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Learn more about ATP: how it stores energy, and how that energy is released when it's converted to ATP and phosphate.
Watch the next lesson: https://www.khanacademy.org/science/biology/energy-and-enzymes/atp-reaction-coupling/v/atp-hydrolysis-mechanism?utm_source=YT&utm_medium=Desc&utm_campaign=biology
Missed the previous lesson? https://www.khanacademy.org/science/biology/energy-and-enzymes/free-energy-tutorial/v/endergonic-exergonic-exothermic-and-endothermic-reactions?utm_source=YT&utm_medium=Desc&utm_campaign=biology
Biology on Khan Academy: Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/complex_num_precalc/e/the-imaginary-unit-and-complex-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Watch the next lesson: https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/complex_num_precalc/v/plotting-complex-numbers-on-the-complex-plane?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Missed the previous lesson?
https://www.khanacademy.org/math/precalculus/imaginary_complex_precalc/i_precalc/v/i-as-the-principal-root-of-1-a-little-technical?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn't mean anything unless you have some knowledge of what calculus is. Let's keep it simple, shall we? Calculus is a conceptual framework which provides systematic techniques for solving problems. These problems are appropriately applicable to analytic geometry and algebra. Therefore....precalculus gives you the background for the mathematical concepts, problems, issues and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices, and others. There you have it ladies and gentlemen....an introduction to precalculus!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
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The vowel O can make a short /ล/ sound or a long /ล/ sound. Learn about the vowel o with Reya the Red Panda from Khan Academy Kids!
Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade.
Available on Google Play, Apple, and Amazon app stores:
โก๏ธ http://khan.co/KhanKids-YT-Google
โก๏ธ http://khan.co/KhanKids-YT-Apple
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You can also access other videos on vowels and vowel teams on our Vowels and Vowel Teams playlist here: http://khan.co/KhanKids-Vowels.
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Today on Circle Time with Khan Academy Kids, Caroline and her friend Sophie read the book โSandy Saysโ by Cynthia Platt. Join Sandy, Reya, and Ollo as they play a fun game together that you can play too!
Donโt miss our printable activities for hands-on fun!
http://khan.co/KhanKids-Printables
Learn more about Khan Academy Kids, our free educational app for children ages 2-7 at http://www.khankids.org.
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Reya and Goat are having fun in the snow! The letters "o" and "a" team up to make the long /ล/ sound. The letters "o" and "w" team up to make the long /ล/ sound too. Learn about vowel teams with Reya the Red Panda from Khan Academy Kids.
Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade.
Available on Google Play, Apple, and Amazon app stores:
โก๏ธ http://khan.co/KhanKids-YT-Google
โก๏ธ http://khan.co/KhanKids-YT-Apple
โก๏ธ http://khan.co/KhanKids-YT-Amazon
You can access other videos about vowel teams on our playlist here: http://khan.co/KhanKids-VowelTeams.
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Sigurd had even ordered all of his men to putย severed heads of the men they had slain on their horses for the ride home to show the people how he had won a great victory and killed his enemies! ย Unfortunately for Sigurd, he was about to suffer one of the strangest deaths in history! ย ย
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Major Mike, is here with a vengeance! Armed with his tactical knife, he's here to do his duty and head into battle. Get the limited edition, (3 weeks only) Simple History plushie! here: https://makeship.com/products/major-mike
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We hear how threats to national security are neutralized and traced through electronic media. Impressive technological advances have made it possible.
The need for this practice was always felt in ancient civilizations such as Ancient Greece.
The Spartans employed the same kinds of methods to help keep the population submissive.
This was done through the โCrypteiaโ, a type of secret police, in Sparta.
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Credit:
Created by Daniel Turner
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Chris Kane
https://vocalforge.com/
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Impact Intermezzo by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
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Sources:
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So it is the mid-1960s and you are a raw recruit who has just arrived in Vietnam.
The country is involved in a bloody and intense civil war, so how do you survive this experience?
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Credit:
Created by Daniel Turner
Script: Conan White
Narrator:
Chris Kane
https://vocalforge.com/
Music Credit:
Drums of the Deep Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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The Battle of Goose Green was the first land battle of the Falklands War.
Starting in the early hours of the 28th of May and ending the following day, the battle saw men from the British 2nd Battalion of the Parachute Regiment (2 PARA) against an enemy more than three times as numerous.
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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Dejan Milivojevic
Narrator:
Chris Kane
https://vocalforge.com/
Sources:
Fremont-Barnes, Gregory. Goose Green 1982. Dundurn, 2016.
Anderson, Duncan. The Falklands War 1982. Osprey, 2002.
Fremont-Barnes, Gregory. A Companion to the Falklands War. History Press, 2017.
Upshon, Carl. "Battle of Goose Green - How 450 Men from 2 Para Defeated over 1200 Enemy Troops." Medium. July 18, 2017.
The Official History of the Falklands Campaign, Volume 2: War and Diplomacy (Government Official History Series) 28 Jun. 2005
by Lawrence Freedman
#Shorts
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Operation Valkyrie
July 20th, 1944, Claus von Stauffenberg and other conspirators attempt to assassinate Adolf Hitler, inside the Wolf's Lair , East Prussia.
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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Conan White
Narrator:
Chris Kane
https://vocalforge.com/
Music Credit:
Gloom Horizon by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/
Sources:
Von Schlabrendorff, F., 2018. The secret war against Hitler. Routledge.
The Plots Against Hitler by Danny Orbach
Head of Zeus Ltd, 13 Jul 2017
Mommsen, H., & McGeoch, A. (2008). Germans against Hitler: the Stauffenberg plot and resistance under the Third Reich. IB Tauris & Company Limited.
Kill Hitler: Operation Valkyrie 1944 (Raid Book 40)
by Neil Short
Operation Valkyrie
The German Generals' Plot Against Hitler
By Pierre Galante, Eugรจne Silianoff ยท 2002
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War Thunder is a highly detailed vehicle combat game containing over 2000 playable tanks, aircraft and ships spanning over 100 years of development, immerse yourself completely in dynamic battles with an unparalleled combination of realism and approachability.
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None of the BADGUYS could have possibly known that a professional British SAS soldier was quickly moving toward their position to eliminate them. Wearing body armor, a balaclava, and a pair of jeans, Craighead aka 'Obi Wan Nairobi ' got to work.
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Credit:
Created by Daniel Turner
Script by Conan White & Daniel Turner
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https://vocalforge.com/
Music Credit:
Long Note Four by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
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Credit:
Created by Daniel Turner
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www.vocalforge.com
Music Credit
'Failing Defense' , 'All This - Scoring Action' , 'Cortosis - Scoring Action' by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
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Eyes of Glory- Aakash Gandhi
Sources / further reading:
S. Zaloga, V. Madej, The Polish Campaign 1939, 1991.
G.L. Weinberg, A World at Arms, A Global History of World War II, 1994
S. Zaloga, Poland 1939, The Birth of Blitzkrieg, 2002.
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Created by Daniel Turner
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Eyes of Glory - Aakash Gandhi
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The 369th Infantry Regiment was constituted on 2nd June 1913 in the New York Army National Guard as the 15th New York Infantry Regiment. And would become known as the first โAfrican-American regimentโ to serve with the American Expeditionary Forces during World War I.
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https://ckvox.com/
Artwork:
Daniel turner
Direction, Animation:
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Music:
'The Descent',"Prelude and Action"
by Kevin MacLeod (incompetech.com)
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Credit:
Created by Daniel Turner
script:
Mike Edge
Narrator:
Chris Kane
www.vocalforge.com
Music Credit
Epic Battle Speech - Wayne Jones
This physics video tutorial provides a basic introduction into the doppler effect of moving sound waves. it explains how to solve doppler effect problems in physics. Any time the source moves toward the observer or if the observer moves toward the source, the detected frequency will increase - that is - the observed frequency will be greater than the frequency emitted by the source. The source can be an ambulance truck or a police siren. If the source moves away from the observer or if the observer moves away from the source, the detected frequency will decrease. This video contains plenty of examples and practice problems of calculated the frequency detected by the observer.
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