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Explainer: Einstein's Theory of General Relativity

Explainer: Einstein's Theory of General Relativity Copyright free image Copyright free:
Introductory level Duration 5 mins Updated 12 Oct 2015
What exactly is Einstein's Theory of General Relativity all about? And why does it matter?

60 Second Adventures In Astronomy: Exoplanets

Featuring: Video Video
60 Second Adventures In Astronomy: Exoplanets
Introductory level Updated 19 Dec 2012
How have scientists studied distant stars to learn more about exoplanets, the invisible planets that orbit them?

More to space than meets the eye

More to space than meets the eye Copyrighted image Copyright: Production team
Introductory level Duration 5 mins Updated 25 Feb 2010
Professor Russell Stannard explains why the word ‘space’ – so-called empty space – isn’t simply another name for ...

Passing through unseen: An introduction to dark matter

Passing through unseen: An introduction to dark matter Copyrighted image Copyright: The Open University / Karen Parker
Introductory level Duration 5 mins Updated 21 Sep 2009
Get to grips with dark matter - and find out why actually getting to grips with dark matter is impossible

Getting geophysical in Central America

Getting geophysical in Central America Copyrighted image Copyright: Hazel Rymer
Introductory level Duration 5 mins Updated 19 Mar 2009
Hazel Rymer visits volcanoes in Costa Rica and Nicaragua to take geophysical measurements

Predicting Volcanoes

Featuring: Video Video
Predicting Volcanoes Copyrighted image Copyright: The Open University 2009
Introductory level Duration 5 mins Updated 01 Mar 2009
The Open University's researcher in volcanoes, Hazel Rymer explains why the Poás volcano in Costa Rica is her favourite, and how evidence form...

Are helicopters weightless?

Featuring: Video Video
Are helicopters weightless? Copyrighted image Copyright: The Open University
Introductory level Duration 5 mins Updated 31 Jul 2008
We tend to take gravity for granted, don’t we? In this video we explore whether helicopters can be weightless.

Challenge: Make a kite from natural products

Challenge: Make a kite from natural products Copyrighted image Copyright: Open2
Introductory level Duration 15 mins Updated 28 Jan 2008
The science behind kite flying, part of the BBC/OU's programme website for Rough Science 2

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Galaxies, stars and planets

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Galaxies, stars and planets Copyrighted image Copyright: Used with permission
Introductory level Duration 8 hours Updated 22 Mar 2016
This free course is a general introduction to galaxies, stars and planets, including scale of the universe from the very large to the very small;...

Motion under gravity

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Motion under gravity Copyrighted image Copyright: Used with permission
Introductory level Duration 4 hours Updated 22 Mar 2016
From the moment that Galileo dropped two cannonballs of different sizes and weights from the top of the Leaning Tower of Pisa mankind has been...

Describing motion along a line

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Describing motion along a line Copyrighted image Copyright: Used with permission
Intermediate level Duration 15 hours Updated 16 Mar 2016
Motion is vital to life, and to science. This free course, Describing motion along a line, will help you to understand why classical motion is...

The Big Bang

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The Big Bang Copyrighted image Copyright: Used with permission
Advanced level Duration 20 hours Updated 02 Mar 2016
This is the way the world ends / Not with a bang but a whimper.' (T.S. Eliot) But how about the way the world begins? Was this the biggest bang of...