached to the iris change its shape to control the amount of light that gets through the pupil. The pupil is what lets light enter your eye. It gets bigger when we need more light and shrinks when there's plenty of light.

We hope you and your student(s) enjoyed learning about your eyes! If you want to learn even more, head over to our website and download one of our many free lesson plans about the human body, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/the-human-
https://learnbright.org/lesson....s/science/the-human-
https://learnbright.org/lesson....s/science/human-hear
https://learnbright.org/lessons/science/bones/

What you will learn in The Human Eye for Kids:
0:00 Introduction to the eye
0:37 Eyes, why we blink, and what tears are for
1:33 The sclera, the cornea, and the anterior chamber
2:35 The color of eyes—iris and pupil
3:35 What happens when light enters the eye
4:41 The retina, rods and cones, and the optic nerve
5:37 Other important parts of the eye
6:21 Review of the facts

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

Find and Follow Us Online:
Facebook: https://www.facebook.com/LearnBright/
Instagram: https://instagram.com/LearnBrightEducation
Pinterest: https://pinterest.com/LearnBrightEducation
YouTube: @LearnBright
Website: https://learnbright.org/

*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#HumanEye
#HumanBody