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Rarely seen footage of Martin Luther King, Jr., speaking to students at Barratt Junior High School in Philadelphia on October 26, 1967, where he delivered his speech "What Is Your Life's Blueprint?"
Video used by permission of The School District of Philadelphia. All rights reserved.
Speech reprinted in A Time to Break Silence: The Essential Works of Martin Luther King, Jr., for Students, part of the King Legacy Series, published by Beacon Press. This is the first time the speech has been published in its entirety.
About A Time to Break Silence: http://www.thekinglegacy.org/b....ooks/time-break-sile
Learn more about the King Legacy Series: http://www.thekinglegacy.org
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Buy A Time to Break Silence:
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Lake Turkana is the largest desert lake in the world, it measures about 249 km long by an average width of 30 km but 48 km at its widest; it is 35m deep.
The lake is endowed with humble resources of fish on the eastern side that has always been a source of livelihoods for communities living along this lake.
The sector is contributing to improvement of livelihoods and because of simple and affordable technologies harvesting, handling and distribution has been made easier
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Where do we get our mathematical symbols from? Why is the set of integers called ℤ ? When was the equals sign first used? How about zero? Good notation tends to catch on quickly, whereas bad notation can obscure beautiful theory.
The lecture explores how the introduction of new notation has paved the way for new leaps in understanding, and considers some mathematical quirks of language, such as what the number 4 in English has in common with the number 11 in Russian.
A lecture by Sarah Hart
The transcript and downloadable versions of the lecture are available from the Gresham College website:
http://www.gresham.ac.uk/lectu....res-and-events/maths
Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 2,000 lectures free to access or download from the website.
Website: https://gresham.ac.uk
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In collaboration with the UC San Diego Center for Integrative Nutrition, the Berry Good Food Foundation convenes a panel of experts to discuss the rise of comprehensive medicine and nutritional healing to treat chronic disease and maintain general well-being. [6/2018] [Show ID: 33486]
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This algebra and precalculus video tutorial explains how to solve exponential growth and decay word problems. It provides the formulas and equations / functions that you need to solve it. This video contains plenty of examples and practice problems.
My Website: https://www.video-tutor.net
Patreon Donations: https://www.patreon.com/MathScienceTutor
Amazon Store: https://www.amazon.com/shop/th....eorganicchemistrytut
Here is a list of example problems.
1. Population Growth of Rabbits on an island
2. Depreciation of car value
3. Appreciation of Home value
4. Exponential Growth Bacteria Problem - Finding how much will there if the bacteria doubles or triples every 20 minutes
Jim explores what are the most popular interpretations of quantum mechanics and how we might need to be a little more specific when we talk about ‘reality’.
Jim's book "Quantum Reality" is now available on Amazon: https://geni.us/OF5X
Watch the Q&A: https://youtu.be/Udy2Rs-t47o
Jim Baggott is an award-winning science writer. He trained as a scientist, completing a doctorate in chemical physics at the University of Oxford in the early 80s, before embarking on post-doctoral research studies at Oxford and at Stanford University in California.
He gave up a tenured lectureship at the University of Reading after five years in order to gain experience in the commercial world. He worked for Shell International Petroleum for 11 years before leaving to establish his own business consultancy and training practice. He won the Royal Society of Chemistry’s Marlow Medal for his contributions to scientific research in 1989.
This talk was streamed live by the Ri on 14 July 2020.
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Lucie Green takes us on a journey from the centre of the sun to planet earth in a run-down of the latest solar physics research.
Watch the Q&A here: https://www.youtube.com/watch?v=0JkxTILe2Nk
Lucie's book "15 Million Degrees: A Journey to the Centre of the Sun" is available to buy now - https://geni.us/2oB8V
110 times wider than Earth; 15 million degrees at its core; an atmosphere so huge that Earth is actually within it: come and meet the star of our solar system.
Light takes eight minutes to reach Earth from the surface of the Sun. But its journey within the Sun takes hundreds of thousands of years. What is going on in there? What are light and heat? How does the Sun produce them and how on earth did scientists discover this? Since the Royal Institution was founded in 1799 our knowledge of the Sun has changed dramatically and much of the work was carried out at the Ri.
Join Lucie Green for an enlightening talk, taking you from inside the Sun to its surface and to Earth, to discover how the Sun works, how a solar storm can threaten the modern technology that society relies on and more of the latest research in solar physics.
Lucie Green is a Professor of Physics based at the Mullard Space Science Laboratory, UCL’s Department of Space and Climate Physics. She studies activity in the atmosphere of our nearest star, the Sun. In particular, she looks at immense magnetic fields in the Sun’s atmosphere which sporadically erupt into the Solar System.
Lucie is very active in public engagement with science, regularly giving public talks and appearing on TV shows like Sky at Night.
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