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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This edition of #JournalistsHangout discusses the abduction of students in Kebbi state and other security challenges.

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Sewer systems are essential to modern plumbing. Every time you flush a toilet, use a sink, or take a shower, you create liquid waste of varying chemical makeups that has to be transported and treated. You could just flush it into a septic tank, but these tanks require maintenance and come with a host of other issues when integrated en masse for modern cities. We have to manage our waste because it stinks, it contains deadly bacteria, and it has dangerous chemicals that could affect the environment.

You probably know that wastewater gets treated at a wastewater treatment plant, but let's take a look at how it gets there: sewer systems.

Thanks to Pepperonin for supporting us on Patreon and making this video possible!

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All images and videos courtesy of the creative commons or used in accordance with fair use laws. For questions or concerns, please use the contact section on our channel.

Music:

Brittle Rille - Reunited by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
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http://www.bartamaha.com
more videos, visit our site.
The Story of the Devishes (Daraawiishtii) and Sayid Mohamed Abdulle Hassan.

GENERAL AGENDA/OUTLINE

#BlackUnityHeals, #BlackTherapyCentral, #Covid19

Moderator: Baba Ka’Ba Akintunde

Welcome/instructions –Kwadwo - Online access & security logistics coordinator

Libation - Lawanga



Intro –

Mama Mawiyah & Baba Leonard Dunston (10 min)



Tribute to Our Elders –

Honoring Dr. Leonard Jeffries


BTC Mbongi – Psychological/Emotional Healing –
Dr. Jamila Codrington

Dr. Anthony Smith
Dr. Mawiyah Kambon
Afia Mbilishaka - (not pictured)


Physical well-being -
Naika Apeakorang

Dr. Bishara Wilson & Dr. Danett Bean
Dr. Sharita Yazid



Economics

Dr. Ameena Ali
Dr. Sandy Darity


Education
Dr. Kwaw and Iya Bashea Imana
Baba Wekesa Madzimoyo



Sustainability –Planning and building for the future

Dr. Afia Zakiya

Sister Nataki Kambon
Baba Hekima Kanyama



Media and Technology–
Professor Griff of Public Enemy

Baba Ka’Ba Akintunde

Baba Scotty Reid www.Blacktalkradionetwork.com



Political overview

Dr. Obadele Kambon www.RepatriateToGhana.com & www.Abibitumi.com

Dr. Kamau Kambon

Activist Sister Pam Afrika (separate video)


Culture and Spirituality -

Prof. Bayyinah Bello
Prof. James Small

Dr. Wade Nobles
Dr. Mawiyah Kambon



Closing –

Moderator: Baba Ka’Ba and BTC Network Mbongi–

Dr. Mawiyah Kambon
Dr. Jamila Codrington

Dr. Anthony Smith
Dr. Afiya Mbilishaka

Dr. Wade Nobles

Nataki Kambon



Special thanks to Abibitumi.com technician on cyber security keeping trolls and spammers off the call – Baba Kwadwo Tokunbo, Mama Kala Kambon web and promotional ****istant, Dr. Obadele Kambon Linguist – Symbols and Proverbs

In this video, Bla Xit Messenger Roger expresses his enthusiasm about coming home to Africa!

Special thanks to Makonnen Sankofa (Video Editor). Subscribe to Makonnen's YouTube channel for more great content https://www.youtube.com/channe....l/UCiP8DHZ_eEFLJdOn7

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Have you heard of Inductive and Deductive Reasoning? How is it used in Mathermatics? What does Conjecture mean? Watch this video to know more…

To watch more High School Math videos, click here - https://bit.ly/HighSchoolMath_DMYT

Don’t Memorise brings learning to life through its captivating educational videos. To Know More, visit https://DontMemorise.com

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#Mathematics #Induction

In this video, we visit a Gambian family owned business to show you business enterprise potential in Africa and the range of products available. We was given excellent customer service by Lamin (staff member).

Thanks to recent Bla Xit donators: Zandela Soares, Beverly Daniel, Yafatou Fye, Johnston Designs, Maurice Rigaud, Jamil Potter, Patricia Ejiofor, Steven Williams, Stephanie Nwadiei.

If you would like to support the Bla Xit channel so we can continue producing more content, you can send a donation via PayPal to bopcollective@yahoo.com

Become a Bla Xit Messenger (Subscribers only) by sending your video clip to blaxithome@gmail.com

Music in the video: Risks by MPRA. Subscribe to MPRA Beats on YouTube https://www.youtube.com/channe....l/UCYfEpquqRWQW0pO_k

Special thanks to Makonnen Sankofa (Bla Xit Cameraman & Video Editor). Subscribe to Makonnen's YouTube channel https://www.youtube.com/channe....l/UCiP8DHZ_eEFLJdOn7

Special thanks to our friend and YouTube Vlogger Wode Maya for helping to set-up the Bla Xit channel. You can follow him on YouTube too https://www.youtube.com/user/MrGhanaBaby