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How do climate changes in Greenland and Antartica affect weather for the rest of the world?
How do climate changes in Greenland and Antarctica affect weather for the rest of the world?" Alan Rodger – British Antarctic Survey. Addressing polar region study as a whole, the interactions between the physical, chemical, biological, solar, human, space and solar, marine life, climate, geological aspects. Run time 03:39.
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The Electric Field
Michael Faraday's vision of lines of constant force in space laid the foundation for the modern idea of the field of force. Electric fields of static charges; Gauss' law and the conservation of flux.
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The Lorentz Transformation

If the speed of light is to be the same for all inertial observers (as indicated by the Michelson-Morley experiment) the equations for time and space are not difficult to find. But what do they mean? They mean that the length of a meter stick, or the rate of ticking of a clock depends on who measure it.


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Gallery of Auroras
Auroras are natural atmospheric phenomena created when the solar wind interacts with Earth's magnetosphere, which means that an increase in aurora activity indicates an increase in space weather. In this interactive slideshow from NOVA Online, see stunning images of auroral displays and learn about where and how auroras are formed.
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What Causes the Gulf Stream?
Even with the waves lapping at their feet, few people consider ocean currents and their importance to global climate. Although the Gulf Stream cannot be seen flowing by off North America's East Coast, in Western Europe, the current's warming effect is undeniable. This video segment adapted from NOVA uses satellite imagery to illustrate the Gulf Stream's path and animations to explain how atmospheric phenomena cause it to move.  Closed captioning included.  Run time 01:51.
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How to Free Up Space on your PC
Step 1: Free Up Some Space
If you want to speed up your PC, the first step is to go to your Start menu and find the System Tools, group under the Accessories heading. Click on Disk Cleanup.

Step 2: Defrag It
Return to System Tools and run your disk defragmenter. Over time the information on your computer becomes scattered. The Defragger will organize the info and your computer will spend less time searching.
Step 3: Bewar

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Ask the Expert: Meteors
Ask the Astrophysicist, Neil deGrasse Tyson goes to the park to see if anyone has any questions.  A boy in the park asks, “How fast does meteorite moves in space?”  He explains that meteor moves through space and if you find it on the ground then it is a meteorite.  Sometimes the speed is 10-15 miles per second.   He then shows the children friction and explains how the atmosphere protects us from meteorites.  Author(s): No creator set

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What is a Meteor?

Video answers the question: What is a Meteor? A meteorite is a natural object originating in outer space that survives an impact with the Earth's surface. While in space it is called a meteoroid. When it enters the atmosphere, impact pressure causes the body to heat up and emit light, thus forming a fireball, also known as a meteor or shooting star.  Very bright meteorites are called fireballs. On very rare occasions meteorites hit t
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What is the Solar Cycle? (continued)
Part 2 "What is the solar cycle?" Joe Borovsky – Los Alamos National Lab. Examines space data from satellites. The effects of the solar wind on the earth changes with the solar year wind changes. Examines solar communication disruption during the geomagnetic storms. Run time 02:31.
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Look! Up in the Sky! The Very Best of Hubble
This video features fascinating images as seen through the lens of the Hubble telescope and is suitable for all ages. Contains content from NATOarts. The very best images from the Hubble Space Telescope have been blended with music from "Beat of the Moment" to bring you this mind blowing interstellar experience http://hubblesite.org/
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Hubble Telescope: What It Has Shown Us
The Hubble Space Telescope was launched on 24 April, 1990. This tool, built as a collaboration between NASA and the European Space Agency, is one of humanity’s most important tools in discovering the Universe.
Since its start, it has shown us distant galaxies, nebulae, and has even
given us a clear idea of the Earth’s age. It has answered some of the
most lingering questions in astronomy, and is helping us discover
whether life exists outside our planet

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Hubble's Hottest- Volume 3 of 4
These images from the Hubble Space Telescope were released from late
2005 into 2007.

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Autism Symptoms & Treatments : Identifying Autism Symptoms
Video is presented by Dr. David Hill.  There are many symptoms of autism which include, showing interest in her parents' emotions or takes longer than nine months to recognize her name. At twelve months they should be learning words and trying to get your attention.  Another symptom is sensitivity to loud normal noises, the child staring into space for prolonged periods for no apparent reason.  Unusual hand movement in front of the face or does
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King Henry VII - Lecture on Historical Figure
The video shows an expert lecturing. It is part of the historical monologue "400 Years of English History" presented by artist/historian George S. Stuart as part of an exhibit of his Historical Figures at the Ventura County Museum of Art and History in Ventura California. The presenter explains how king Henry VII dealt with some laws during his reign. (4:22)
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4 of 5_COSMOS-Encyclopedia Galactica
Are there alien intelligences? How could we communicate with them? What about UFOs? The answers to these questions take us to Egypt to decode ancient hieroglyphics, to the largest radio telescope on Earth and, in the Spaceship of the Imagination, to visit other civilizations in space. Dr. Sagan answers questions such as: "What is the life span of a planetary civilization?" and "Will we one day hook up with a network of civilizations in the Milky Way galaxy?" For middle school and high school stu
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How to Make Paper Dolls
In this video a former art teacher gives instructions for making paper dolls.  She explains that they are made by folding a piece of paper in half several times, cutting out the shapes to make up half of the doll and opening up the paper to reveal a strand of paper figures. Make paper dolls, being careful not to cut out too much of the paper.

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Cupcake Economics 2
This is Part 2 continuing on the cupcake factory business analysis. This part shows how to fill out the spreadsheet with the investment figures.   

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Choosing Words Strategically Workshop 11
Caroline Cockman’s third grade class is learning how to revise
biographies using transitions and more descriptive nouns. A whole-group
exercise models the revision process, and small group instruction
focuses on students who need extra help in writing.

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Math in the Real World
This is a photo slide show presentation designed to engage students to think about  "How might math have been used to ...". showing several examples: a building, a space shuttle, a cell phone, etc. No narration. Thought provoking.  Hosted by Slideshare.  Viewer sets the pace by clicking through the 8 slides. 
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How to Shoot Online Video
How to shoot for a small video sharing screen - Learn how to shoot for a small video sharing screen, to create better online videos. One trick is not to shoot any wide or lanscaping shots.  Another is to use long, time stretching transitions.  Other tips are discussed. (3:47)

~Video begins with 2 Ads-one for Videomaker~

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