LiFi the healthier alternative to WiFi
Here is a summary of an interesting new technology that could replace WiFi.
LiFi (light fidelity) is a bidirectional wireless alternative to WiFi that uses visible light to transmit data. Using LED light bulbs to access the Internet, LiFi has several advantages over WiFi including speed, energy efficiency, safety and security.
Data transmission speeds of up to 224 gigabits per second have been achieved in research labs, that’s equivalent to a download of 18 movies in one second. 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.
The light spectrum is also 10,000 times broader than the radio spectrum, providing greater bandwidth than WiFi. Light cannot travel through walls and ceilings thereby LiFi provides a more secure environment which can’t be hacked remotely.
Imagine a home or business environment in the future containing LiFi enabled LED lights and laptops/iPads equipped with photodiodes built into their screens. Users will have fast Internet access in a safe and secure environment. It’s doubtful that mobile phone towers could ever be replaced by this technology as it couldn’t reach into buildings and homes, but by shielding the building walls, ceiling and windows with Geovital shielding products EMF exposure would be minimal whilst still enjoying wireless internet connectivity inside with LiFi.
LiFi is being seen as a disruptive technology with many companies and research institutions becoming involved in visible light communication (VLC) including the inventor of LiFi Professor Harald Haas who stated “In the future we will not only have 14 billion light bulbs, we may have 14 billion Li-Fi’s deployed worldwide for a cleaner, greener and even a brighter future.”
No guarantees just yet that LiFi is not a health burden
There are people that investigate the quality of man-made light versus the quality of natural light. Light remains, in the end, of course also energy. There is a possibility that light with much data hidden within it, may still have negative health effects, but as we have so much health issues linked to electromagnetic radiation from sources like WiFi it is ok to be hopeful that LiFi offers a better alternative and a much brighter future.
We’ll look toward the future and see what LiFi might bring us.
Below are links for further information:
TED Video – Harald Haas – Wireless data from every light bulb
Yaabot – Good overview of LiFi and how it works
JBtimes – LiFi Breakthrough: 224 Gbps – LiFi Real world usage