The company is not changing guidance for the telecom, environmental and life sciences units, and is maintaining its gross margin guidance.

FORBES: Corning Turns Cautious On Q3 LCD TV Outlook

The idea is to relate economic activity, measured in cash terms, to environmental magnitudes measured in physical units.

ECONOMIST: An invaluable environment

It has sold hundreds of the new detector units to the military, the Environmental Protection Agency, the Department of Energy and emergency response teams.

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If they pass environmental impact and other regulatory assessments the partners plan to locate up to 11 of the units in deeper water off the west Wales coast.

BBC: NEWS | UK | Wales | South West Wales | Wave power plan for Welsh coast