Scientists Create Light Bulb that Provides Superfast Wireless Internet
2013-10-25 0:00

Red Ice Creations

Chinese scientists have been developing the tech to make LED lightbulbs wi-fi emitters, so where there is light, there is internet.

While they do present the advantages of this technology, such as freedom from traditional routers and faster internet speeds, as well as ease-of-access to signals, it remains to be seen if this is a better or worse idea for people’s health or for the environment.

LED bulbs have long been credited as vastly more energy efficient than incandescent bulbs, and nowhere near as harmful as the chemical-laden CFL bulbs, so-called ’eco’ or ’green’ lightbulbs.

But studies have raised concerns over the ubiquitous presence of wi-fi and how it may affect humans.

READ: WiFi Report - Humanity At The Brink

and: The Dangers of Wi-Fi (Electromagnetic Radiation Wireless Internet)

If a percentage of lightbulbs start hosting and emitting wi-fi signals, a health crisis may loom . Even now researchers are sounding warnings over electromagnetic pollution and radiation as emitted by wireless routers and cellphones: "Casualty catastrophe - Cell phones & child brains"

Surely more research must be done on this issue before we all step ’into the light’.

More from International Business Times...

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Chinese Scientists Create Light Bulb that Provides Superfast Wireless Internet
By Arjun Varma | IBTimes

Scientists at Shanghai’s Fudan University have created a one-watt light bulb that provides access to wireless internet.

Using a technology called Li-Fi, or light fidelity, the prototype created by the scientists is claimed to be an affordable and efficient alternative to existing means.

According to Chi Nan, an information technology professor with the university, four computers were found to be able to connect easily to the internet when kept near the Li-Fi bulb.

The use of light frequency enables all computers to connect simultaneously. The Li-Fi bulb, featuring a microchip, generates around 150 mbps that is 20 times faster than the average connection in China. Nan also states that the current wireless signal transmission equipment is expensive and inefficient.

[...]

"Wherever there is an LED light bulb, there is an internet signal," said Nan. "Turn off the light and there is no signal."

The prototype is still at a very nascent stage and it will take several tests and changes before the product is developed for commercial use. The scientists need to focus on light communication controls, microchip design and manufacturing among several other areas, according to experts.

Li-Fi is a type of visible light communication technology that delivers high-definition videos to a computer. The term was conceived by Prof Harald Haas, an expert in optical wireless communications at the University of Edinburgh, who also demonstrated the functioning of the technology in 2011.

Read the full article at: ibtimes.co.uk




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