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Elliot and the Surfing Scientist: Pepper scatter experiment

Watch what happens in this pepper scatter experiment by Surfing Scientist, Ruben Meerman. Ruben demonstrates an important property of water, surface tension, by dipping a toothpick into water sprinkled with pepper. Find out what happens when detergent is added.

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Eugene von Guérard: 'North-east view from the northern top of Mount Kosciusko' 1863

In this landscape Eugene von Guérard blends topographical accuracy with the grandness of a mountain top view which he witnessed in 1862 as a member of a geographical survey led by scientist Georg von Neumayer. The artist has taken some liberties with the depiction of the boulders in the foreground to demonstrate the enormous ...

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Catalyst: Can you solve the 'travelling salesman problem'?

Imagine you are a salesperson having to travel between multiple locations. How would you achieve this in the quickest way possible? This is a problem that has stumped mathematicians for decades, and there is even a prize for anyone who can come up with an algorithm to solve it. In this video, three methods are used to try ...

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Representing Sydney's suburbs, 1965

In this clip from the mid-60s, explore how words and images can be combined to encourage particular interpretations and influence audience response. Explore how some of the inner suburbs of Sydney have been represented in history.

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First Tuesday Book Club: Pride and Prejudice

We all like different types of novels. But how do we go beyond just saying a novel is 'good' or 'bad'? Discover what the First Tuesday Book Club panellists say about the classic and perhaps first romantic comedy, Jane Austen's 'Pride and Prejudice'.

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Weekend Magazine: Vinyl: the Australian record industry, 1963

Discover a time in Australia's past when the vinyl record industry was thriving. Today you can download your choice of music at almost any time or place. But in this clip from 1963 you will experience life before music downloads and compact discs (CDs): the age of vinyl records. These records created a teenage mass market ...

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Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

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This Day Tonight: Germaine Greer and women's liberation, 1972

Discover what it was like for women who spoke up for equal rights in 1970. Germaine Greer's 'The Female Eunuch' was first published in that year. It would inspire many to challenge traditional views of female and male roles. Listen as, in 1970, Greer expresses her ideas and several Australian women and girls say what they ...

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Catalyst: Take the Phi Golden challenge

The golden ratio, Phi: fact or fallacy? What about the Fibonacci sequence? We are told this ratio and its cousin Fibonacci occur everywhere in nature. Let's see which of these claims stacks up when put to the test.

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Elliot and the Surfing Scientist: Properties and behaviour of gases

All substances are made up of tiny particles. A change in temperature can change the way these particles behave. Watch as the Surfing Scientist demonstrates how a gas behaves when it is heated. Find out whether the balloon gets sucked or pushed into the bottle!

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Gold rush

Walk through the streets of 1850s Ballarat at Sovereign Hill and learn about how the discovery of gold shaped the development of this region. What were the three distinct but overlapping eras of gold mining in Ballarat? How do staff at Sovereign Hill know what life was like for people during this time? Find out how the ...

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Radio National: 'The Great Gatsby': dream or nightmare?

Often the impact of a novel lies in its ability to comment on society. In this audio clip, discover how American writer F Scott Fitzgerald challenges readers to reconsider the society in which they live. This clip from 'Books and arts daily' on Radio National is one in a series of eight.

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Catalyst: Sending seeds into space

Why might we need to keep a collection of seeds from all over the world? Where would we keep a collection like that? Should we send some of them into space? Watch this clip to reveal answers to all these questions and more.

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Why do mosquito bites itch?

What sounds do mosquitoes makes, and can you find out why those irritating little mosquito bites itch so much? Why do we need mosquitoes? Where do they fit in an ecosystem?

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MathXplosion, Ep 7: The power of exponents

Have you heard of the term "exponential growth"? Growth can occur very quickly when powers are involved. See how you can use the power of two to rapidly increase the amount of anything from grain to coins!

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Day in the life of a wombat

Wombats have lovely large noses like dogs, but they're different from dogs' noses. How are they different? They also have hard heads and sharps nails to dig their homes with. What are their homes called? What do they do with most of their day?

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Ever seen robots play sumo?

Watch this clip to see sumo robots in action! UNSW student and Robogals member Jonathan Loong explains how the game works. How do the robots know when to turn around and move back into the ring?

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Catalyst: River porpoise rescue

Can you imagine seeing porpoises leaping out of the water in a river near you? Sounds unlikely, doesn't it, but that's what people living along the banks of the Yangtze River in China often used to see. These Yangtze finless porpoises are now rapidly disappearing. Find out why and what Chinese scientist Professor Wang Ding ...

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Kids in the Garden, Ep 4: Plant leaves

Leaves come in many shapes, sizes, colours and textures. Watch this clip to discover how leaves make their own food and transport energy to the rest of the plant. See how they can even be useful after they've fallen to the ground. Presenter Nick Hardcastle and some young helpers will also show you a fun, creative activity ...

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Heywire: Country towns: all drop bears and skate rats?

Why might you use humour when presenting your local community to a national audience? In this Heywire clip, an 'ex-bushranger and survival expert' (in reality Hayden Laube) introduces us to the wilds of Port Pirie. After several adventures including fighting off ferocious wildlife, he reflects on the value of life in a ...