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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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Building a weather satellite

Designers and engineers improve upon existing products all the time. How important do you think it is to update and enhance something like a weather satellite? Can you think of some other objects that could be improved upon?

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Living on the moon!

Imagine living on the moon! What are some of the essentials you may need that you take for granted on Earth? How would you source or access these necessities on the moon?

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What makes the internet run reliably?

Watch this clip to see software engineer Lynn Root and co-creator of the internet Vint Cerf explain what keeps the internet running reliably. When information is sent on the internet, it is broken down into packets that are able to take a number of routes to get from one computer to another. Why might this be important? ...

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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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Farmers, their animals and the environment

This is a video about the valuable genetic diversity of Asia's indigenous domesticated animals; the contribution the animals' genes make to local people's food security; and the results of the use of genetic technologies. The video identifies ever-present links between farmers, their animals and the environment by describing ...

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Upholding cassava's potential in Africa

This is a video about the importance of cassava for food security in Africa and how the Regional Cassava Initiative supported small-scale farmers whose crops were affected by viral diseases. Plant virologist James Legg explains the extent of the problem and how the viruses are transmitted, and Burundi farmer Aoron Sebomana ...

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Gaps and opportunities for perennial crops

This is a video about the scientific breeding of perennial crops as described at a 2013 workshop, 'Perennial crops for food security', held by the Food and Agriculture Organization (FAO). After giving the big picture regarding perennial crop research, the 16-minute video focuses on the breeding of perennial wheat and its ...

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Returning water to Hattah Lakes

The two short videos in this series highlight the value of Hattah Lakes and the importance of ensuring that sufficient water replenishes the lakes during dry times. The videos explain how dams and weirs upstream store flood water that would otherwise fill the lakes. A collaborative engineering project reduced the environmental ...

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How do solar panels work?

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy. This TedEd animation (4:58 ...

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What is a meat safe?

Before fridges were invented, people used meat safes to keep their food cool. But what is a meat safe? Watch this clip to find out! What was the meat safe made out of? How was it designed to keep bugs out? And how did the meat safe actually keep food cool? Think about the way we keep food cool today. How do the fridges ...

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Learning from design 'mistakes'

Finding the solution to a design problem involves generating creative ways to address a need or difficulty. Design is the key and it often involves an engineer. In this clip, explore what an engineer is and what they do, and see an example of how NASA engineers might plan, create and test an idea to fix a space station.

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Pocket Compass, Ep 5: An immigration nation

Prime Minister Malcolm Turnbull once described Australia as an 'immigration nation'. What do you think he meant by that? Do you agree? |Watch four very different people speak about their experiences as first- and second-generation migrants. What were some reasons they or their parents migrated to Australia?

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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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BTN: Yes, fashion designers need maths skills!

Are you interested in becoming a fashion designer? Or an architect? Or a pilot? Did you know that you need maths skills to succeed in all of these careers? Watch this video to learn how fashion designer Cristina uses maths in her work. How does architect Thomas use it? And why is maths important to pilot Paul? Can you think ...

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Why become an engineer?

Are you interested in improving the way people live? What are some of the other reasons Ashwini Ranjithabalan gives for wanting to be an engineer?

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Building spaghetti bridges

Have you ever tried making a bridge out of dried spaghetti? What about a spaghetti bridge that can support a roadway and small car? Watch as teams of first-year university students reveal and test their designs. How did they decide what kind of bridges to build? Have a go at designing, testing and building your own spaghetti ...

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How does nanotechnology work?

What is nanotechnology? Watch as Dr Kay Latham explains why scientists are interested in working at the nanoscale. What have researchers been able to design using their understanding of nanotechnology? And how might nanotechnology be used in the future?

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How to fly around the world without fuel

Imagine if we could fly day and night using only solar energy. The expertly engineered Solar Impulse plane is flying around the world delivering a powerful message: clean technologies can achieve the seemingly impossible. Powered by a dream, determination and breakthrough engineering, this flying adventure aims to inspire ...

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The innovator

This is a short animated film highlights the versatility of wool as a natural fibre. The wordless film journeys through the ages and offers a unique view on how wool has been used - and continues - to clothe humans. The video provides an humourous stimulus resource to highlight the range of properties of wool.