Interesting Facts

According to research carried out by the Ultra Parallel Visible Light Communications project, a joint venture between the universities of Oxford, Cambridge, Edinburgh, St Andrews and Strathclyde, and funded by the Engineering and Physical Sciences Research Council wireless transmission reaching speeds of 10Gbit/s – more than 250 times faster than ‘superfast’ broadband is possible using converted LED lightbulbs. (The technology, cleverly called Li-Fi by Edinburgh University's Prof Harald Haas, would enable existing LED light bulbs to be converted to transmit Li-Fi signals with a single microchip.  The bulbs would have to be kept on to transmit data, but they could be dimmed to the point that they were not visible to humans, and would be more secure than Wi-Fi, as hackers would be unable to access unsecured internet connections from out of sight of the transmitter.) Source    

Production of 100, 75 and 60 watt light bulbs has ceased in the US and Europe. (From 2014, incandescent bulbs of 40 watts or above will be banned in the US. Supporters of this move say that by replacing the old fashioned lamps with more efficient models domestic energy consumption for lighting will be reduced by 60 per cent in the EU alone. That's the equivalent of 30 million tons of CO2 pollution every year. What was really funny is that when they announced that these bulbs (which we haven't used for years) were being phased out, people went out and bought loads to stock up. Demand was highest in Germany, Austria, Poland and central Europe.  Germany surprised me as they usually care about the environment.  The reason given was that people felt that compact fluorescent lamps (CFLs), which use a fifth of the energy needed for a conventional bulb, give off a sickly light.  Aw diddums.)