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Zothecula (1870348) writes "Tunisian green energy startup Saphon Energy has created a new bladeless wind turbine which draws inspiration from the design of a ship’s sails, and promises to convert the kinetic energy of the wind into electricity at up to double the efficiency – and half the cost – of a typical wind turbine." Link to Original Source
The number of UNIX installations has grown to 10, with more expected.
-- The Unix Programmer's Manual, 2nd Edition, June 1972