2.2 Representing numbers: positive integers
Computers are all around us: in cars, kitchen scales, digital cameras, etc. But how do they store the data they hold? This unit will help you to understand how the data in a computer represents something in the outside world. You will also explore how ASCII code and Unicode are used to control data.
This module opens with statistics and a description of autism and how the disorder has been viewed historically. Studies now support the theory that autism results from a lack of normal neural growth during prenatal development. Dr. Temple Grandin of Colorado State University, severely autistic as a child, is presented as someone who overcame her autism and managed to us
Human Population Dynamics
The human population of our planet now exceeds 6.5 billion and is rising. Much of this growth is projected for the most environmentally fragile regions of the world. Will studying the history of the world's population growth help predict the Earth's "carrying capacity"?
Will world population outrun food resources? The "Green Revolution" of the 20th century multiplied crop yields, in part through increasing inputs of pesticides and fertilizers. How can farmers reduce their use of agricultural chemicals and still produce enough food?
Sunlight and Seasons
Workshop 8: The International Picture
This workshop offers an opportunity to investigate various aspects of the Third International Mathematics and Science Study (TIMSS), other than the test scores themselves. Distinguished Professor of Educational Psychology William Schmidt presents differences in curricula, textbooks, and teaching practices around the world, and a group of community members discuss how the
Ted Wragg – A Lesson to Us All
This tribute from Teachers TV to the late lamented Ted Wragg tracks his life and career, and outlines the significant impact he has had on the world of education over the past forty-five years.
The Microbial Universe
The world of microorganisms is a dynamic one, and all other life forms depend on microbial metabolic activity. Recent genetic research has uncovered only about one percent of the microbes that remain to be discovered.
Workshop 1: What is Energy?
Interviews about energy with children, scientists, and people on the street reveal the wide range of concepts that teachers encounter. In this session, you will look at the differences between the everyday language of energy and the scientific concept, see highlights of its history, and learn its importance in our understanding of the world.
GTIP: Maps with Latitude
Extracts from a GA 'Theory into Practice' publication, which discusses new approaches to studying the globe and to selecting and using world maps.
Overturn of Same Sex Ban in California.
Journalist Joe Garofoli, San Francisco Chronicle, spoke by phone about a federal court judge's ruling that overturned California's ban on gay marriage. A good lesson about checks and balances and the judical branch and civil rights. A short video that goes through the elements of the case and it sets the stage for a debate in class as well as the importance of reporters and journalism in letting people know what is happening in the world
Donald Duck In Mathmagic Land (Part 3 of 3) Perception: Inverted Vision Indian Muslims in the past and present Lecture on Narrative Essay Part 2 Ghana Slave Dungeon John Humphrey speaks on China Sarah Cook speaks on China The American Revolution "Death of The Ball Turret Gunner" Poem by Randall Jarrell
The peculiar image inversion process that takes place in the normal visual system is examined in this module. The program traces the experiences of an art student who volunteers to wear lenses that invert her visual world, connecting the adaptation process she undergoes with how the visual system functions. Graphic animations reinforce understanding of the mechanism invo
This video gives a glance of what Indian Muslims are and their contribution to India, Islamic Ummah and to the world. Islam in India is the second-most practiced religion after Hinduism. There are approximately 174 million Muslims in India (census 2001), i.e 16.4% of the population. India has the second largest population of Muslims in the world (the largest being Indonesia). The contribution of Muslim revolutionaries, poets and writers is immense in India's struggle against the British. Maulana
Continuation from part 1 on the lecture on writing narrative essays. The narrator on this part reads an example narrative called "Champions of the World". It describes memories of boxing matches. The purpose and the metaphores in the essay are analyzed.
Built by European traders in the 17th century, Ghana's Cape Coast Castle was the point of departure for the countless numbers of Africans who were sent to the New World as free labor for the colonies. Join Explore founder Charles Annenberg Weingarten on a virtual tour of the slave dungeon, and witness the horrific conditions the captives were forced to endure while waiting to be sent across the Atlantic. Run time 04:31.
John Humphrey, Research Fellow from the Institute of Development Studies speaks on China and what it's continued growth means for Africa and the rest of the world.
Sarah Cook, Research Fellow with the Institute of Development Studies speaks on the growing importance of China and it's impact on Africa and the rest of the world.
On April 19, 1775, the shot heard round the world was fired at the Battle of Lexington and Concord beginning America's Revolutionary War. In this video you will learn what lead to the war, and the things that happened as a result.
Author and poet Randall Jarrell reads his five-line poem (1945) about the experience of belly turret gunners in World War II. This video shows newsreel footage from WWII, and includes appropriately eerie, mournful background music. (1:15)
Perception: Inverted Vision
Indian Muslims in the past and present
Lecture on Narrative Essay Part 2
Ghana Slave Dungeon
John Humphrey speaks on China
Sarah Cook speaks on China
The American Revolution
"Death of The Ball Turret Gunner" Poem by Randall Jarrell