Time Dilation Video
Is time different to observers moving at different speeds? For more information, see the World Year of Physics 2005 feature. Video Transcript: Two spaceships are traveling together through the galaxy at close to the speed of light. Mounted on one ship is a laser that can fire pulses of light, and on the other, a mirror. The pilot of the first ship fires a pulse at the mirror, and watches as it is reflected back. A clock on board measures how long the round trip takes. But now suppose that he d
Author(s): No creator set

License information
Related content

Learn with Pictures and Video S4 #22 - Get Dressed — and Undressed — with Japanese
Since moving to Japan, you have noticed so many different styles of clothing that you can’t decide on a favorite. You decide to go shopping with a Japanese friend to try on different styles. While putting on different outfits, your friend keeps asking you in Japanese which piece of clothing you like best. At first [...]
Author(s): JapanesePod101.com

License information
Related content

Rights not set

278 GG Oddness When You Start a Sentence with "There Is"
Expletive Sentences
Author(s): No creator set

License information
Related content

Using operations research to address aviation security problems
A news report featuring the research of Professor Sheldon H. Jacobson at the University of Illinois, on applying operations research methodologies to address aviation security problems.
Author(s): No creator set

License information
Related content

Tagxedo - Wolken
tagclouds-using-tagxedo.png

Tool die u toelaat om woord wolken uit te voeren met verschillende vormen. Zeer eenvoudig te gebruiken.


Author(s): No creator set

License information
Related content

Кенотаф Григория Распутина в Царском Селе вблизи Санк
Всем известны обстоятельства убийства Распутина. Никому неизвестна история его погребения и останков этого человека. Существуют различные версии. Есть официальное место, считающееся могилой, но это место не посещается туристами, жители Царского Села не знают о его сущес
Author(s): No creator set

License information
Related content

Plumbing the Deep - Using Sound Waves to See
In this lesson, students learn about echolocation: what it is and how engineers use it to "see" things in the dark, or deep underwater. Also, they learn how animals use echolocation to catch their dinner and travel the ocean waters and skies without running into things.
Author(s): No creator set

License information
Related content

General Science: plant root systems
To study root systems of plants
Author(s): Siyavula User

License information
Related content

Rights not set

Задачи од правоаголни координати на вектор
solved problems of vectors coordinates решени задачи од правоаголни координати на вектори
Author(s): Beti Andonovic

License information
Related content

Rights not set

Next steps

After completing this unit you may wish to study another OpenLearn Study Unit or find out more about this topic. Here are some suggestions:

If you wish to study formally at The Open University, you may
Author(s): No creator set

License information
Related content

Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

7.1 The spectra of galaxies

  • The spectrum of a galaxy is the composite spectrum of the objects of which it is composed.

  • The optical spectrum of a normal galaxy contains contributions from stars and HII regions. An elliptical galaxy has no HII regions and has an optical spectrum that looks somewhat like a stellar spectrum but with rather fainter absorption lines. A spiral galaxy has both stars and star-forming regions, and its optical spectrum is the composite of its st
    Author(s): The Open University

    License information
    Related content

    Copyright © 2016 The Open University

Using Soccer to Help Underprivileged Kids
Brad Namdar, a journalism major at SMU, founded "Dream Big" to teach soccer to low-income children. SMU helped Brad by awarding him a grant under its Big iDeas program and he was featured on a May 27, 2011, segment of "Texans with Character" by CBS 11 News in Dallas. Read more about "Dream Big" at http://dreambigsoccer.net/. Read more about SMU Big iDeas at http://smu.edu/bigideas/ See more "Texans with Character" at http://dfw.cbslocal.com/category/watch-listen/texans-with-character/
Author(s): No creator set

License information
Related content

1.1.2 Sexual reproduction
This Unit looks at how units if inheritance are transmitted from one generation to the next. First you will look at what happens to the chromosones of animals and plants during the process of sexual reproduciton. Then you will examine how genes are transmitted in particular patterns from generation to generation. These two approaches combine to illustrate how the patterns of inheritance can be explained by the behaviour of chromosomes during sexual reproduction.
Author(s): The Open University

License information
Related content

Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

1.4.1 Study Note 2
You might not realise it, but maths is an essential component of healthcare. In fact, sloppy calculations can have fatal consequences. This unit is a taster of Level 1 course materials for a Foundation Degree in health sciences, and is designed for those contemplating a future in the health services industry.
Author(s): The Open University

License information
Related content

Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Next steps

After completing this unit you may wish to study another OpenLearn Study Unit or find out more about this topic. Here are some suggestions:

If you wish to study formally at The Open Univ
Author(s): No creator set

License information
Related content

Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

All About Neptune
This 2:27 long video provides data about Neptune using graphics and images from NASA. A good overview.
Author(s): No creator set

License information
Related content