Sunday 17 May 2009

Cornstarch (Oobleck)

I noticed this video posted on the SEA blog which shows a mixture of cornflour and water, called oobleck, which is then placed in a tray or sometimes directly inside the speaker cone and then different frequencies played through it. When a standing wave is achieved at a certain frequency a hole is then blown with a straw and the resulting effects are remarkable! Have a look for yourself:

I thought this would be a very suitable material to use in my project as it has very ambiguous characteristics and is therefore escapes the boundaries of classification, is it a liquid or a solid?

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