View full lesson: http://ed.ted.com/lessons/the-....benefits-of-a-good-n

It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in a way that’s crucial for how our memory works.

Lesson by Shai Marcu, animation by Javier Saldeña.

Michio Kaku: The Universe in a Nutshell
Watch the newest video from Big Think: https://bigth.ink/NewVideo
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OVERVIEW:

In a profoundly informative and deeply optimistic discussion, Professor Michio Kaku delivers a glimpse of where science will take us in the next hundred years, as warp drives, teleportation, inter-dimensional wormholes, and even time travel converge with our scientific understanding of physical reality. While firing up our imaginations about the future, he also presents a succinct history of physics to the present.
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MICHIO KAKU:

Dr. Michio Kaku is the co-founder of string field theory, and is one of the most widely recognized scientists in the world today. He has written 4 New York Times Best Sellers, is the science correspondent for CBS This Morning and has hosted numerous science specials for BBC-TV, the Discovery/Science Channel. His radio show broadcasts to 100 radio stations every week. Dr. Kaku holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York (CUNY), where he has taught for over 25 years. He has also been a visiting professor at the Institute for Advanced Study as well as New York University (NYU).
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TRANSCRIPT:

My name is Professor Michio Kaku. I’m a professor of theoretical physics at the City University of New York and I specialize in something called string theory. I’m a physicist.
Some people ask me the question, “What has physics done for me lately? I mean, do I get better color television, do I get better internet reception with physics?” And the answer is yes. You see, physics is at the very foundation of matter and energy. We physicists invented the laser beam, we invented the transistor. We helped to create the first computer. We helped to construct the internet. We wrote the World Wide Web. In addition, we also helped to invent television, radio, radar, microwaves, not to mention MRI scans, PET scans, x-rays. In other words, almost everything you see in your living room, almost everything you see in a modern hospital, at some point or other, can be traced to a physicist.

Now, I got interested in physics when I was a child. When I was a child of eight, something happened to me that changed my life and I wanted to be part of this grand search for a theory of everything. When I was eight, a great scientist had just died. I still remember my elementary school teacher coming into the...

To read the full transcript and for more info, please visit https://bigthink.com/videos/un....iverse-in-a-nutshell
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ABOUT BIG THINK:

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Big Think is the leading source of expert-driven, actionable, educational content -- with thousands of videos, featuring experts ranging from Bill Clinton to Bill Nye, we help you get smarter, faster. S​ubscribe to learn from top minds like these daily. Get actionable lessons from the world’s greatest thinkers & doers. Our experts are either disrupting or leading their respective fields. ​We aim to help you explore the big ideas and core skills that define knowledge in the 21st century, so you can apply them to the questions and challenges in your own life.

Other Frequent contributors include Michio Kaku & Neil DeGrasse Tyson.

Michio Kaku Playlist: https://bigth.ink/kaku
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Read more at Bigthink.com for a multitude of articles just as informative and satisfying as our videos. New articles posted daily on a range of intellectual topics.

Join Big Think Edge, to gain access to a world-class learning platform focused on building the soft skills essential to 21st century success. It features insight from many of the most celebrated and intelligent individuals in the world today. Topics on the platform are focused on: emotional intelligence, digital fluency, health and wellness, critical thinking, creativity, communication, career development, lifelong learning, management, problem solving & self-motivation.

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The documentary film "History of Mathematics" takes viewers on a fascinating journey through time to explore the evolution of mathematics in various civilizations. From ancient Egypt and Mesopotamia to Greece, China, India, and the Middle East, the film highlights the contributions of prominent mathematicians and their impact on the field.

The film delves into the use of decimal systems, the invention of the number zero and the concept of infinity, the creation of algebra, and the spread of Eastern knowledge to the West. With a combination of historical footage, expert interviews, and breathtaking visuals, this documentary brings to life the rich history of mathematics and its role in shaping the world we live in today..

1:20 - Mathematics in Egypt
19:30 - Mathematics in Mesopotamia
35:21 - Mathematics in Greece
54:21 - Mathematics in China
1:10:08 - Mathematics in India
1:35:36 - Mathematics in Europe

#mathematics #math #history #documentary

In this 3D animation, we explore the fascinating world of the digestive system. From the moment food enters our mouths to its transformation into vital nutrients, the video breaks down each stage with stunning visuals and clear explanations.

Timecodes:
0:00 Mouth
0:06 Esophagus
0:26 Stomach
1:26 Carbs vs. Proteins vs. Fats
1:42 Small Intestine
2:13 Large Intestine
3:03 Odor of Stool
3:25 Rectum
3:36 Next video

How the Digestive System Works | 3D Animation
Images/videos used under license from Shutterstock.com

Body language, both the speaker's and the audience's, is a powerful form of communication that is difficult to master, especially if the speaker is nervous. This video will teach you how to use your body language effectively, read the audience's body language and what to do when they look bored or disconnected. Use these tools to enhance your nonverbal communication abilities and better connect with your audiences.
Presented by Stanford graduate students Matt Levy, Colin Bailie, Jeong Joon Ha, and Jennifer Rosenfeld. Created as an exemplary final project in Lecturer JD Schramm's Strategic Communication course. Learn more about communication techniques and best practices on "Think Fast, Talk Smart: The Podcast." https://www.gsb.stanford.edu/i....nsights/think-fast-t

Bill Gross has founded a lot of start-ups, and incubated many others — and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on five key factors. He found one factor that stands out from the others — and surprised even him.

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
Find closed captions and translated subtitles in many languages at http://www.ted.com/talks/bill_....gross_the_single_big

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When it comes to what you bite, chew and swallow, your choices have a direct and long-lasting effect on the most powerful organ in your body: your brain. So which foods cause you to feel so tired after lunch? Or so restless at night? Mia Nacamulli takes you into the brain to find out. Lesson by Mia Nacamulli, animation by Private Island.

Use the code NATHANIEL20 with this link to get a discount when signing up to Lingoda: https://try.lingoda.com/NathanielDrew_Sprint

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Take a mind-blowing voyage to the most powerful and mysterious objects in the universe. (Aired January 10, 2018)

Official Website: https://to.pbs.org/3P9TdDL | #novapbs

Black holes are the most enigmatic and exotic objects in the universe. They’re also the most powerful, with gravity so strong it can trap light. And they’re destructive, swallowing entire planets, even giant stars. Anything that falls into them vanishes…gone forever. Now, astrophysicists are realizing that black holes may be essential to how our universe evolved—their influence possibly leading to life on Earth and, ultimately, us. In this two-hour special, astrophysicist and author Janna Levin takes viewers on a journey to the frontiers of black hole science. Along the way, we meet leading astronomers and physicists on the verge of finding new answers to provocative questions about these shadowy monsters: Where do they come from? What’s inside? What happens if you fall into one? And what can they tell us about the nature of space, time, and gravity?

Chapters
00:00:00 Introduction
00:10:23 What Is A Black Hole?
00:18:45 How Does A Black Hole Form?
00:24:40 What Would Happen If You Traveled Into A Black Hole?
00:29:58 The First Detection of A Black Hole: Cygnus X-1
00:50:47 The Relationship of Supermassive Black Holes and Galaxies
01:12:21 How Do Black Holes Grow?
01:30:56 New Technologies Giving New View of Black Holes
01:50:02 Conclusion

© 2018 WGBH Educational Foundation

All rights reserved

This program was produced by GBH, which is solely responsible for its content.

This program is made possible by viewers like you. Support your local PBS station here: https://pbs.org/donate/

Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS App: https://to.pbs.org/2QbtzhR

Stay up to date on the latest science discoveries, full episodes, articles, videos, and more by signing up for NOVA's newsletter here: https://www.pbs.org/wgbh/nova/newsletter/

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#blackhole #spacedocumentary #supernova #blackholemysteries #blackholetv #blackholemysteries #astrophysics #astrophysicist #astronomy #physics #einstein #gravity #eventhorizontelescope #galaxy #jameswebbspacetelescope #ligonierministries

What is a black hole, what is inside a black hole, gravitational field, star life cycle, death of a star, cygnus x-1, quasar, what is a quasar, supermassive black hole facing earth, milky way galaxy supermassive black hole, supermassive black hole earth, event horizon black hole, LIGO

An inside look at the basic systems that make up a standard car engine.

Alternate languages:
Español: https://www.youtube.com/watch?v=FpLfFcfgtzE

Get on Patreon and help fund my 3D animation obsession! It wouldn't feel right to put sponsorship segments in the middle of high quality educational content, so let's try another way together:
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Need 3D illustration and animation? Have suggestions for what to explain next? Animagraffs can help! Let's chat: https://animagraffs.com/contact/

License Animagraffs work for your own purposes
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See more explanations of how things work at: https://animagraffs.com/

I use Blender 3D to create these models. It's free and open source, and the community is amazing:
https://www.blender.org/

Chapters
0:00 Intro
0:14 4 Stroke Cycle
1:22 Firing Order
1:36 Camshaft / Timing Belt
1:56 Crankshaft
2:15 Block / Heads
2:35 V6 / V8
3:02 Air Intake
3:25 Fuel
3:54 Cooling
5:02 Electrical
6:06 Oil
7:03 Exhaust
7:28 Full Model

🔍 In this video, we unravel the layers of AI, Machine Learning, Deep Learning, and their applications in tools like #chatgpt and Google #bard we first go through how AI is a broad field of study that encompasses #machinelearning as a sub-field.

We then break down Machine Learning into supervised and unsupervised models, using real-world examples to illustrate their functions and differences.

We move deeper into Deep Learning: Learn about artificial neural networks and the power of semi-supervised learning in applications like fraud detection in banking.

Then we delve into Generative AI, differentiating it from discriminative models and demonstrating its capabilities in creating new, innovative outputs.

Finally we walk through Large Language Models (LLMs) and uncover the significance of LLMs in AI, their pre-training processes, and their customization for specific industry applications

*THE NO BS PRODUCTIVITY NEWSLETTER* 📧
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*TIMESTAMPS*
00:00 Google’s AI Course in 10 Minutes
00:38 What is Artificial Intelligence?
01:27 What is Machine Learning?
03:28 What is Deep Learning?
05:15 What is Generative AI?
07:05 What are Large Language Models?

*RESOURCES I MENTION IN THE VIDEO*
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*👨🏻‍💻 WHO AM I:*
I'm Jeff, a tech professional trying to figure life out. What I do end up figuring out, I share!

_PS: Some of the links in this description are affiliate links I get a kickback from and my opinions are my own and may not reflect that of my employer_ 😇

Dig into the science of stretching, and find out what it actually does to your muscles and how you can improve your flexibility.

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An athlete is preparing for a game. They’ve put on their gear and done their warmup, and now it’s time for one more routine — stretching. Typically, athletes stretch before physical activity to avoid injuries like strains and tears. But does stretching actually prevent these issues? And if so, how long do the benefits of stretching last? Malachy McHugh explores the finer points of flexibility.

Lesson by Malachy McHugh, directed by Sofia Pashaei.

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Dig deeper with additional resources: https://ed.ted.com/lessons/how....-stretching-actually#digdeeper music: https://www.campstudio.co
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Thank you so much to our patrons for your support! Without you this video would not be possible! Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, Aaron Henson, Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Jose Henrique Leopoldo e Silva, Mandeep Singh and Abhijit Kiran Valluri.

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There's been a lot of news about gas stoves. At first, I was skeptical about the panic over these appliances. But then I measured the indoor air pollution from our stove and talked to public health experiments.

You can view all sources, learn more about my experiment, and listen to behind-the-scenes interviews on the Distilled website: https://www.distilled.earth/p/i-measured-the-pollution-from-my

#gasstove #gasstoves #climatechange #methane

Hello everyone, Lesics is fightig for survival. If you can support us at Patreon, I would truly appreciate that - https://www.patreon.com/Lesics
You will get access to our exclusive videos as well. I hope you enjoyed the Golde gate bridge construction video.
Cheers Sabin

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A comprehensive plan—with goals, initiatives, and budgets–is comforting. But starting with a plan is a terrible way to make strategy. Roger Martin, former dean of the Rotman School of Management at the University of Toronto and one of the world’s leading thinkers on strategy, says developing strategy means going outside an organization’s comfort zone and escaping the common traps of strategic planning.00:00 Most strategic planning has nothing to do with strategy.01:00 So what is a strategy?02:08 Why do leaders so often focus on planning?04:05 Let's see a real-world example of strategy beating planning.06:33 How do I avoid the "planning trap"? For more from Roger Martin on this topic, read, "A New Way to Think: Your Guide to Superior Management Effectiveness": https://www.amazon.com/New-Way....-Think-Management-Ef Harvard Business Review:https://hbr.org/https://www.li....nkedin.com/company/h up for Newsletters: https://hbr.org/email-newslett....ers#HarvardBusinessR #strategy #rogermartincopyright © 2022 Harvard Business School Publishing. All rights reserved.#strategicplanning #planning #business #explainer #success #howto

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On April 8, 2024, the Moon’s shadow fell upon the Earth, creating a total solar eclipse across North America. If you had the chance to see it, you're surely glad you didn't miss it. It’s an amazing coincidence that total eclipses happen at all — and that we’re alive at a time when we can see and predict them. We made this video so you can learn how to watch an eclipse safely, what to look for during an eclipse, why eclipses happen, and how eclipses have helped advance scientific research.

Explore this April 8, 2024 eclipse map from NASA! https://science.nasa.gov/eclip....ses/future-eclipses/

Find your next solar eclipse here: https://eclipse.gsfc.nasa.gov/SEatlas/SEatlas.html

Learn more about the solar eclipse timer app: https://www.solareclipsetimer.com/

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Learn Python basics in 1 hour! ⚡ This beginner-friendly tutorial will get you coding fast.

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⭐ My favorite Python books
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- Machine Learning for Absolute Beginners: https://amzn.to/2Gs0koL
- Hands-on Machine Learning with scikit-learn and TensorFlow: https://amzn.to/2IdUuJy

📖 TABLE OF CONTENT
0:00:00 Introduction
0:00:30 What You Can Do With Python
0:01:15 Your First Python Program
0:05:30 Variables
0:09:08 Receiving Input
0:10:48 Type Conversion
0:18:49 Strings
0:23:41 Arithmetic Operators
0:25:59 Operator Precedence
0:27:11 Comparison Operators
0:28:52 Logical Operators
0:31:06 If Statements
0:36:16 Exercise
0:41:42 While Loops
0:45:11 Lists
0:48:47 List Methods
0:52:16 For Loops
0:54:54 The range() Function
0:57:43 Tuples

#python #ai #machinelearning #webdevelopment

Be sure to check out the sponsor of today's video LetsGetChecked and use the coupon code IOHA25 to get 25% off your test! https://letsgetchecked.7no9.net/c/3447259/507335/8695?&u=https%3A%2F%2Fwww.letsgetchecked.com%2Fhome-kidney-test%2F%3Flgc_code%3DIOHA25%26lgc_saving%3D25

More Videos!
➡️ What Gonorrhea Does to Your Body: https://youtu.be/L2uHqD11UCM
➡️ What Chlamydia Does To Your Body: https://youtu.be/MUT7DjIjOjc
➡️ STD Myths You Shouldn't Believe: https://youtu.be/EJBz-SypW-Q

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What HIV Does to the Body
____

In this video, Jonathan from the Institute of Human Anatomy will guide us through the essential aspects of HIV awareness and prevention. You will learn about HIV transmission, treatment, testing guidelines, and practical risk-reduction strategies. Join us for a comprehensive discussion on HIV education.

____

0:00 - 0:46 Intro
0:47 - 1:11 What is HIV?
1:12 - 1:32 How is HIV Transmitted?
1:33 - 1:43 HIV Cannot be Spread Through Casual Contact
1:44 - 3:59 What Are the Odds of Catching HIV With the Different Types of Intercourse?
4:00 - 4:29 The Risk of Getting HIV from Non-Sexual Blood-borne Exposure
4:30 - 5:19 Factors That Further Increase the Odds of Contracting HIV
5:20 - 7:36 Is It Really Worth the Risk?
7:37 - 8:44 What Happens When Someone First Gets Infected With HIV?
8:45 - 9:44 What Does HIV Do to Your Immune System?
9:45 - 10:48 Chronic HIV: When Does it Become AIDs (Acquired Immunodeficiency Syndrome)?
10:49 - 11:19 Current HIV Treatment: Slowing Disease Progression & Living a Normal Life
11:20 - 11:39 Undetectable Viral Load: No Risk of Transmitting the Infection?
11:40 - 12:30 PrEP: Pre-Exposure Prophylaxis: How it is Used Prior to Exposure
12:31 - 12:59 PEP: Post-Exposure Prophylaxis: 72 Hours After a High-Risk Exposure
13:00 - 14:36 Who Should Consider Getting Tested For HIV?
14:37 - 15:12 How Long Do You have to Wait to be Tested After a Potential Exposure?
15:13 - 16:11 Practices That Can Help One Lower the Risks of Contracting HIV
____

Cool Stuff!
https://www.amazon.com/shop/in....stituteofhumananatom
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References:
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https://www.cdc.gov/hiv/basics..../hiv-testing/test-ty
https://www.uptodate.com/contents/acute-and-early-hiv-infection-treatment?search=HIV%20treatment&source=search_result&selectedTitle=1%7E150&usage_type=default&display_rank=1
____

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#hivawareness #hiv #sexualhealth #instituteofhumananatomy

A ton of your devices use Bluetooth to communicate wirelessly. But how does Bluetooth work? In this video, we'll dive into the details of how your smartphone sends audio to your wireless headphones. Bluetooth is rather complicated and thus we're going to use a number of analogies and tools to explain it fully.

This video is sponsored by KIOXIA. Visit KIOXIA's website to see their lineup of solid-state drives:
www.kioxia.com

Do you want to support in-depth engineering and technology education? Support us on: https://www.patreon.com/brancheducation

Website: https://www.branch.education
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Or Join us on YouTube Memberships: https://www.youtube.com/channe....l/UCdp4_l1vPmpN-gDbU

This video is part of a series that explores how wireless headphones work.
1) Audio Codecs https://youtu.be/_ZKNOKHpqE4
2) Noise Cancellation https://youtu.be/VIi04uD8LtY

Script, Modelling, Animation, Editing- Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee

Table of Contents:
00:00 - How does Bluetooth Work?
00:37 - Traffic Lights
01:26 - 2.4GHz Spectrum
02:44 - Issues with the Bluetooth Visualization
05:56 - Details behind Bluetooth
07:30 - Bluetooth Packets
08:27 - Frequency Hopping Spread Spectrum
10:58 - Noise in the 2.4GHz Spectrum
13:05 - Bluetooth Signal Integrity
14:21 - Sponsored Segment
15:33 - Frequency Shift Keying & Phase Shift Keying
18:16 - More Details on Scheduling & Packets
20:43 - Outro

Key Branches from this video are: Wireless Headphones & Audio Codecs, Noise Cancellation

Erratum:

Animation built using Blender 2.90.1 https://www.blender.org/
Post with Adobe Premiere Pro

Additional Patreon / YouTube Member Credits Not Shown in the Video:
Adit Kaul

Credits:
Wikipedia contributors. "Bluetooth", "Frequency-Shift Keying" , "Phase-Shift Keying" , "Wireless" Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited May, 2021

Music Credits
Sunburst, Tobu & Itro is licensed under Creative Commons Attribution License
http://www.7obu.com
https://www.youtube.com/watch?v=4lXBHD5C8do

#bluetooth #wireless #headphones

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Have you ever wondered how video game graphics have become incredibly realistic? How can GPUs and graphics cards render such incredibly detailed scenes? Well, in this video we're going to explore how just a bunch of data in your computer gets turned into realistic graphics. Additionally, we'll take a quick look into Ray Tracing, DLSS or Deep Learning Super Sampling, and many other complicated aspects of video game graphics.

We at Branch Education love to play video games, so this video has been one of our favorite ones to make thus far. It's kind of like getting to look under the hood of your childhood car. Also, it was surprising that practically all video games use similar basic steps to render each frame. Furthermore, as a fun fact, to create this video our team used 1x 3090ti, 3x 3090s, and the model that we tore down was a 3090.

There are just sooooo many topics in the realm of computer graphics that we couldn't cover. If you're interested in part 2 where we'll cover things like UVs, Normal Maps, Shadows, Reflections, Specular Reflections, and much more, tell us in the comments.

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Table of Contents:
00:00 - Video Game Graphics
01:11 - Graphics Rendering Pipeline and Vertex Shading
04:16 - Video Game Consoles & Graphics Cards
05:06 - Rasterization
06:51 - Visibility Z Buffer Depth Buffer
10:03 - Pixel Fragment Shading
11:35 - The Math Behind Pixel Shading
14:05 - Vector Math & Brilliant Sponsorship
16:11 - Flat vs Smooth Shading
17:25 - An Appreciation for Video Games
17:58- Ray Tracing
18:45 - DLSS Deep Learning Super Sampling
19:06 - GPU Architecture and Types of Cores
20:06 - Future Videos on Advanced Topics
20:24 - Outro for Video Game Graphics


Key Branches from this video are: How do JPEGs Work? How does Computer Hardware Work?

Erratum:

Animation: Mike Radjabov, Prakash Kakadiya, Teddy Tablante
Script: Teddy Tablante
Twitter: @teddytablante
Modeling: Mike Radjabov, Prakash Kakadiya
Voice Over: Phil Lee
Sound Design: www.drilu.mx
Sound Effects and Music Editor: Raúl Núñez
Supervising Sound Editor and Mixer: Luis Huesca

Animation built using Blender 4.0.1 https://www.blender.org/

References:
The most important resource for making this video was Cem Yuksel [ https://www.youtube.com/@cem_yuksel ] a professor in the School of Computing at the University of Utah. His online course on computer graphics and interactive graphics was incredibly useful.

"NVIDIA Ampere GA102 GPU Architecture" Second-Generation RTX. NVIDIA Corporation 2021

Wikipedia contributors. "Computer Animation" "Computer Graphics". "CUDA". "Graphics Pipeline". "History of Computer Animation". "NVIDIA". "Rasterization". Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited December 21nd 2023

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