ELECTRONIC noses being developed in Australia are to be tested to monitor smell levels from factories; industry is being pressured to clean up its act with smell being a key issue.

The odour sentinels, created by the Centre for ChemoSensory Research at the University of New South Wales in Sydney, stand like small sentry boxes sniffing out bad smells and alerting engineers automatically.It even can sense which smells are from which factories.

Each device includes discs of conductive material on which molecules alight. This ...

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