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Copyrighted  image Icon Copyright: D. M. Eigler, IBM Research Division
Collisions and conservation laws free course icon Level

Science, Maths & Technology 

Collisions and conservation laws

This free course, Collisions and conservation laws, begins by explaining elastic and inelastic collisions and then goes on to show how collisions may be quantified using the conservation of linear momentum and of kinetic energy. Interactive animations are used to illustrate this behaviour and video examples discuss collisions in the world around us. Finally, this course looks at how the understanding of collisions must be modified when the speeds involved are close to the speed of light, using special relativity.

Free course
5 hrs
Copyrighted  image Icon Copyright: The Open University 2009
Rotating Bodies and Angular Momentum audio icon

Science, Maths & Technology 

Rotating Bodies and Angular Momentum

How does an ice skater rotate so effortlessly on ice? What are the forces at play? How do they keep spinning? And more importantly, how do they stop? The tracks on this album use a variety of sports ranging from Ice Skating to the Highland Games to illustrate the nature of rotating bodies, looking in turn at torques, angular momentum and the moment of inertia. This material makes up part of the course MST209, Mathematical methods and models.

30 mins
Copyrighted  image Icon Copyright: Production team
Rocket science article icon

Science, Maths & Technology 

Rocket science

Battle of the the Geeks' Ian Johnston takes us through the science which lifts rockets from launchpad to the skies. We start, though, by asking why buildings don't fall down

Copyrighted  image Icon Copyright: BBC
Uncertain principles article icon

Science, Maths & Technology 

Uncertain principles

Get to grips with Heisenbergs uncertainty principle

Copyrighted  image Icon Copyright: BBC
Die Hard article icon

Science, Maths & Technology 

Die Hard

Robert Llewellyn and Dr Jonathan Hare take on Hollywood Science, testing the science that filmgoers take for granted. Here they look at the famous bungee jump Bruce Willis makes in the film Die Hard