What if every light bulb in the world could also transmit data? Professor Harald Haas, Chair of Mobile Communications at the University of Edinburgh and co-founder of pureLiFi, is developing a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower — and do it in a way that’s more efficient, secure and widespread. Watch Harald’s TED Talk here – http://www.ted.com/talks/harald_haas_wireless_data_from_every_light_bulb Cellular and wireless internet, or Wi-Fi, has revolutionized our connectivity to the internet and local networks, providing a cable free source of information to a multitude of devices. However, Wi-Fi comes with its limitations and weaknesses; capacity of data transmission, efficiency (in terms of power usage), the availability of transmitting devices and security issues from unauthorized wireless infiltration. Hass’ Li-Fi (light fidelity) seems to have an answer to each of […]