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Letter: For the record

Published 25 July 2012

• In our look at nanobubbles (7 July, p 38) the pressures for the 5 centimetre and 1 centimetre soap bubbles in the diagram should have been 2×10-5 atmospheres and 1×10-4 atmospheres respectively.

Issue no. 2875 published 28 July 2012

Â鶹´«Ã½ issue 2875 cover

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