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Listed under:  Technologies  >  Materials
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For the Juniors: Milk from the dairy to the shop

Have you ever wondered about the steps involved in getting milk from a cow to you? This clip tells the story of milk, from the dairy farm to the supermarket. Discover where cream comes from and how milk is made safe to drink.

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Elliot and the Surfing Scientist: Make a lava lamp model using oil and water

Imagine making your very own lava lamp using materials from your kitchen and bathroom. Watch the Surfing Scientist team show you how it can be done, then try and figure out why it works.

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For the Juniors: How does rice get to the supermarket?

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

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Catalyst: Shining the light on a more sustainable globe

Artificial lighting methods have changed with the invention of new lighting technologies designed to be more energy efficient and to reduce the use of resources. Since electricity has been used as an energy source, incandescent and fluorescent globes and, more recently, light emitting diodes (LEDs) have been used in our ...

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For the Juniors: How planes take off and fly

A modern jet aeroplane is big and heavy, so how does it fly? In this clip we explain how the wing shape helps a plane to take off and fly. Also see how a plane's jet engine works. Is it all a load of hot air?

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For the Juniors: Balance is a matter of ballast

Have you seen large ships that carry shipping containers as cargo? In this clip we show you how these ships use ballast to help them balance their load. Find out what ballast is and how it stops a ship from sinking. Also see the massive engines on these big cargo ships.

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Experimentals: Recycling household items

Discover why plastic is harmful to our environment and how recycling helps to reduce its impact. Listen to Jon Dee, founder of Planet Ark, discuss the problem of plastic. Watch as a bag of household items are sorted to identify what can be recycled.

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Engineering clean rivers

Figuring out how to clean up contaminated rivers is a big challenge. It's also tricky to work out where the most contaminated parts of a river system are and whether its fish are safe to eat. Watch this video and learn how engineering has helped to solve these problems. Why do you think engineers looked to the bottom of ...

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For the Juniors: Boats made from different materials

See how boats can be made from wood, fibreglass and aluminium. Watch film of some Aboriginal men making a bark canoe. See how a special mould is used to make boats made from fibreglass. Find out why aluminium is a useful metal for making boats.

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Different types of telescopes

You can find both refracting and reflecting telescopes at Sydney Observatory. How are they different in the way they work and look? What can you find in nature that is like a telescope? Which type of telescope is it like?

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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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Indigenous bags and textiles

Have you ever wondered why your bags are made from certain materials? There are many factors involved, including usage and availability of material. In this video, learn what the Kun-maj (small fishing bag) is made of and how it is made. Why is it strung together rather than woven? How is it different from Yvonne Koolmatrie’s ...

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Elliot and the Surfing Scientist: From chocolate buttons to magic patterns

Want to do a simple science experiment that works just like a magic trick? Watch the Surfing Scientist to find out how. He creates a pattern made up of regular shapes by dissolving coated chocolate buttons.

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Can We Help?: Artificial eyes: how are they made?

To answer the question 'Are glass eyes really made of glass?' Peter Rowsthorn visits an ocularist who makes artificial eyes. Join him as he investigates how these eyes are made. Witness the skill of an ocularist, Jenny Geelen, as she creates an artificial eye to match Pete's existing eyes.

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For the Juniors: Making Bread in a Factory

Have you ever wondered how your sandwich bread is made? This clip shows the story of bread, beginning with flour being loaded into a truck. Watch big machines mix the dough. See your bread being baked, then packed ready for the shop.

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Salmon Growing in Tasmania: video

This is a video [5:52 min] about large scale farming salmon at Huon Aquaculture in southern Tasmania. It illustrates the the operation of the aquaculture business, its infrastructure, the salmon life cycle and the efficiency levels of salmon production gained. The commentary initially focuses on the importance of aquaculture ...

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Smart Water - Precision Irrigation: video

This is a video (5:08 min) about the importance of water to a fully-irrigated 1600ha farming and wine-producing enterprise on the banks of the Murray River and the effectiveness of its fully automated irrigation system. The enterprise is Andrew Peace Wines and the system was developed by WiSA. The video iillustrates viticulture ...