Search results

• TLF-IDM024940

What do you do when you need to measure a length, height or distance but don't have a ruler or some other measuring instrument? You can compute linear measurements with surprising accuracy using indirect measurements, proportions and estimations. Learn a nifty trick to measure a tree from a distance.

• TLF-IDM020274

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?

• TLF-IDM017811

Can Matt Dombrovski encourage you to be a donor or a volunteer? Test his powers of persuasion in this Heywire audio story, and hear about his own experience of donating something. Could you write or record a similar story about yourself and/or your community? The ABC's Heywire competition calls for stories from 16-22 year ...

• TLF-IDM021121

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 ...

• TLF-IDM015755

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

• TLF-IDM018298

How did people keep clean in ancient Rome when most people lived in small flats with no plumbing or running water? How did they keep healthy in a time when only the rich could afford doctors and medical knowledge was lacking? Discover the extraordinarily advanced world of Roman engineering that produced public baths, toilets, ...

• TLF-IDM017303

Did you know that the site of the 2000 Olympic Games in Sydney is also home to the appropriately named Green and Golden Bell Frog? Watch this clip to find out how Olympic planners worked with the Australian Museum to relocate frogs to a protected, nearby habitat.

• TLF-IDM020273

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?

• TLF-IDM018812

The water cycle is the circulation of water on, in and above Earth and it involves a number of stages and changes of state. This clip describes the water cycle and also how modern technology has contributed to our understanding of the shape of raindrops and its relationship to precipitation. Discover how raindrop shape ...

• TLF-IDM018741

Did you know that not all pyramids have a square base? Investigate the bases and faces of some pyramids. Travel around the world as we view some famous structures. First stop, we're in search of a building that is a rectangular prism. Find out which world famous building is a pentagonal prism. See what type of 3 dimensional ...