LiFi is a technology that is slowly stepping out of the shadows to emerge as a possible alternative to Wi-Fi, and the Li-1st system, from UK-based pureLiFi, hopes to ride the crest of this wave. In an age where talk of radio congestion and bandwidth capacity strain is a constant background chatter, LiFi claims it will bring some light to the doom and gloom ‘ quite literally. Reminiscent of the Infrared Data Association (IrDA) technology that was popular in the 1990s, and defined by the IEEE 802.15.7 protocol, pureLiFi (Light Fidelity or Visible Light Communication/VLC) is a brand name for a project spun out of the University of Edinburgh, based on the Ultra Parallel Visible Light research carried out by…