Convertible pants that convert from shorts to long pants are very handy, though optional.
Thermoelectric generators are devices that convert heat directly into electricity.
Some 3G handsets even include infrared readers that convert phones into television remote controls.
It's the lax gun laws that convert barroom confrontations or family disputes into individual murders.
The city would construct a network of "resource recovery" plants, incinerators that convert waste to energy.
L.E.D.'s are semiconductors that convert electricity into single wavelengths of light.
And then there are the chemicals that convert gardening into a manufacturing event.
Did I really need microfiber pants that convert into shorts for a three-night camping trip?
Features include vertical farms, kinetic pavements that convert footsteps into electricity, driverless cars and green roofs.
Virgin's Upper Class is being fitted with new seats that convert into flat beds.
Then there are media formats that convert audience participation into glib public theatre.
