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...introduction to rings and polynomials. We see that polynomial rings have many properties in common with the integers; for example, we can define a division algorithm, and this enables us to develop the analogue of the highest common factor for two polynomials. Section 1 explores the abstract definitions of a ring and a field. Sections 2 and 3 define polynomial rings where...

...introduction to this album. Torque and Momentum An introduction to rotating bodies, focusing on baton twirling. Sport scientist Dave Cogner explains the relationship between torque and angular momentum. Spinning on Ice A look at how ice skaters can control and change the speed of spinning, with relation to body mass and axis of rotation. Diving Angular momentum in Diving...

...managing expectations, negotiating common ground and caring how others feel are key to creating a positive working environment amongst a group. Behaviours such as self-obsession, self-assertion and self-preservation at the expense of others, can all lead to negative group experiences. This story of behaviours relates to the narrative method for the story, which is to draw...