0 controlled by movement or sound, rather than by a keyboard, button or other device that you need to touch:
The user can steer the cursor by "touchless pointing" (especially useful when you're following an online recipe and your hands are coated in cookie dough).
The cards have a microprocessor capable of receiving and transmitting radio waves, which allows the cards to be "touchless" - no magnetic stripes that must be swiped through a machine.
The most common finger scanning technologies are: Optical, Silicon, Ultrasound and Touchless.
They introduced the nation's first interstate, touchless mass transit ticketing system.
There are touchless digital toilets from Japan that require no toilet paper - they wash and dry you automatically.
