Physicist Brian Greene takes you on a visual, conceptual, and mathematical exploration of Einstein’s spectacular insights into space, time, and energy. In just 11.5 hours, using nothing more advanced than high school algebra, journey from Einstein’s earliest musings on the speed of light to his startling realization that time can tick at different rates to his revolutionary discovery of the world’s most famous formula, E = mc2.

This is a more in-depth and mathematical version of the WSU Master Class “Space, Time, and Einstein.” https://youtu.be/CKJuC5CUMgU

#WorldSciU

Watch the class in full or view in segments via the chapter links below.

Experience the associated free online course at World Science U: https://worldscienceu.com/cour....ses/special-relativi

0:00 - Introduction
01:43 - Scale
05:46 - Speed
18:19 - The Speed of Light
27:39 - Units
33:28 - The Mathematics of Speed
44:24 - Relativity of Simultaneity
54:25 - Pitfalls: Relativity of Simultaneity
1:03:32 - Calculating the Time Difference
1:18:42 - Time in Motion
1:28:48 - How Fast Does Time Slow?
1:46:32 - The Mathematics of Slow Time
1:57:11 - Time Dilation Examples
2:10:51 - Time Dilation: Experimental Evidence
2:19:58 - The Reality of Past, Present, and Future
2:34:01 - Time Dilation: Intuitive Explanation
2:37:57 - Motion's Effect On Space
2:55:11 - Motion's Effect On Space: Mathematical Form
3:00:47 - Length Contraction: Travel of Proxima Centauri
3:07:46 - Length Contraction: Disintegrating Muons
3:12:00 - Length Contraction: Distant Spaceflight
3:18:54 - Length Contraction: Horizontal Light Clock In Motion
3:27:17 - Coordinates For Space
3:36:37 - Coordinates For Space: Rotation of Coordinate Frames
3:48:36 - Coordinates For Space: Translation of Coordinate Frames
3:53:10 - Coordinates for Time
4:07:12 - Coordinates in Motion
4:26:08 - Clocks in Motion: Examples
4:35:02 - Clocks in Motion: Length Expansion From Asynchronous Clocks
4:38:42 - Clocks in Motion: Bicycle Wheels
4:45:01 - Clocks in Motion: Temporal Order
4:54:35 - Clocks in Motion: How Observers Say the Other's Clock Runs Slow?
5:08:50 - The Lorentz Transformation
5:16:52 - The Lorentz Transformation: Relating Time Coordinates
5:26:10 - The Lorentz Transformation: Generalizations
5:33:18 - The Lorentz Transformation: The Big Picture Summary
5:47:37 - Lorentz Transformation: Moving Light Clock
5:54:39 - Lorentz Transformation: Future Baseball
6:02:35 - Lorentz Transformation: Speed of Light in a Moving Frame
6:08:43 - Lorentz Transformation: Sprinter
6:10:44 - Combining Velocities
6:17:46 - Combining Velocities: 3-Dimensions
6:27:45 - Combining Velocities: Example in 1D
6:30:23 - Combining Velocities: Example in 3D
6:36:34 - Spacetime Diagrams
6:50:35 - Spacetime Diagrams: Two Observers in Relative Motion
7:01:16 - Spacetime Diagrams: Essential Features
7:11:42 - Spacetime Diagrams: Demonstrations
7:15:23 - Lorentz Transformation: As An Exotic Rotation
7:27:26 - Reality of Past, Present, and Future: Mathematical Details
7:39:00 - Invariants
7:43:55 - Invariants: Spacetime Distance
7:54:25 - Invariants: Examples
7:59:19 - Cause and Effect: A Spacetime Invariant
8:12:40 - Cause and Effect: Same Place, Same Time
8:22:37 - Intuition and Time Dilation: Mathematical Approach
8:29:46 - The Pole in the Barn Paradox
8:43:51 - The Pole in the Barn: Quantitative Details
9:04:43 - The Pole in the Barn: Spacetime Diagrams
9:08:25 - Pole in the Barn: Lock the Doors
9:20:50 - The Twin Paradox
9:29:28 - The Twin Paradox: Without Acceleration
9:46:34 - The Twin Paradox: Spacetime Diagrams
9:53:12 - Twin Paradox: The Twins Communicate
10:06:34 - The Relativistic Doppler Effect
10:19:00 - Twin Paradox: The Twins Communicate Quantitative
10:30:17 - Implications of Mass
10:40:06 - Force and Energy
11:00:12 - Force and Energy: Relativistic Work and Kinetic Energy
11:07:24 - E=MC2
11:26:28 - Course Recap

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In this video lesson, we are going to talk about transformation and symmetry. This is one of the topics in Math in the Modern World Patterns 🔔 Watch Math in Nature and Arts Playlist: https://bit.ly/3q1C5kZ⏲️ Timestamps ⏲️Introduction: (0:00)What is a transformation (3:21)What is Translation? (3:33)What is Reflection Symmetry (3:55)What is a Rotational Symmetry (4:19)What is Dilation (5:09)What is an isometry (5:34)What is symmetry (9:12)Designs and patterns in mathematics (10:53)Types of symmetries (11:50)Want to watch more videos like this?📺 SUBSCRIBE to my channel here: http://bit.ly/mathhubtv🌐 Website: https://mathhubtutorial.com/mathvideotutorials/👍 Facebook: https://www.facebook.com/mathhubtutorials🐦Twitter: https://twitter.com/mathhub303 🙋‍♂️ Have questions? I'm here to help you learn your math courses in an easy way. Leave a comment below and I will try to answer it as soon as I can. You can also leave topics that you need help with and I will create those videos for you.

Javascript is one of most popular languages for 2020. This language lets your build full stack applications using just one single language unlike many other languages

Easy to to learn and powerful, Javascript is a must. Upon completion of this course you will a solid foundation enabling to start to building backend applications using NodeJS and frontend applications using React of Vue

Let's go.

► Table of contents

00:00:00 - Intro
00:04:00 - Quick word before we begin
00:09:00 - What we are going to learn in this section
00:57:00 - The Setup
00:12:15 - Variables
00:18:43 - Objects
00:27:06 - Arrays
00:35:41 - Arithmetic Operators
00:39:47 - Functions
00:56:23 - Loops
1:05:40 - Break and Continue Keywords
1:10:15 - If Statements
1:16:04 - Switch Statement
1:31:43 - Logical and Comparison Operators
1:29:38 - Type Coercion
1:35:42 - Single vs Double Quotes
1:39:37 - Map | Filter | Reduce functions
1:48:17 - Callbacks
1:54:27 - Wrap up
1:55:16 - Name Exports and Imports
1:58:54 - Name Exports and Imports PART 2
2:00:58 - Default Exports and Imports
2:03:57 - Variable Scope and Let Keyword
2:06:05 - Const Keyword
2:09:40 - Template Literals
2:12:21 - Spread Operators on Arrays
2:17:23 - Spread Operators on Objects
2:19:35 - Arrow Functions
2:24:06 - Lexical and the this keyword
2:29:04 - Enhanced Object Properties
2:33:30 - Array Destcructuring
2:37:00 - Object Destcructuring
2:41:13 - More on object destcructuring
2:43:43 - Function Default Parameters
2:47:24 - Classes in a nutshell
2:49:17 - Creating classes
2:57:21 - Inheritance
3:07:40 - Static methods
3:09:38 - Promises Keynote
3:11:41 - Creating Promises
3:15:54 - Promise.all
3:22:55 - Promises and Fetch API
3:30:51 - Generators Keynote
3:33:36 - Your first Generator
3:38:30 - More on Generators
3:42:27 - Coroutines Keynote
3:44:34 - Generators Promises and Coroutines
3:53:22 - Intro to Async Await
4:02:30 - From generators to Async Await
4:07:20 - Handling Errors
4:09:20 - Wrap up

Links
➡️ Enrol here for free - https://bit.ly/390XvFe
➡️ Clone Repo here - https://github.com/amigoscode/javascript
➡️ Javascript Documentation - https://developer.mozilla.org/....en-US/docs/Web/JavaS

▶️ Don't forget to subscribe | http://bit.ly/2HpF5V8
▶️ Join Closed Facebook Group for discussion and early access videos and courses | http://bit.ly/2FbuIkx
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Next recommended courses
➡️ ReactJS Course - https://bit.ly/3b8spNg
➡️ NodeJS and Express course - https://bit.ly/3bbdcLx

Ooops almost forgot

▶️ Don't forget to subscribe | http://bit.ly/2HpF5V8
▶️ Join Closed Facebook Group for discussion and early access videos and courses | http://bit.ly/2FbuIkx
▶️ Follow me on Instagram | http://bit.ly/2TSkA9w

Catch you on the next one...

Meet the brides and grooms defying the jihadist militants who have been laying siege to the Nigerian city of Maiduguri.

Subscribe to our channel for more Unreported World episodes https://www.youtube.com/unreportedworld.

Maiduguri is the spiritual home of Boko Haram, a terrorist group at the centre of an insurgency that has killed more than 36,000 people, and displaced over two million more.

With Covid lockdowns over, and the militants driven out, reporter Yousra Elbagir discovers a city determined to reclaim the joy of weddings despite the ongoing risk of kidnappings and attacks.

Producer/Director: Wil Davies
Executive Producer: Nevine Mabro
Series Producer: Andy Lee
Production Company: ITN/Channel 4 News

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