Touchscreen Door Knobs
A new technique called Touché can transform doorknobs into multi-touch devices.
Inside Science Buzzwords:
- Capacitive sensing - A technology, often used for touchscreens, based on the idea that humans can store electrical charge and that charge can be transferred from an electrical device.
- Electrode - A material attached to a nonmetalic part of an electrical circuit to help conduct electricity through it.
- Electrical conduction - The transmission of electrically charged particles through a material.
- Electrical frequency - The rate at which an electrical current switches its direction in a circuit.