The rise and fall with each wave alternately pressurizes and depressurizes the air at the top, which can drive a turbine; Wavegen in Scotland, partly owned by Siemens,
the giant electrical company, recently opened a 100 - kilowatt generator based on this system.
About 45,000 of the telecom
giant's workers, represented by the Communications Workers of America and the International Brotherhood of
Electrical Workers, walked off the job on Aug. 7 in protest against Draconian concessions demanded by the highly profitable
company, including eliminating pensions for new hires; slashing paid sick time and holidays; and increasing employees» contributions to their health care costs.