Changes

A '''display''' is an optical machine that conveys images or information by sending out [[visible light]]. It is often electronic, meaning it uses electricity as the power and the signaling.

A '''display''' is a machine that conveys images or information by sending out [[visible light]]. It is often electronic, meaning it uses electricity as the power and the signaling.

A display can be a [[near-eye display]] fixed to the head, or a [[world-fixed display]].

A display can be a [[near-eye display]] fixed to the head, or a [[world-fixed display]].