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Listed under:  Technologies  >  Materials
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Sam the Lamb: what is wool?

This short video, narrated by Sam the Lamb and a group of young woolgrowers, explores where wool comes from, how it grows and how it protects sheep in all kinds of weather. Viewers will discover what wool looks it, how it feels and how woolgrowers harvest their sheep’s woolly fleece each year…and how it grows back again.

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For the Juniors: Picking and processing fresh apples

Discover the story of apples, from picking and pressing to processing in a factory. Learn how juice, cider and vinegar are made from apples. See how many other things are made from apples.

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Tough zirconium - but what's its secret side?

The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.

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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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How do robots work?

Ever wondered how robots work? Watch as students and Robogals members Claire and Stefan introduce you to one of their robots. What does Claire say about robot languages? And what does Stefan say about how the robot knows what's in front of it?

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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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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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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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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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Indigenous watercrafts

Did you know that many different types of watercrafts were used by the Aboriginal and Torres Strait Islander communities? Watercrafts varied in design, size and materials. Learn about two specific examples: the Ningher and the nawi. Why do you think the people from lutruwita and the Eora nation had such different watercrafts? ...

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Precision Sheep Management: video

This is a video (4:09 min) about the University of New England’s Kirby Research Station and how its work with sheep has been transformed by technology, particularly the Radio Frequency Identification (RFID) tag. The video is presented by members of the Enhanced sheep wellbeing and productivity research program and includes ...

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BTN: Daily bread

Do you eat bread? How often? Discover why bread has been important for human survival for thousands of years. Find out how to find the healthiest types of bread to eat. See how you can make your own bread at home.

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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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Thinking about the design process

Watch as UNSW student and Blusat member William Frohlich talks about the design process. What are some of the important things to consider before you start to make a project? Why does William say it's important to be flexible with your designs? Design your own obstacle course for your family using objects from around your ...

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For the Juniors: First the base, then the frame

Come and see Hugo's house getting built. Find out how the concrete foundations are laid. What comes next? Carpenters build a wooden frame. Spot the tools used to build the house. How is each tool used?

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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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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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Different paper plane designs

How many different paper plane designs are there? Lots! Watch as Dylan Parker, paper plane expert, demonstrates some of his favourites. Notice the way the different shapes and features of the planes cause them to move through the air in different ways. Which one do you like the most? Why not have a go at making something similar?

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Growing carbon nanotubes

Carbon nanotubes are a very tiny but super strong material used in manufacturing to create strong, lightweight products. Besides sporting equipment, find out what other kinds of products are made using these tiny molecules. What other qualities (besides size and strength) do carbon nanotubes have that makes them even more ...

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How to build a Mars rover

Imagine if you were building a robot to help you explore Mars. That's exactly what these engineering students are doing. Watch this video to find out about their design process. How important do you think it is to test and review the final product after it has been built?