Power Line Communication (PLC) refers to provisioning of communication services over the electricity power grid. The main characteristics of PLC involves sending high frequencies using a PLC Carrier unit over power lines and injecting the frequencies (or picking them up) via a coupler linked directly to the power grid.
A new device to help the blind see has been developed by scientists. The electric lollipop or Brain Port captures images using a tiny camera and then converts the image into tiny tingles on the tongue. The tingles are then sent to the brain which then converts the tingles into pictures.
ABSTRACT: Radio-frequency identification (RFID) is a technology that uses communication via radio waves to exchange data between a reader and an electronic tag attached to an object, for the purpose of identification and tracking.The paper introduces the RFID technology and discusses topics such as the history of RFID, the different components involved in RFID, the physics involved… Read More »