Acoustic Sensors Make Any Surface a Touch Pad

An anonymous reader writes "Using cheap acoustic sensors the surface of any 3D object can be instantly made into a touch-sensitive interface capable of tracking two objects at once. Its creators are planning to make hospitals more hygienic — keyboards and mice will be replaced by desks wired to perform as keyboards and touchpads. A video shows it in action [.wmv]."

Comments

And this contributes to cleaner hospitals how ???

[OneSmartFellow]

Hospitals are dirty becuase they outsource their cleaning to companies that employ mostly low paid, un(der)trained staff.