About Tim Sawyer

Tim Sawyer is an academic who lectures at university level about ionising radiation. Health and radiation has always been of much interest and educating others about safe practices and radiation-free living is indeed a passion.
02. Feb. 2016

LiFi the healthier alternative to WiFi

2016-10-14T23:53:13+02:00 By |Tags: , , , , , , |

With the addition of a small microchip, energy efficient LED lights can become data access points, providing both light and wireless Internet transmission. Unlike WiFi, LiFi does not transmit radio frequencies but instead uses the visible light spectrum, which is considered by many to be harmless to humans and nature.