Explore the science Amid the humour and fun, the Rough Scientists construct a spectacular giant panning machine to use in the river, do strange things with sheep's wool to make their own cosmetics, and find out what trees can reveal about earthquakes.
If you were wondering how the automated panning system was constructed, explore the panning challenge in more depth. Discover which stages of panning can be automated and how the scientists used simple technology to pump water up to the sluice.
What is lanolin and how can it be used in making hand cream? Chemist Mike Bullivant explains how he concocted his cream and made it smell a little more pleasant.
Rough Science 3: New Zealand in more depth:
OU on the BBC: Rough Science 3: New Zealand - About the series
Production team
Programme summaries from the second series of the BBC/OU's Rough Science Read more : OU on the BBC: Rough Science 3: New Zealand - About the series
OU on the BBC: Rough Science 3: New Zealand - Explore the science: Gold Rush
Production team
Find out more about the science behind the challenges: Gold Rush Shakers Quakers Ice Treasure Hunt Big Smelt Read more : OU on the BBC: Rough Science 3: New Zealand - Explore the science: Gold Rush
![Polling Station signage [Image: kagey b under CC-BY-NC-ND licence]](/openlearn/files/ole/ole_images/places/general-urban-scenes/polling-station-sign/polling station sign_0_0.jpg)
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