Raising the roof of tomorrow's homes.

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Roofs may float over future homes and refrigerators may lack doors, the World Future Society predicts. Forecasting housing-related developments, the organization indicates that:

* Doorless refrigerators will use directed air currents to keep contents cold.

* Roofs will float overhead on shafts of electromagnetic force. Homeowners will raise the roof--or lower, tilt, or spin it--by changing the intensity of the force field.

* "Intelligent"...