Tuesday, June 23, 2009


I have been thinking more about the idea of capturing bacteria on petri dishes, a low tech way of getting some idea of what is out there and how it might grow. Currently I am thinking of attaching a selection of petri dishes to a baking sheet with magnets set in the agar and 'sweeping' the air - at various locations eg the Uni sports pitches and up mount Snowdon. The baking sheet was easy to find and I have been having a look on line at magnets from this company, the prices look reasonable for the volumes I need. Apparently neodymium Iron Boron (NdFeB) is the strongest material on the market and it comes nickel coated so hopefully that should do the trick.

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