Inductive chargers use an electromagnetic field to transfer energy between two objects, usually to charge batteries or run a device.
Additive manufacturing or 3D printing is the process of making a three-dimensional solid object from a digital model using a variety of materials.
Near-field communication (NFC) is a technology standard allowing devices to talk to each other by being placed in close proximity.
Gesture recognition is a suite of technologies that allows a computer to read and respond to human gestures.
Speech recognition allows a computer to translate the spoken word into the written word (also speech to text).