Chinese Scientists Create LiFi (Light Powered Internet)
Move over WiFi; successful experiments by a group of Xinhua, Shanghai based scientists have implied the possibilities of improving China’s online means by using the signals sent by light bulbs. This technology is called LiFi, a wireless communication using light as a carrier in place of the usual radio frequencies. This has the advantage of being able to use internet even near electromagnetic sensitive locations such as nuclear power plants and aircrafts, without causing any interference.
In an experiment, four computers in a one-wattage LED light can be connected to the internet. Chi Nan, a professor in Fudan University, Shanghai, has disclosed that a light bulb with inserted microchips is able to generate data rates with the speed of 150 mbps, which is faster than the typical broadband in China. Chi under the information technology department and is leading the research team for LiFi. This team includes researchers from the Shanghai Institute of Technical Physics.
The LiFi offers a practical and resourceful solution for the local Chinese broadband. Chi reveals that the present wireless signal transmission is costly and inefficient. A big percentage of energy is also wasted on cell phone base stations, which consumes a lot of electricity on their cooling systems. Compared to these stations, there can be limitless number of light bulbs which can produce better broadband signals without consuming a lot of energy.
However, the team of scientists knew that this innovation still has a long way to go to be successful commercially.
“Wherever there is an LED light bulb, there is an Internet signal,” Chi says. However, turning off the light cuts the signal. Light, unlike radio frequencies, cannot go through walls. “If the light is blocked,” Chi continues, “The signal will be cut off”
Netizens are already anticipating the 10 sample kits which will be on display at the China International Industry Fair which will be launched on November 5 in Shanghai. LiFi is still under an experimental period.
[Image via Crewfone]
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Apple’s iOS 7 Update Aims To Stop People Feeling Sick
Apple’s support forums were swamped with users complaining that the iOS 7 interface was making them sick, dizzy and causing headaches. In response iOS 7.0.3 has been released, offering users the option to turn off certain effects.
For people who suffer from inner ear disorders such as Meniere’s disease or Labyrinthitis, the zooming effect of the apps and features was making them feel sick. This was also made worse by the pseudo 3d parallax effect that causes icons to appear to move in relation to the Home Screen background.
In previous versions of iOS 7 it was possible to turn off the parallax effect thorugh Settings, however the zooming effect was still present and causing problems for some users.
So Apple has worked to solve the issue by allowing users to turn off the zooming effect by switching the Reduce Motion toggle. Now both of the problematic effects can be replaced by a quick cross-fade.
There are some other changes in iOS 7 too, including the addition of an iCloud Keychain and a Safari Password Generator, as well as the fixing of accelerometer calibration bugs and a flaw that could allow hackers to bypass the Lock Screen Passcode.
Obviously there will still be those who find Apple’s iOS 7 deeply sickening but not for any medical reasons. At least there is always Android for those with this type of complaint.
[Image via NYPost]
Source: http://www.theregister.co.uk/2013/10/25/apple_depukes_zoomy_ios_interface_with_703_update/
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