I built a simple setup to demonstrate how Li-Fi: light-based wireless communication, can be used to transmit sound using visible light. An audio signal from my iPad is amplified and sent to a light-emitting diode (LED), converting the sound into rapid fluctuations in light intensity. When the flickering light shines on a solar panel, the panel converts the light back into an electrical signal that can drive a speaker, reproducing the original sound. Because light waves can carry high-frequency d

10K views · 554 reactions | #ArmyJobs Army Communication and Information Systems Specialists provide fast, reliable wired and wireless communication and information systems using leading edge voice and data systems. They are also part of a larger team that provides Army units and the Forces with communication and information services throughout Canada and around the world. Video courtesy of Canadian Armed Forces. #StrongProudReady | Canadian Army | Facebook