In this animated video, Dr Hadzic share the three most common reasons why IV access fail. In Based on 3 decades of teaching and medical education, he has witnessed these three fundamental mistakes that are basis of most failures to secure an IV access. 1) The catheter is too short 2) The needle and catheter not inserted deep enough into the vein 3) The angle of needle insertion is too steep.

🖥 Start your 7-day free trial on the NYSORA LMS today and see why it is the go-to resource to master Regional Anesthesia at https://bit.ly/3rmvkwH

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Medicine is an ever-changing science. As new research and clinical experience broaden, changes in treatment and drug therapy are required. The authors and publishers have checked with sources believed to be reliable in efforts to provide accurate information within the available or accepted standards of care. However, given the possibility of human error or changes in medical practice, neither the authors nor the publisher, nor any other party involved in the preparation of this platform warrants that the information contained herein is in every aspect accurate or complete, and they disclaim all responsibility for any errors or omissions for the results obtained from the use of the information contained in this work. Readers are advised to confirm the information contained herein with other sources. For example, readers are advised to check the product information of each drug mentioned, and that any information contained on NYSORA's Youtube channel is accurate.

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

Dive into the subconscious to see what’s really driving the decisions you make.
Official Website: https://to.pbs.org/3pUGv1s | #novapbs are you in control, or is your brain controlling you? Dive into the latest research on the subconscious with neuroscientist Heather Berlin. Sleepwalking, anesthesia, game theory, and more reveal surprising insights in this eye-opening journey to discover what’s really driving the decisions you make.

Chapters:
00:00 Introduction
03:22 Sleepwalking and the Brain
08:36 Anesthesia and the Brain
14:18 Results of Split Brain Surgery
22:23 Emotions and the Brain
30:01 How Does Trauma Affect the Brain?
35:39 How Much Control Do We Have of Our Brain?
45:44 Creativity and the Brain
50:17 Conclusion

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🎨 Master the Art of Analysis: 3 Steps to Understand Colour in an Artwork! 🌟Unlock the secrets of art and take your appreciation to the next level with our enlightening video! 🖼️✨In this video, we guide you through a step-by-step journey of colour analysis, helping you gain a deeper understanding of any artwork. Whether you're an art lover, student, or curious explorer, these four essential steps will transform the way you perceive and interpret art. 🧐📝0:19 1) Colour Schemes2:57 2) Colour Temperature3:58 3) Naturalistic or Unnatural Colours5:07 4) ApplicationImmerse yourself in the world of art and subscribe for more insights into the fascinating realm of creativity and expression. Art appreciation made easy! 🖼️🔍✨ #coloranalysis #artisticexpression #artlovers

A visual and musical journey to the edge of our universe, visualizing the fabric of space-time in order to study its dynamics and different forms...

0:00 - Galaxies
2:05 - Big Bang
3:20 - The Earth
6:35 - Black hole
9:10 - Rotating black hole
10:37 - Gravitational waves

You can listen to the soundtrack on SoundCloud :
https://soundcloud.com/arousse....l/sets/voyage-a-trav

This video is narrated by Octave Masson.
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Millions of Americans are administered anesthesia each year. Since 1846, doctors have used a variety of drugs to make patients unconscious for surgery, but even though the medications have changed, there's one thing that remains the same— it works. But how exactly?

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Following is the transcript of the video:

Narrator: When you go to sleep, if I pinched you, you'd be up. If I shook you, you'd be up, right? But under anesthesia, I'm gonna pinch you and do a full operation and you're not up. So it's really further on the spectrum of unconsciousness.

Narrator: When you wake up after being put under with general anesthesia you barely feel like any time has passed. You could have been out for an hour or a day and you wouldn't know the difference.

Fong: When you go to a natural sleep, people call your name, your alarm goes off, you wake up, right? This is not what is gonna happen during general anesthesia. You're gonna be unconscious.

Narrator: You're closer to being in a coma than being asleep.

Anesthesia was first used during surgery in 1846. The drug provided at that time was ether. Now anesthesiologists more commonly use a combination of drugs like propofol and fentanyl which interrupt neural pathways so you don't feel pain and you don't remember the surgery.

Fong: Three things that you need for general anesthesia are you need amnesia so that they don't remember, analgesia so they have pain relief and then operating conditions for the surgeon. Some surgeries you need the patient to be very relaxed so you would use a muscle relaxant. Other surgeries the patient just needs to be asleep and anesthetized but they don't need relaxation so how they do that varies upon the different medications that you're using. Some will depress excitatory neurons and some will enhance inhibitory neurons.

Narrator: Excitatory neurons, for example, get excited and send signals to other neurons to fire. Depressing them means less signals telling your brain you're in pain. Inhibitory neurons do the opposite. They make it harder for neurons to generate these electrical signals. In either case this means fewer active neurons overall which is important because when your body is being poked and prodded, neurons would typically fire to tell your brain you're in pain. If those neurons aren't firing, your brain doesn't know that your body is, well, being cut open.

Fong: Basically it interrupts the pathways and the communication between your neural networks. We're aiming for them to be not in pain by looking at their vital signs, their heart rate, their blood pressure. Then we want to make sure that they're unconscious.

Narrator: Without anesthesia, many important surgeries wouldn't be possible because they'd be way too traumatic.

Fong: Surgery didn't move forward, really, until anesthesia moved forward. You know, you watch those old movies. They give you a swig of alcohol, they put a tourniquet and they hack your leg off. People don't do well with that, right? If you had a bad heart, that would be the end of that.

Narrator: After the procedure is complete the doctors stop administering the meds and the most powerful effects of the drugs wear off but even though you're conscious again you might continue to experience some of the drugs side effects.

It’s a question that's been pondered for centuries. It's such an obvious question, in fact, that it barely even seems worth asking anymore. But it is worth asking! And the answer is actually pretty interesting. So let's get into it!
The quick and simple answer is that blood absorbs green light and reflects red light. As a result, it appears red to your eye.
This means that the reason why the blood looks red is because of how light is reflected through our body!

Blood is red because of hemoglobin, a protein molecule that contains iron. When the oxygen in your blood comes in contact with this iron and binds to it, it gives off a reddish color.
Hemoglobin helps transport oxygen throughout the body through arteries and veins. Hemoglobin is what gives blood its dark red color. Red light can't pass through a water molecule because of its electric charge, but green light can: it reflects off the surface of water molecules instead of being absorbed by them. That’s why if you’ve ever dived down deep in the sea, you’ll notice that reds quickly disappear, but greens can still be seen clearly.
The amount of red light can change with temperature too though.
Hemoglobin absorbs light energy (also known as photons) and converts it into heat energy instead. When there's more hemoglobin present than necessary, those extra photons are absorbed by free electrons in other molecules within our cells; this leads to higher temperatures and eventually causes overheating if conditions get too extreme (like on hot summer days). On the flip side, when there isn't enough hemoglobin available for this process due to insufficient oxygen levels or injuries like cuts from sharp objects like knives--it results in a blue discoloration because not enough light is getting through due an absence or deficiency of iron-containing proteins such as myoglobin.

So next time you hear someone tell you that blood is actually blue when it doesn’t have enough oxygen, you can tell them that they’re wrong, and that the blood is always red, but that the colour we see depends on a number of factors, including how much hemoglobin there is in the blood, how much light there is, the colour of the light, and even the temperature.

Watch this video to learn about how the body makes red blood cells, which contain hemoglobin and carry oxygen throughout the body. Anemia occurs when there are too few red blood cells or not enough hemoglobin. Find out more about anemia and other blood disorders by visiting ASH's patient resources webpage http://hematology.org/Patients/.

This animation was featured in the documentary film "Blood Detectives." To learn more about the film, visit http://www.hematology.org/Publ....ications/Blood-Detec

Today on Behind The Brand, Seth Godin details everything you (probably) don't know about marketing. Marketing is often a misunderstood concept often viewed as simply creating demand and driving brand awareness. Seth Godin dispels this view by explaining the difference between brand marketing and direct marketing, evaluating the value of a brand in marketing, and reviewing key differences between psychographic and demographic marketing.

His great insight into what we don't know about marketing is adopted from his bestseller - Seth Godin, This Is Marketing.

THIS IS Marketing book link: https://amzn.to/2AXqbBk
Click here to get a free audiobook copy of Seth Godin's NEW book: https://amzn.to/3z5gzQx

Here's everything you probably don't know about marketing from bestselling author, Seth Godin. His new book, This IS Marketing is probably the first and last book you'll ever need to buy on marketing. Hope you enjoy this Behind the Brand look with Seth.

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Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the universe from our own backyard all the way to its ever-expanding edge: the cosmic distance ladder. In this video, we climb that ladder and explore how each rung has revealed something new and previously unthinkable about the universe we live in.

References: https://sites.google.com/view/....cosmic-distance-refe

0:00 How far away are things?
1:05 Near, far, parallax that star
3:25 Island universes and Hubble's blinking star
5:51 Redshifted rainbows and the expanding universe
7:41 Supernovae and the end of everything
9:08 Conclusion: The ladder of discovery
10:00 I'm hosting a game show!



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Behind the Porsche brand, is a prodigious but dark story… A story of success, tragedy, innovation and destruction.

But to make sense of all this, we have to go back in time to where it all started, 1898. Ferdinand Porsche had just left his job behind to kickstart a new career into the automotive world.

During the next few decades, he created some of the fastest and most groundbreaking vehicle designs for other car manufacturers, turning himself into one of the greatest engineers of all time. And yet, after founding his own car company, this success fell into a darker path when Porsche was embroiled with military projects for the German Regime, which ended himself in prison and eventually costing his life.

So buckle up, we’re going on a journey to uncover the true story of Porsche, and how they managed to transformed itself to one of the greatest luxury car brands, it is today.

00:00 - 01:04 Prologue
01:04 - 03:15 Porsche's Origins
03:15 - 11:20 A New Journey
11:20 - 13:17 The Unusual Friendship
13:17 - 17:08 Porsche In War
17:08 - 22:49 Passing The Torch
22:49 - 26:06 The 911
26:06 - 28:44 The New Challenge


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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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.

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

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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

#graphics #gpu #algorithm

The most famous equation in finance, the Black-Scholes/Merton equation, came from physics. It launched an industry worth trillions of dollars and led to the world’s best investments. Go to https://www.eightsleep.com/veritasium and use the code Veritasium for $200 off your Pod Cover.

Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever:
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If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

▀▀▀

A huge thank you to Prof. Andrew Lo (MIT) for speaking with us and helping with the script.

We would also like to thank the following:
Prof. Amanda Turner (University of Leeds)
Owen Maher (Electrify Video Partners)

▀▀▀
References:

The Man Who Solved the Market: How Jim Simons launched the quant revolution, Gregory Zuckerman. Penguin Publishing Group. - https://ve42.co/GZuckerman

The Physics of Finance: Predicting the Unpredictable: Can Science Beat the Market? James Owen Weatherall. Short Books. - https://ve42.co/FinancePhysics

The Statistical Mechanics of Financial Markets, J.Voigt. Springer. - https://ve42.co/Springer

Black, F., & Scholes, M. (1973). The pricing of options and corporate liabilities. Journal of political economy, 81(3), 637-654. - https://ve42.co/BlackScholes

Cornell, B. (2020). Medallion fund: The ultimate counterexample?. The Journal of Portfolio Management, 46(4), 156-159. - https://ve42.co/Medallion

Images & Video:
Ed Thorp on The Tim Ferris Show - https://www.youtube.com/watch?v=CNvz91Jyzbg
Jim Simons on TED - https://www.youtube.com/watch?v=U5kIdtMJGc8
Jim Simons on Numberphile - https://www.youtube.com/watch?v=QNznD9hMEh0

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Adam Foreman, Anton Ragin, Balkrishna Heroor, Bill Linder, Blake Byers, Burt Humburg, Chris Harper, Dave Kircher, David Johnston, Diffbot, Evgeny Skvortsov, Garrett Mueller, Gnare, I.H., John H. Austin, Jr. ,john kiehl, Josh Hibschman, Juan Benet, KeyWestr, Lee Redden, Marinus Kuivenhoven, Max Paladino, Meekay, meg noah, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, Sam Lutfi, Stephen Wilcox, Tj Steyn, TTST, Ubiquity Ventures


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Directed by Will Wood and Derek Muller
Written by Will Wood, Emily Zhang, Petr Lebedev and Derek Muller
Camera operation by Raquel Nuno
Additional research by Gregor Čavlović
Edited by Jack Saxon and Trenton Oliver
Animated by Fabio Albertelli, Jakub Misiek, Ivy Tello, David Szakaly and Will Wood
Produced by Will Wood, Han Evans and Derek Muller

Thumbnail by Ren Hurley
Additional video/photos supplied by Getty Images and Pond5
Music from Epidemic Sound

Neuroanatomist Dr. Jill Bolte Taylor explains the 4 key ”characters” of the brain, and how understanding each can expand your perception of yourself, and the world, forever.




At age 37, neuroanatomist Dr. Jill Bolte Taylor suffered a stroke that would take her eight years to fully recover from. This is how it changed her understanding of the brain.

In this interview, Dr. Jill draws a map of the human brain, explaining how it is comprised of four distinct modules, each serving a unique role in function and personality. This combination of cognitive and emotional components gives rise to the multidimensional characters within each of us.

Are you looking to be more rational, more creative, more forgiving, or perhaps less rigid in your thinking? Dr. Jill suggests that by becoming aware of the four modules of our brains, we can consciously choose to engage specific parts. This awareness allows us to harness the true power of our brains and shape who we want to become, ultimately fostering less anxiety, more inner peace, and a vastly more purposeful life.

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About Dr. Jill Bolte Taylor:

Dr. Jill Bolte Taylor is a Harvard-trained and published neuroscientist. In 1996 she experienced a severe hemorrhage (AVM) in the left hemisphere of her brain causing her to lose the ability to walk, talk, read, write, or recall any of her life. Her memoir, My Stroke of Insight, documenting her experience with stroke and eight-year recovery, spent 63 weeks on the New York Times nonfiction bestseller list and is still routinely the #1 book in the category Stroke in the Amazon marketplace.

Dr. Jill is a dynamic teacher and public speaker who loves educating all age groups, academic levels, as well as corporations and not-for-profit organizations about the beauty of our human brain. She focuses on how we can activate the power of our neuroplasticity to not only recover from neurological trauma, but how we can purposely choose to live a more flexible, resilient, and satisfying life.

In 2008 Dr. Jill gave the first TED talk that ever went viral on the Internet, which now has well over 27.5 million views. Also in 2008, Dr. Jill was chosen as one of Time magazine’s “100 Most Influential People in the World” and was the premiere guest on Oprah Winfrey’s “Soul Series” webcast. Her new book, Whole Brain Living – the Anatomy of Choice and the Four Characters That Drive Our Life is a #1 release on Amazon in categories ranging from Neuroscience to Nervous System Diseases and Stroke.

What optical effects appear when we accelerate? Could we reach the speed of light? And what would we see when we try to go faster? All these answers in 15 minutes!

0:00 - Introduction
1:01 - Take-off
2:25 - Aberration of light
4:41 - Doppler effect
6:50 - Time dilation
7:48 - Length contraction
10:28 - Speed of light
12:24 - Warp drive

This video is narrated by Octave Masson.
For more videos, subscribe to the YouTube channel : https://www.youtube.com/ScienceClicEN
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To learn more :
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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