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The Green Sahara
The Green Sahara Kwabena Ofori Osei 31 Views • 2 years ago

In this video essay we take a deep dive into the enduring mystery of the African Humid Period or the Green Sahara. A period about 16,000-5,000 years ago when monsoonal rains brought a lush grassland to the Sahara Desert. We will be exploring the ancient civilizations that once called this land home as well as the biodiversity it once housed. All in an attempt to learn more about the mysterious and fascinating cultures that once existed in the Green Sahara.

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VIDEO CHAPTERS
00:00 Intro
03:53 Ghosts of the Green Sahara
05:20 The Cave of Swimmers
07:45 When The Sahara Was Green
15:46 Back In Time
24:33 The Kufra River
28:32 The Wadi Sahabi Paleoriver
34:22 Lake Mega Chad
40:17 Gobero Burials Reprise
53:49 Ghosts of the Monsoon
57:48 Thank You and Outro

CITATIONS
1: https://paulsereno.uchicago.ed....u/discoveries/people
2: https://www.bradshawfoundation.....com/africa/gilf_keb
3: https://www.nature.com/articles/s41467-023-41219-4
4:https://www.researchgate.net/p....ublication/283719223
5: [https://comptes-rendus.academi....e-sciences.fr/geosci the plausible assumption that,2 between the Tibesti%2C Al](https://comptes-rendus.academi....e-sciences.fr/geosci%20the%20plausible%20assumption%20that,2%20between%20the%20Tibesti%2C%20Al)
6: https://www.sciencedirect.com/....science/article/pii/
7:https://www.researchgate.net/p....ublication/279629642
8: https://www.researchgate.net/f....igure/Location-maps-

Loose Ends: String Theory and the Quest for the Ultimate Theory | 2019
Loose Ends: String Theory and the Quest for the Ultimate Theory | 2019 Ambakisye-Okang Dukuzumurenyi 26 Views • 5 years ago

Thirty-five years ago string theory took physics by storm, promising the coveted unified theory of nature’s forces that Einstein valiantly sought but never found. In the intervening decades, string theory has brought a collection of mind-boggling possibilities into the lexicon of mainstream thinking—extra dimensions of space, holographic worlds, and multiple universes. Some researchers view these developments as symptoms of string theory having lost its way. Others argue that string theory, although very much still a work in progress, is revealing stunning new qualities of reality. Join leading minds in theoretical physics for a whirlwind ride through the twists and turns of string theory—its past, its future, and what it tells us about the search for the universe’s final theory.

PARTICIPANTS: Marcelo Gleiser, Michael Dine, Andrew Strominger

MODERATOR: Brian Greene

MORE INFO ABOUT THE PROGRAM AND
PARTICIPANTS:
https://www.worldsciencefestiv....al.com/programs/loos

This program is part of the BIG IDEAS SERIES, made possible with support from the JOHN TEMPLETON FOUNDATION.

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TOPICS
0:00 - Introduction
3:54 - Program introduction
5:40 - Marcelo Gleiser introduction
6:26 - Unification of electricity and magnetism
10:30 - Unification of space and time
13:49 - Einstein’s General Theory of Relativity
18:38 - Standard model of particle physics
21:56 - Supersymmetry
26:14 - The Island of Knowledge
32:01 - Godel’s Incompleteness Theorems
34:27 - String Theory explainer film
37:07 - Michael Dine introduction
38:35 - Supersymmetry and the spectrum of particles
42:18 - Large Hadron Collider
44:57 - Extra dimensions of space
50:34 - Dark energy and multiple universes
56:40 - Progress since the 1980s and the future of particle physics
59:55 - Andrew Strominger introduction
1:00:53 - Einstein and black holes
1:03:59 - The black hole information paradox
1:07:30 - Stephen Hawking’s insights into black holes
1:12:00 - Using string theory to understand black holes
1:19:33 - Conformal symmetry
1:22:48 - Andrew Strominger’s view of string theory

CREDITS
- Produced by Laura Dattaro
- Associate Produced by Peter Goldberg
- Editing and Animation by Josh Zimmerman
- Music provided by APM
- Additional images and footage provided by: Getty Images, Shutterstock, Videoblocks, Event Horizon Telescope
- Recorded at NYU Skirball Center

Horror in the Congo: How The Nightmare Began
Horror in the Congo: How The Nightmare Began Kwabena Ofori Osei 38 Views • 2 years ago

The story of King Leopold of Belgium’s brutal regime in the Congo Free State, during the late 19th century, is one of the darkest and most important in global history. It is a story of horror - the murky depths of the human soul pushed to its primal limits, European colonialism and the first Scramble for Africa, royalty and politics, celebrity, and modernity. From that pit of depravity, in which the Congolese people endured unimaginable suffering at the hands of their dehumanising western drivers, the first human rights campaign was born, and one of the most seminal novels of all time. So, how was it that the Congo, Africa’s as yet unplundered, un-impenetrable, and deeply mysterious core in the late 1870’s, became the private financial reservoir of one ambitious monarch, while Europe looked on? What occurred during the reign of terror he unleashed there, and why? And, who was King Leopold himself, the troubled, cunning and utterly twisted individual behind it all?

Join Dominic and Tom as they lead us - following in the footsteps of Henry Morton Stanley, the explorer who first pierced the shadowy veil of the Congo in Africa’s interior, and let it bleed into the hands of King Leopold himself - deep into the heart of darkness. As the curtain is lifted from the Congo’s formerly obscuring unknowability, her people's grotesque future of abominable exploitation is revealed, along with man’s capacity for evil, and the demonic greed of one man in particular…


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00:00 Intro
06:28 Introducing Leopold
14:33 Why the Congo?
24:35 Henry Morton Stanley comes into the picture
32:00 Congo before the Belgians
43:13 Leopold’s plan is sprung into action
57: 06 Leopold finally secures his fiefdom

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Producer: Theo Young-Smith
Assistant Producer: Tabby Syrett
Executive Producers: Jack Davenport + Tony Pastor

De- Politicisation of Culture - (Pan-Afrikan Culture & Economics in Practice pt4)
De- Politicisation of Culture - (Pan-Afrikan Culture & Economics in Practice pt4) ShakaRa 39 Views • 7 years ago

Full presentation: https://www.youtube.com/watch?v=Q1GFqTGpvzg

This is the fuller version of the presentation I delivered at the Re-Engaging Pan-Africanism Conference at Birmingham City University, Dec 2018.

The presentation explores the relationship between Culture & Economics as an attempt to:
Rescue "culture" from reductive definitions by demonstrating the relationship between it & economic development.
Demonstrate how revolutionary movements have pursued economic development from a culturally appropriate foundation.
Its pre-recorded, but will be broadcast with a live chat. I look forward to hearing your feedback.

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Patricia Bla Xit Messenger
Patricia Bla Xit Messenger Blaxit 35 Views • 6 years ago

In this video, Bla Xit Messenger Patricia expresses her desire to return to Africa.

Go on
www.bla-xit.com

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