by Andrew Maynard
June 21, 2008
Painted metal roofs are cheap, convenient, and usually very durable. But over the past two years, a rash of accelerated ageing has blighted pre-painted steel roofing in Australia. And intriguingly the ageing—which affects the coating—seems to be localized to small patches, taking on the form of fingerprints, handprints and even footprints. The culprit it seems [...]
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by Andrew Maynard
May 31, 2008
Why nano? Why care? For non-nanotech initiates, an obsession with nanotechnology must sometimes seem a bizarre occupation of the sad and lonely. And even within the nanotechnology community, who hasn’t had occasional doubts over the legitimacy of singling out “nano” as something special? Yet occasionally a piece of work comes along that helps put things [...]
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