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Listed under:  Technologies  >  Manufacturing processes
Video

Biofuels – From Sorghum to Ethanol (video)

This is a video [6:05 min] about the production of ethanol from sorghum at the Dalby Bio-Refinery in Queensland. The video describes and illustrates the stages in the production process including milling the sorghum into ‘flour’; mixing the flour with water to hydrolyse the starch; adding enzymes to liquefy the starch (the ...

Video

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 ...

Video

The Australian cotton story

This is a nine-minute video about cotton cultivation in Australia and cotton's importance for Australians. Intended for a mid to upper primary school audience, it depicts a family sowing, irrigating, spraying and harvesting cotton on their farm at Dalby, Queensland. It also illustrates the life cycle of the cotton plant ...

Interactive

Discovering democracy: democratic struggles

Interact with a slideshow of images and text to explore the influence of the Chartist movement in Britain on the miners' struggles at the Ballarat goldfields, and the development of democratic ideas in Australia.